SWITCH (Built into the front passenger's INSTALLATION or REAR POWER WINDOW
power window switch)
SWITCH REMOVAL AND INSTALLATION
TEST
INPUT TEST
Removal and Installation See IMMOBILIZER-KEYLESS
CONTROL UNIT REGISTRATION or IMMOBILIZER-
KEYLESS CONTROL UNIT REMOVAL AND
INSTALLATION
IMMOBILIZER-KEYLESS CONTROL
UNIT (With built-in receiver)
DOOR LOCK ACTUATOR TEST
DOOR LOCK KNOB SWITCH TEST
DOOR LATCH REMOVAL AND INSTALLATION
INPUT TEST
REMOVAL AND INSTALLATION
DOOR LOCK ACTUATOR TEST
DOOR LOCK KNOB SWITCH TEST
DOOR LATCH REMOVAL AND INSTALLATION
TEST
LEFT REAR DOOR LOCK
ACTUATOR/KNOB SWITCH
MICU (Built into the under-dash
fuse/relay box)
RIGHT REAR DOOR LOCK
ACTUATOR/KNOB SWITCH
SECURITY HOOD SWITCH
TAILGATE LATCH SWITCH
REMOVAL AND INSTALLATION
TEST
REMOVAL AND INSTALLATION
TEST
TAILGATE OUTER HANDLE SWITCH
REMOVAL AND INSTALLATION
TEST
TEST
TAILGATE RELEASE ACTUATOR
TRANSMITTER
AUTO DOOR UNLOCK DOES NOT WORK
Fig. 80: Keyless/Power Door Locks/Security System Symptom Troubleshooting Flow Chart (Auto Door
Unlock; 1 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 81: Keyless/Power Door Locks/Security System Symptom Troubleshooting Flow Chart (Auto Door
Unlock; 2 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 82: Keyless/Power Door Locks/Security System Symptom Troubleshooting Flow Chart (Auto Door
Unlock; 3 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 83: Keyless/Power Door Locks/Security System Symptom Troubleshooting Flow Chart (Auto Door
Unlock; 4 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 84: Keyless/Power Door Locks/Security System Symptom Troubleshooting Flow Chart (Auto Door
Unlock; 5 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 85: Keyless/Power Door Locks/Security System Symptom Troubleshooting Flow Chart (Auto Door
Unlock; 6 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 86: Keyless/Power Door Locks/Security System Symptom Troubleshooting Flow Chart (Auto Door
Unlock; 7 Of 7)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
ο¬
ο¬
Refer to the Electrical Wiring Diagrams for the location of the under-dash
fuse/relay box connectors.
Before testing, check the No. B8 (15 A), No. B9 (10 A), No. B15 (10 A), No.
B30 (10 A), No. B32 (15 A), No. B33 (15 A), and No. B41 (20 A) fuses in the
under-dash fuse/relay box.
ο¬
There are two pairs of fuses in the same circuit (No. B8 and No. B32 fuses,
No. B9 and No. B33 fuses, No. B15 and No. B30 fuses). If one fuse is
blown, make sure to check the other fuse in the same circuit. If necessary,
replace the blown fuse(s).
1. Abnormal circuit check 1:
ο‘
ο‘
ο‘
1. Connect the HDS to the data link connector (DLC) See HOW TO TROUBLESHOOT THE
A/T SYSTEM or HOW TO TROUBLESHOOT THE FUEL AND EMISSIONS SYSTEMS .
2. Select DOOR LOCKS from the BODY ELECTRICAL SYSTEM SELECT menu with the HDS,
and enter FUNCTION TESTS.
3. Select UNLOCK ALL DOORS with the HDS.
Do the door lock actuators work normally?
YES : Go to step 22.
NO : Driver's door lock circuit: go to step 2.
NO : Front passenger's door lock circuit: go to step 7.
NO : Left rear door lock circuit: go to step 12.
NO : Right rear door lock circuit: go to step 17.
2. Open wire check (+B F/BOX MAIN line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Measure the voltage between test points 1 and 2 individually.
Test condition IG LOCK (0)
Test circuit +B F/BOX MAIN
Test point 1 Under-dash fuse/relay box connector D (32P) No. 2 (BLU)
Test point 2 Body ground
Fig. 87: Measuring Voltage Between Under-Dash Fuse/Relay Box Connector D (32P) No. 2
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : The +B F/BOX MAIN wire is OK. Go to step 3.
NO : Repair an open or high resistance in the wire.
3. Open wire check (GND line):
ο‘
1. Disconnect the following connector.
Under-dash fuse/relay box connector R (8P)
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Under-dash fuse/relay box connector R (8P): disconnected
Test circuit GND
Test point 1 Under-dash fuse/relay box connector R (8P) No. 7 (BLK)
Test point 2 Body ground
Fig. 88: Checking Continuity Between Under-Dash Fuse/Relay Box Connector R (8P) No. 7
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. Go to step 4.
NO : Repair an open or high resistance in the ground wire or poor ground (G501).
4. Determine possible failure area (door latch, others):
ο‘
ο‘
1. Disconnect the following connector.
Driver's door latch 10P connector
2. TEST THE DOOR LOCK ACTUATOR.
Is the door lock actuator OK?
YES : Go to step 5.
NO : Faulty door lock actuator; REPLACE THE DOOR LATCH .
5. Open wire check (DR DOOR UNLOCK line):
ο‘
1. Disconnect the following connector.
Under-dash fuse/relay box connector N (13P)
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Under-dash fuse/relay box connector R (8P): disconnected
Driver's door latch 10P connector: disconnected
Under-dash fuse/relay box connector N (13P): disconnected
Test circuit DR DOOR UNLOCK
Test point 1 Under-dash fuse/relay box connector N (13P) No. 12 (GRY)
Test point 2 Driver's door latch 10P connector No. 1 (BLK)
Fig. 89: Checking Continuity Between Under-Dash Fuse/Relay Box Connector N (13P) No. 12
And Driver Door Latch 10P Connector No. 1
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The DR DOOR UNLOCK wire is OK. Go to step 6.
NO : Repair an open or high resistance in the wire.
6. Open wire check (DR DOOR LOCK line):
ο‘
1. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Under-dash fuse/relay box connector R (8P): disconnected
Driver's door latch 10P connector: disconnected
Under-dash fuse/relay box connector N (13P): disconnected
Test circuit DR DOOR LOCK
Test point 1 Under-dash fuse/relay box connector N (13P) No. 10 (PNK)
Test point 2 Driver's door latch 10P connector No. 4 (PNK)
Fig. 90: Checking Continuity Between Under-Dash Fuse/Relay Box Connector N (13P) No. 10
And Driver Door Latch 10P Connector No. 4
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The DR DOOR LOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
NO : Repair an open or high resistance in the wire.
7. Open wire check (+B F/BOX MAIN line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Measure the voltage between test points 1 and 2 individually.
Test condition IG LOCK (0)
Test circuit +B F/BOX MAIN
Test point 1 Under-dash fuse/relay box connector D (32P) No. 2 (BLU)
Test point 2 Body ground
Fig. 91: Measuring Voltage Between Under-Dash Fuse/Relay Box Connector D (32P) No. 2
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : The +B F/BOX MAIN wire is OK. Go to step 8.
NO : Repair an open or high resistance in the wire.
8. Open wire check (GND line):
ο‘
1. Disconnect the following connector.
Under-dash fuse/relay box connector R (8P)
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Under-dash fuse/relay box connector R (8P): disconnected
Test circuit GND
Test point 1 Under-dash fuse/relay box connector R (8P) No. 7 (BLK)
Test point 2 Body ground
Fig. 92: Checking Continuity Between Under-Dash Fuse/Relay Box Connector R (8P) No. 7
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. Go to step 9.
NO : Repair an open or high resistance in the ground wire or poor ground (G501).
9. Determine possible failure area (door latch, others):
ο‘
ο‘
1. Disconnect the following connector.
Front passenger's door latch 10P connector
2. TEST THE DOOR LOCK ACTUATOR.
Is the door lock actuator OK?
YES : Go to step 10.
NO : Faulty door lock actuator; REPLACE THE DOOR LATCH .
10. Open wire check (AS SIDE D/L UNLOCK line):
ο‘
1. Disconnect the following connector.
Under-dash fuse/relay box connector S (10P)
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Under-dash fuse/relay box connector R (8P): disconnected
Front passenger's door latch 10P connector: disconnected
Under-dash fuse/relay box connector S (10P): disconnected
Test circuit AS SIDE D/L UNLOCK
Test point 1 Under-dash fuse/relay box connector S (10P) No. 1 (YEL)
Test point 2 Front passenger's door latch 10P connector No. 1 (BLK)
Fig. 93: Checking Continuity Between Under-Dash Fuse/Relay Box Connector N (10P) No. 1
And Front Passenger Door Latch 10P Connector No. 1
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The AS SIDE D/L UNLOCK wire is OK. Go to step 11.
NO : Repair an open or high resistance in the wire.
11. Open wire check (AS SIDE D/L LOCK line):
ο‘
1. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Under-dash fuse/relay box connector R (8P): disconnected
Front passenger's door latch 10P connector: disconnected
Under-dash fuse/relay box connector S (10P): disconnected
Test circuit AS SIDE D/L LOCK
Test point 1 Under-dash fuse/relay box connector S (10P) No. 3 (RED)
Test point 2 Front passenger's door latch 10P connector No. 4 (RED)
Fig. 94: Checking Continuity Between Under-Dash Fuse/Relay Box Connector N (10P) No. 3
And Front Passenger Door Latch 10P Connector No. 4
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The AS SIDE D/L LOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
NO : Repair an open or high resistance in the wire.
12. Open wire check (+B F/BOX MAIN line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Measure the voltage between test points 1 and 2 individually.
Test condition IG LOCK (0)
Test circuit +B F/BOX MAIN
Test point 1 Under-dash fuse/relay box connector D (32P) No. 2 (BLU)
Test point 2 Body ground
Fig. 95: Measuring Voltage Between Under-Dash Fuse/Relay Box Connector D (32P) No. 2
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : The +B F/BOX MAIN wire is OK. Go to step 13.
NO : Repair an open or high resistance in the wire.
13. Open wire check (GND line):
ο‘
1. Disconnect the following connector.
Under-dash fuse/relay box connector R (8P)
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Under-dash fuse/relay box connector R (8P): disconnected
Test circuit GND
Test point 1 Under-dash fuse/relay box connector R (8P) No. 7 (BLK)
Test point 2 Body ground
Fig. 96: Checking Continuity Between Under-Dash Fuse/Relay Box Connector R (8P) No. 7
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. Go to step 14.
NO : Repair an open or high resistance in the ground wire or poor ground (G501).
14. Determine possible failure area (door latch, others):
ο‘
ο‘
1. Disconnect the following connector.
Left rear door latch 10P connector
2. TEST THE DOOR LOCK ACTUATOR.
Is the door lock actuator OK?
YES : Go to step 15.
NO : Faulty door lock actuator; REPLACE THE DOOR LATCH .
15. Open wire check (DR SIDE D/L UNLOCK line):
ο‘
1. Disconnect the following connector.
Under-dash fuse/relay box connector B (44P)
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Under-dash fuse/relay box connector R (8P): disconnected
Left rear door latch 10P connector: disconnected
Under-dash fuse/relay box connector B (44P): disconnected
Test circuit DR SIDE D/L UNLOCK
Test point 1 Under-dash fuse/relay box connector B (44P) No. 11 (PUR)
Test point 2 Left rear door latch 10P connector No. 1 (PUR)
Fig. 97: Checking Continuity Between Under-Dash Fuse/Relay Box Connector B (44P) No. 11
And Left Rear Door Latch 10P Connector No. 1
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The DR SIDE D/L UNLOCK wire is OK. Go to step 16.
NO : Repair an open or high resistance in the wire.
16. Open wire check (DR SIDE D/L LOCK line):
ο‘
1. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Under-dash fuse/relay box connector R (8P): disconnected
Left rear door latch 10P connector: disconnected
Under-dash fuse/relay box connector B (44P): disconnected
Test circuit DR SIDE D/L LOCK
Test point 1 Under-dash fuse/relay box connector B (44P) No. 16 (PNK)
Test point 2 Left rear door latch 10P connector No. 4 (YEL)
Fig. 98: Checking Continuity Between Under-Dash Fuse/Relay Box Connector B (44P) No. 16
And Left Rear Door Latch 10P Connector No. 4
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The DR SIDE D/L LOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
NO : Repair an open or high resistance in the wire.
17. Open wire check (+B F/BOX MAIN line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Measure the voltage between test points 1 and 2 individually.
Test condition IG LOCK (0)
Test circuit +B F/BOX MAIN
Test point 1 Under-dash fuse/relay box connector D (32P) No. 2 (BLU)
Test point 2 Body ground
Fig. 99: Measuring Voltage Between Under-Dash Fuse/Relay Box Connector D (32P) No. 2
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : The +B F/BOX MAIN wire is OK. Go to step 18.
NO : Repair an open or high resistance in the wire.
18. Open wire check (GND line):
ο‘
1. Disconnect the following connector.
Under-dash fuse/relay box connector R (8P)
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Under-dash fuse/relay box connector R (8P): disconnected
Test circuit GND
Test point 1 Under-dash fuse/relay box connector R (8P) No. 7 (BLK)
Test point 2 Body ground
Fig. 100: Checking Continuity Between Under-Dash Fuse/Relay Box Connector D (8P) No. 7
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. Go to step 19.
NO : Repair an open or high resistance in the ground wire or poor ground (G501).
19. Determine possible failure area (door latch, others):
ο‘
ο‘
1. Disconnect the following connector.
Right rear door latch 10P connector
2. TEST THE DOOR LOCK ACTUATOR.
Is the door lock actuator OK?
YES : Go to step 20.
NO : Faulty door lock actuator; REPLACE THE DOOR LATCH .
20. Open wire check (AS SIDE D/L UNLOCK line):
ο‘
1. Disconnect the following connector.
Under-dash fuse/relay box connector B (44P)
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Under-dash fuse/relay box connector R (8P): disconnected
Right rear door latch 10P connector: disconnected
Under-dash fuse/relay box connector B (44P): disconnected
Test circuit AS SIDE D/L UNLOCK
Test point 1 Under-dash fuse/relay box connector B (44P) No. 9 (YEL)
Test point 2 Right rear door latch 10P connector No. 1 (YEL)
Fig. 101: Checking Continuity Between Under-Dash Fuse/Relay Box Connector B (44P) No. 9
And Right Rear Door Latch 10P Connector No. 1
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The AS SIDE D/L UNLOCK wire is OK. Go to step 21.
NO : Repair an open or high resistance in the wire.
21. Open wire check (AS SIDE D/L LOCK line):
ο‘
1. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Under-dash fuse/relay box connector R (8P): disconnected
Right rear door latch 10P connector: disconnected
Under-dash fuse/relay box connector B (44P): disconnected
Test circuit AS SIDE D/L LOCK
Test point 1 Under-dash fuse/relay box connector B (44P) No. 18 (LT GRN)
Test point 2 Right rear door latch 10P connector No. 4 (PNK)
Fig. 102: Checking Continuity Between Under-Dash Fuse/Relay Box Connector B (44P) No.
18 And Right Rear Door Latch 10P Connector No. 4
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The AS SIDE D/L LOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
NO : Repair an open or high resistance in the wire.
22. Abnormal circuit check 2:
ο‘
1. Check the parameter(s) below with the HDS when each switch is operating.
Current conditions
Signal
Value
Unit
A/T Gear Position Switch (P)
Driver's Door Lock Knob Switch (UNLOCK)
Front Passenger's Door Lock Knob Sw. (UNLOCK)
Driver's Rear Door Lock Knob Switch (UNLOCK)
Passenger's Rear Door Lock Knob Sw. (UNLOCK)
Is each switch information OK?
YES : Faulty MICU; REPLACE THE UNDER-DASH FUSE/RELAY BOX .
NO : Transmission range switch P position circuit troubleshooting: go to step 23.
NO : Driver's door lock knob switch circuit troubleshooting: go to step 29.
NO : Front passenger's door lock knob switch circuit troubleshooting: go to step 35.
NO : Left rear door lock knob switch circuit troubleshooting: go to step 41.
NO : Right rear door lock knob switch circuit troubleshooting: go to step 47.
23. Keyless/power door locks/security system check 1:
ο‘
1. With the transmission range switch in P position, check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
A/T Gear Position Switch (P)
Is information indicator ON?
YES : Go to step 24.
NO : Go to step 26.
24. Determine possible failure area (transmission range switch, others):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Transmission range switch 10P connector
ο‘
3. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
A/T Gear Position Switch (P)
Is information indicator OFF?
YES : REPLACE THE TRANSMISSION RANGE SWITCH .
NO : Go to step 25.
25. Shorted wire check (ATP-P line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
ο‘
2. Disconnect the following connector.
Under-dash fuse/relay box connector D (32P)
3. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Disconnect the transmission range switch 10P connector: disconnected
Under-dash fuse/relay box connector D (32P): disconnected
Test circuit ATP-P
Test point 1 Under-dash fuse/relay box connector D (32P) No. 22 (YEL)
Test point 2 Body ground
Fig. 103: Checking Continuity Under-Dash Fuse/Relay Box Connector D (32P) No. 22 And
Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short to ground in the wire.
NO : The ATP-P wire is OK. Faulty MICU; REPLACE THE UNDER-DASH FUSE/RELAY BOX .
26. Keyless/power door locks/security system check 2:
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
Transmission range switch 10P connector
ο‘
3. Connect terminals A and B with a jumper wire.
Terminal A Transmission range switch 10P connector No. 10 (BLK/BLU)
Terminal B Body ground
Fig. 104: Connecting Jumper Wire Between Transmission Range Switch 10P Connector No.
10 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
4. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
A/T Gear Position Switch (P)
Is information indicator ON?
YES : Go to step 27.
NO : Go to step 28.
27. Open wire check (GND line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Transmission range switch 10P connector: disconnected
Test circuit GND
Test point 1 Transmission range switch 10P connector No. 6 (BLK)
Test point 2 Body ground
Fig. 105: Checking Continuity Between Transmission Range Switch 10P Connector No. 6
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. REPLACE THE TRANSMISSION RANGE SWITCH .
NO : Repair an open or high resistance in the ground wire or poor ground (G101).
28. Open wire check (ATP-P line):
ο‘
1. Connect terminals A and B with a jumper wire.
Terminal A Under-dash fuse/relay box connector D (32P) No. 22 (YEL)
Terminal B Body ground
Fig. 106: Connecting Jumper Wire Between Under-Dash Fuse/Relay Box Connector D (32P)
No. 22 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
2. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
A/T Gear Position Switch (P)
Is information indicator ON?
YES : Repair an open or high resistance in the wire.
NO : The ATP-P wire is OK. Faulty MICU; REPLACE THE UNDER-DASH FUSE/RELAY BOX .
29. Keyless/power door locks/security system check 1:
ο‘
1. With the driver's door lock knob switch in LOCK position, check the parameter(s) below with
the HDS.
Current conditions
Signal
Value
Unit
Driver's Door Lock Knob Switch (UNLOCK)
Is information indicator ON?
YES : Go to step 30.
NO : Go to step 32.
30. Determine possible failure area (driver's door latch, others):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Driver's door latch 10P connector
ο‘
3. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
Driver's Door Lock Knob Switch (UNLOCK)
Is information indicator OFF?
YES : Faulty driver's door lock knob switch; REPLACE THE DRIVER'S DOOR LATCH .
NO : Go to step 31.
31. Shorted wire check (DR SILCON UNLOCK line):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Under-dash fuse/relay box connector X (10P)
3. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Driver's door latch 10P connector: disconnected
Under-dash fuse/relay box connector X (10P): disconnected
Test circuit DR SILCON UNLOCK
Test point 1 Under-dash fuse/relay box connector X (10P) No. 4 (WHT)
Test point 2 Body ground
Fig. 107: Checking Continuity Between Terminals Under-Dash Fuse/Relay Box Connector X
(10P) No. 4 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short to ground in the wire.
NO : The DR SILCON UNLOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
32. Keyless/power door locks/security system check 2:
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Driver's door latch 10P connector
ο‘
3. Connect terminals A and B with a jumper wire.
Terminal A Driver's door latch 10P connector No. 5 (WHT)
Terminal B Body ground
Fig. 108: Connecting Jumper Wire Between Driver Door Latch 10P Connector No. 5 And
Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
4. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
Driver's Door Lock Knob Switch (UNLOCK)
Is information indicator ON?
YES : Go to step 33.
NO : Go to step 34.
33. Open wire check (GND line):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Check for continuity between test points 1 and 2.
ο‘
Test condition IG LOCK (0)
Driver's door latch 10P connector: disconnected
Test circuit GND
Test point 1 Driver's door latch 10P connector No. 7 (BLK)
Test point 2 Body ground
Fig. 109: Checking Continuity Between Driver Door Latch 10P Connector No. 7 And Body
Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. Faulty driver's door lock knob switch; REPLACE THE DRIVER'S
DOOR LATCH .
NO : Repair an open or high resistance in the wire or poor ground (G501).
34. Open wire check (DR SILCON UNLOCK line):
ο‘
1. Connect terminals A and B with a jumper wire.
Terminal A Under-dash fuse/relay box connector X (10P) No. 4 (WHT)
Terminal B Body ground
Fig. 110: Connecting Jumper Wire Between Under-Dash Fuse/Relay Box Connector X (10P)
No. 4 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
2. Check the parameter(s) below with the HDS.
Current conditions
Value Unit
Signal
Driver's Door Lock Knob Switch (UNLOCK)
Is information indicator ON?
YES : Repair an open or high resistance in the wire.
NO : The DR SILCON UNLOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
35. Keyless/power door locks/security system check 1:
ο‘
1. With the front passenger's door lock knob switch in LOCK position, check the parameter(s)
below with the HDS.
Current conditions
Signal
Value
Unit
Front Passenger's Door Lock Knob Sw. (UNLOCK)
Is information indicator ON?
YES : Go to step 36.
NO : Go to step 38.
36. Determine possible failure area (front passenger's door latch, others):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Front passenger's door latch 10P connector
ο‘
3. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
Front Passenger's Door Lock Knob Sw. (UNLOCK)
Is information indicator OFF?
YES : Faulty front passenger's door lock knob switch; REPLACE THE FRONT PASSENGER'S
DOOR LATCH .
NO : Go to step 37.
37. Shorted wire check (AS SILCON UNLOCK line):
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
Under-dash fuse/relay box connector W (24P)
3. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
ο‘
Front passenger's door latch 10P connector: disconnected
Under-dash fuse/relay box connector W (24P): disconnected
Test circuit AS SILCON UNLOCK
Test point 1 Under-dash fuse/relay box connector W (24P) No. 10 (LT BLU)
Test point 2 Body ground
Fig. 111: Checking Continuity Between Under-Dash Fuse/Relay Box Connector W (24P) No.
10 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short to ground in the wire.
NO : The AS SILCON UNLOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
38. Keyless/power door locks/security system check 2:
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Front passenger's door latch 10P connector
ο‘
3. Connect terminals A and B with a jumper wire.
Terminal A Front passenger's door latch 10P connector No. 10 (LT BLU)
Terminal B Body ground
Fig. 112: Connecting Jumper Wire Between Front Passenger Door Latch 10P Connector No.
10 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
4. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
Front Passenger's Door Lock Knob Sw. (UNLOCK)
Is information indicator ON?
YES : Go to step 39.
NO : Go to step 40.
39. Open wire check (GND line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Front passenger's door latch 10P connector: disconnected
Test circuit GND
Test point 1 Front passenger's door latch 10P connector No. 8 (BLK)
Test point 2 Body ground
Fig. 113: Checking Continuity Between Front Passenger Door Latch 10P Connector No. 8
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. Faulty front passenger's door lock knob switch; REPLACE THE FRONT
PASSENGER'S DOOR LATCH .
NO : Repair an open or high resistance in the ground wire or poor ground (G503).
40. Open wire check (AS SILCON UNLOCK line):
ο‘
1. Connect terminals A and B with a jumper wire.
Terminal A Under-dash fuse/relay box connector W (24P) No. 10 (LT BLU)
Terminal B Body ground
Fig. 114: Connecting Jumper Wire Between Under-Dash Fuse/Relay Box Connector W (24P)
No. 10 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
2. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
Front Passenger's Door Lock Knob Sw. (UNLOCK)
Is information indicator ON?
YES : Repair an open or high resistance in the wire.
NO : The AS SILCON UNLOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
41. Keyless/power door locks/security system check 1:
ο‘
1. With the left rear door lock knob switch in LOCK position, check the parameter(s) below with
the HDS.
Current conditions
Signal
Value
Unit
Driver's Rear Door Lock Knob Switch (UNLOCK)
Is information indicator ON?
YES : Go to step 42.
NO : Go to step 44.
42. Determine possible failure area (left rear door latch, others):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Left rear door latch 10P connector
ο‘
3. Check the parameter(s) below with the HDS.
Current conditions
Value Unit
Signal
Driver's Rear Door Lock Knob Switch (UNLOCK)
Is information indicator OFF?
YES : Faulty left rear door lock knob switch; REPLACE THE LEFT REAR DOOR LATCH .
NO : Go to step 43.
43. Shorted wire check (RR DR SILCON UNLOCK line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
ο‘
2. Disconnect the following connector.
Under-dash fuse/relay box connector W (24P)
3. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Left rear door latch 10P connector: disconnected
Under-dash fuse/relay box connector W (24P): disconnected
Test circuit RR DR SILCON UNLOCK
Test point 1 Under-dash fuse/relay box connector W (24P) No. 5 (BLU)
Test point 2 Body ground
Fig. 115: Checking Continuity Between Under-Dash Fuse/Relay Box Connector W (24P) No.
5 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short to ground in the wire.
NO : The RR DR SILCON UNLOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
44. Keyless/power door locks/security system check 2:
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Left rear door latch 10P connector
ο‘
3. Connect terminals A and B with a jumper wire.
Terminal A Left rear door latch 10P connector No. 9 (PUR)
Terminal B Body ground
Fig. 116: Connecting Jumper Wire Between Left Rear Door Latch 10P Connector No. 9 And
Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
4. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
Driver's Rear Door Lock Knob Switch (UNLOCK)
Is information indicator ON?
YES : Go to step 45.
NO : Go to step 46.
45. Open wire check (GND line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Left rear door latch 10P connector: disconnected
Test circuit GND
Test point 1 Left rear door latch 10P connector No. 6 (BLK)
Test point 2 Body ground
Fig. 117: Checking Continuity Between Left Rear Door Latch 10P Connector No. 6 And Body
Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. Faulty left rear door lock knob switch; REPLACE THE LEFT REAR
DOOR LATCH .
NO : Repair an open or high resistance in the ground wire or poor ground (G601).
46. Open wire check (RR DR SILCON UNLOCK line):
ο‘
1. Connect terminals A and B with a jumper wire.
Terminal A Under-dash fuse/relay box connector W (24P) No. 5 (BLU)
Terminal B Body ground
Fig. 118: Connecting Jumper Wire Between Under-Dash Fuse/Relay Box Connector W (24P)
No. 5 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
2. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
Driver's Rear Door Lock Knob Switch (UNLOCK)
Is information indicator ON?
YES : Repair an open or high resistance in the wire.
NO : The RR DR SILCON UNLOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
47. Keyless/power door locks/security system check 1:
ο‘
1. With the right rear door lock knob switch in LOCK position, check the parameter(s) below with
the HDS.
Current conditions
Signal
Value
Unit
Passenger's Rear Door Lock Knob Sw. (UNLOCK)
Is information indicator ON?
YES : Go to step 48.
NO : Go to step 50.
48. Determine possible failure area (right rear door latch, others):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Right rear door latch 10P connector
ο‘
3. Check the parameter(s) below with the HDS.
Current conditions
Value Unit
Signal
Passenger's Rear Door Lock Knob Sw. (UNLOCK)
Is information indicator OFF?
YES : Faulty right rear door lock knob switch; REPLACE THE RIGHT REAR DOOR LATCH .
NO : Go to step 49.
49. Shorted wire check (RR AS SILCON UNLOCK line):
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
ο‘
2. Disconnect the following connector.
Under-dash fuse/relay box connector W (24P)
3. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Right rear door latch 10P connector: disconnected
Under-dash fuse/relay box connector W (24P): disconnected
Test circuit RR AS SILCON UNLOCK
Test point 1 Under-dash fuse/relay box connector W (24P) No. 4 (ORN)
Test point 2 Body ground
Fig. 119: Checking Continuity Between Under-Dash Fuse/Relay Box Connector W (24P) No.
4 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short to ground in the wire.
NO : The RR AS SILCON UNLOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
50. Keyless/power door locks/security system check 2:
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Right rear door latch 10P connector
ο‘
3. Connect terminals A and B with a jumper wire.
Terminal A Right rear door latch 10P connector No. 6 (LT BLU)
Terminal B Body ground
Fig. 120: Connecting Jumper Wire Between Right Rear Door Latch 10P Connector No. 6
And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
4. Check the parameter(s) below with the HDS.
Signal
Current conditions
Value
Passenger's Rear Door Lock Knob Sw. (UNLOCK)
Unit
Is information indicator ON?
YES : Go to step 51.
NO : Go to step 52.
51. Open wire check (GND line) 3:
ο‘
1. Turn the ignition switch to LOCK (0).
ο‘
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Right rear door latch 10P connector: disconnected
Test circuit GND
Test point 1 Right rear door latch 10P connector No. 9 (BLK)
Test point 2 Body ground
Fig. 121: Checking Continuity Between Right Rear Door Latch 10P Connector No. 9 And
Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. Faulty right rear door lock knob switch; REPLACE THE RIGHT REAR
DOOR LATCH .
NO : Repair an open or high resistance in the ground wire or poor ground (G604).
52. Open wire check (RR AS SILCON UNLOCK line):
ο‘
1. Connect terminals A and B with a jumper wire.
Terminal A Under-dash fuse/relay box connector W (24P) No. 4 (ORN)
Terminal B Body ground
Fig. 122: Connecting Jumper Wire Between Under-Dash Fuse/Relay Box Connector W (24P)
No. 4 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
2. Check the parameter(s) below with the HDS.
Current conditions
Signal
Value
Unit
Passenger's Rear Door Lock Knob Sw. (UNLOCK)
Is information indicator ON?
YES : Repair an open or high resistance in the wire.
NO : The RR AS SILCON UNLOCK wire is OK. Faulty MICU; REPLACE THE UNDER-DASH
FUSE/RELAY BOX .
DOORS AUTOMATICALLY RELOCK 30 SECONDS AFTER BEING
UNLOCKED WITH THE TRANSMITTER EVEN THOUGH A DOOR HAS BEEN
OPENED
Fig. 123: Keyless/Power Door Locks/Security System Symptom Troubleshooting Flowchart
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated,
troubleshoot the indicated DTC first.
1. Determine possible failure area (MICU, others):
ο‘
1. Move the interior light switch to the DOOR position.
2. Turn the ignition switch to LOCK (0).
ο‘
2024 Honda CR-V Owner's Manual
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