NO : Repair an open or high resistance in the wire between the MICU and the door switch/tailgate latch
switch.
3. Open wire check (GND line):
ο‘
1. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Under-dash fuse/relay box connector B (44P): disconnected
Each door switch 1P connector: disconnected
Tailgate latch switch 4P connector: disconnected
Test circuit GND line
Test point 1 Tailgate latch switch 4P connector No. 2 (BLK)
Test point 2 Body ground
Fig. 129: Checking Continuity Between Tailgate Latch Switch 4P Connector No. 2 And Body
Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The GND wire is OK. Faulty tailgate latch switch; REPLACE THE TAILGATE LATCH .
NO : Repair an open or high resistance in the ground wire or poor ground (G603).
DOORS WILL NOT UNLOCK (OR LOCK) WITH THE TRANSMITTER, BUT
WILL UNLOCK (OR LOCK) WITH THE DOOR LOCK SWITCH AND THE
DOOR KEY CYLINDER SWITCH
Fig. 130: 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. Problem verification:
ο‘
ο‘
ο‘
ο‘
1. Turn the ignition switch to LOCK (0).
2. Remove the ignition key from the ignition switch.
3. Close all the doors.
4. Try to lock/unlock the doors with the keyless transmitter.
Do the door lock actuators work normally?
YES : Intermittent failure, the system is OK at this time.
NO : Go to step 2.
2. Determine possible failure area (ignition switch or ignition switch wire, others):
ο‘
1. Open the driver's door.
Does the key-in reminder chime sound?
YES : Check for a short to ground in the KEY_SW wire. If OK, replace the ingition switch.
NO : Go to step 3.
3. Transmitter check:
ο‘
1. DO THE TRANSMITTER TEST.
Is the transmitter OK?
YES : Go to step 4.
NO : Replace the transmitter, then REGISTER THE NEW TRANSMITTER .
4. Under-dash fuse/relay box check (substitution):
ο‘
1. Substitute a known-good under-dash fuse/relay box.
2. Recheck the system.
ο‘
Is the system normal?
YES : REPLACE THE ORIGINAL UNDER-DASH FUSE/RELAY BOX .
NO : Replace the immobilizer-keyless control unit See IMMOBILIZER-KEYLESS CONTROL
UNIT REGISTRATION or IMMOBILIZER-KEYLESS CONTROL UNIT REMOVAL AND
INSTALLATION .
KEYLESS OPERATION DOES NOT WORK (LOCK, UNLOCK, PANIC)
Fig. 131: Keyless/Power Door Locks/Security System Symptom Troubleshooting Flowchart (Keyless Not
Work)
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. Immobilizer system check:
2024 Honda CR-V Owner's Manual
2023 Honda CR-V Owner's Manual
2021 Honda CR-V Owner's Manual
2018 Honda CR-V Owner's Manual
2015 Honda CR-V Owner's Manual
