Test point 1 Multi-information display unit connector A (32P) No. 31 (PNK)
Test point 2 Gauge control module 32P connector No. 30 (PNK)
Test circuit B CAN-L
Test point 1 Multi-information display unit connector A (32P) No. 15 (BLU)
Test point 2 Gauge control module 32P connector No. 31 (BLU)
Fig. 113: Checking For Continuity Between Test Point Multi-Information Display Unit
Connector A (32P) No. 15 (BLU) And Gauge Control Module 32P Connector No. 31 (BLU)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : REPLACE THE MULTI-INFORMATION DISPLAY UNIT .
NO : Repair an open in the wire(s) between the multi-information display unit and the gauge control
module.
NO SOUND IS HEARD FROM THE SPEAKER(S) (DISPLAY IS NORMAL) (KA, KC MODELS
WITH NAVIGATION)
Fig. 114: Audio System Symptom Troubleshooting Flowchart - No Sound Is Heard From Speaker(s)
[Display Is Normal] (1 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 115: Audio System Symptom Troubleshooting Flowchart - No Sound Is Heard From Speaker(s)
[Display Is Normal] (2 Of 2)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE:
ο¬
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CHECK THE VEHICLE BATTERY CONDITION FIRST .
Set the fader and the balance positions to the center.
Before doing this troubleshooting, go to AUDIO-NAVIGATION UNIT
POWER SWITCH WILL NOT TURN ON (NO AUDIO INFORMATION DISPLAY
AND NO SOUND) TROUBLESHOOTING.
ο¬
Check the connectors for poor connections or loose terminals.
1. Problem verification:
ο‘
1. Turn the ignition switch to ON (II).
2. Turn on the audio system, and check for sound in each mode (AM/FM, USB, XM, and CD).
ο‘
Is the sound OK in each mode?
YES : Intermittent failure, the system is OK at this time. Check for loose connections at the audio-
navigation unit and speaker(s).
NO : The failure is duplicated in all modes, go to step 2.
NO : Go to Poor AM or FM radio reception or interference (With Navigation) troubleshooting.
NO : Go to Poor AM or FM radio reception or interference (without navigation) troubleshooting.
NO : Go to USB INPUT SOUND IS LOW OR CANNOT BE HEARD TROUBLESHOOTING.
NO : Go to POOR OR NO SOUND WITH XM RADIO (AUDIO-NAVIGATION UNIT DOES
DISPLAY XM CHANNELS) TROUBLESHOOTING.
NO : Go to AUDIO DISC DOES NOT PLAY TROUBLESHOOTING.
2. Determine possible failure area (volume level, others):
ο‘
1. Check that the volume knob is not set to the MIN level.
Is it at the MIN level?
YES : Raise the volume level, and recheck the function.
NO : Go to step 3.
3. Fuse check:
ο‘
1. Turn the ignition switch to LOCK (0).
2. Check the following fuse.
ο‘
Fuse No. A13 (20 A)
Location Under-hood fuse/relay box
Is the fuse OK?
YES : Go to step 4.
NO : Replace the fuse, and recheck. If the fuse blows again, check for a short in the No. A13 (20 A) fuse
circuit.
4. Open wire check (+B AUDIO AMP line):
ο‘
1. Measure the voltage between test points 1 and 2.
Test condition IG LOCK (0)
Test circuit +B AUDIO AMP
Test point 1 Stereo amplifier connector A (18P) No. 3 (RED)
Test point 2 Body ground
Fig. 116: Measuring Voltage Between Test Point Stereo Amplifier Connector A (18P) No. 3
(RED) And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : The +B AUDIO AMP wire is OK. Go to step 5.
NO : Repair an open or high resistance in the wire between the No. A13 (20 A) fuse in the under-hood
fuse/relay box and the stereo amplifier.
5. Determine possible failure area (SWD +B line, others):
ο‘
1. Turn the ignition switch to ON (II).
ο‘
2. Measure the voltage between test points 1 and 2.
Test condition IG ON (II)
Test circuit SWD +B
Test point 1 Stereo amplifier connector B (24P) No. 13 (RED)
Test point 2 Body ground
Fig. 117: Measuring Resistance Between Test Point Stereo Amplifier Connector B (24P) No.
13 (RED) And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : Go to step 7.
NO : Go to step 6.
6. Open wire check (SWD +B line):
ο‘
1. Measure the voltage between test points 1 and 2.
Test condition IG ON (II)
Test circuit SWD +B
Test point 1 Audio-navigation unit connector A (24P) No. 21 (RED)
Test point 2 Body ground
Fig. 118: Measuring Voltage Between Test Point Audio-Navigation Unit Connector A (24P)
No. 21 (RED) And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there battery voltage?
YES : Repair an open or high resistance in the wire between the stereo amplifier and the audio-navigation
unit.
NO : REPLACE THE AUDIO-NAVIGATION UNIT .
7. Open wire check (GND line):
ο‘
1. Measure the voltage between test points 1 and 2.
Test condition IG ON (II)
Test circuit GND
Test point 1 Stereo amplifier connector A (18P) No. 1 (BLK)
Test point 2 Body ground
Fig. 119: Measuring Voltage Between Test Point Stereo Amplifier Connector A (18P) No. 1
(BLK) And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there less than 0.2 V?
YES : The GND wire is OK. Go to step 8.
NO : Repair an open or high resistance in the wire between the stereo amplifier and body ground (G503).
8. Shorted wire check (SPKR lines, TWEETER lines, SUB WOOFER lines):
ο‘
1. Turn the ignition switch to LOCK (0).
2. Disconnect the following connector.
ο‘
Stereo amplifier connector A (18P)
ο‘
3. Check for continuity between these test points and body ground individually.
Test condition IG LOCK (0)
Stereo amplifier connector A (18P): disconnected
Connector
Test circuit
FL SPKR+ No. 13 (WHT)
FL SPKR- No. 6 (BLK)
Terminal
FL TWEETER+ No. 12 (PUR)
FL TWEETER- No. 5 (PNK)
FR SPKR+
No. 14 (RED)
FR SPKR-
No. 7 (GRN)
FR TWEETER+ No. 15 (RED)
FR TWEETER- No. 8 (BLU)
RL SPKR+
No. 16 (BLU)
No. 9 (PNK)
Stereo amplifier connector A (18P) RL SPKR-
RR SPKR+ No. 17 (BLU)
RR SPKR- No. 10 (PNK)
SUB WOOFER+ No. 4 (GRN)
SUB WOOFER- No. 2 (BLK)
Fig. 120: Identifying Stereo Amplifier Connector A (18P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : Repair a short to body ground in the wire(s) between the audio unit and the speaker(s).
NO : The SPKR, the TWEETER, and the SUB WOOFER wires are not shorted to ground. Go to step 9.
9. Determine possible failure area (speaker, others) 1:
ο‘
1. Check the speaker(s) with no sound for any damage.
Is there any damage?
YES : REPLACE THE FAULTY SPEAKER(S) .
NO : Go to step 10.
10. Determine possible failure area (speaker, others) 2:
ο‘
1. Disconnect the following connector(s).
Front door speaker 2P connector
Rear door speaker 2P connector
Tweeter 2P connector
Subwoofer 2P connector
2. TEST THE SPEAKER(S) .
ο‘
Is the speaker(s) OK?
YES : Go to step 11.
NO : REPLACE THE FAULTY SPEAKER(S) .
11. Open wire check (SPKR lines, SUB WOOFER lines):
ο‘
ο‘
1. Reconnect the front door speaker 2P connector(s), the rear door speaker 2P connector(s), and the
subwoofer 2P connector.
2. Measure the resistance between test points 1 and 2.
Test condition IG LOCK (0)
Stereo amplifier connector A (18P): disconnected
Test point 1: Stereo
amplifier connector A (18P) amplifier connector A (18P)
Test point 2: Stereo
Test circuits
Resistance
About 4
ohms
About 4
ohms
About 4
ohms
About 4
ohms
FL SPKR+, FL SPKR-
FR SPKR+, FR SPKR-
RL SPKR+, RL SPKR-
No. 13 (WHT)
No. 14 (RED)
No. 16 (BLU)
No. 17 (BLU)
No. 4 (GRN)
No. 6 (BLK)
No. 7 (GRN)
No. 9 (PNK)
No. 10 (PNK)
No. 2 (BLK)
RR SPKR+, RR
SPKR-
SUB WOOFER+, SUB
WOOFER-
About 2
ohms
Fig. 121: Identifying Stereo Amplifier Connector A (18P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is the resistance OK?
YES : The SPKR and the SUB WOOFER wires are OK. Go to step 12.
NO : Repair an open in the wire(s) between the audio unit and the speaker(s).
12. Open wire check (TWEETER lines):
ο‘
1. Connect terminals A and B with jumper wires.
Terminal A Stereo amplifier connector A (18P) No. 5 (PNK)
Terminal B Stereo amplifier connector A (18P) No. 12 (PUR)
Terminal A Stereo amplifier connector A (18P) No. 8 (BLU)
Terminal B Stereo amplifier connector A (18P) No. 15 (RED)
Fig. 122: Connecting Terminals Stereo Amplifier Connector A (18P) No. 5 (PNK) And No. 12
(PUR) With Jumper Wires
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 123: Connecting Terminals Stereo Amplifier Connector A (18P) No. 8 (BLU) And No. 15
(RED) With Jumper Wires
Courtesy of AMERICAN HONDA MOTOR CO., INC.
ο‘
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Stereo amplifier connector A (18P): disconnected
Left (Right) front door speaker 2P connector: disconnected
Left (Right) tweeter 2P connector: disconnected
Stereo amplifier connector A (18P) terminals No. 5 and No. 12: jumped
Stereo amplifier connector A (18P) terminals No. 8 and No. 15: jumped
Test circuit FL TWEETER+, FL TWEETER-
Test point 1 Left tweeter 2P connector No. 1 (PNK)
Test point 2 Left tweeter 2P connector No. 2 (PUR)
Test circuit FR TWEETER+, FR TWEETER-
Test point 1 Right tweeter 2P connector No. 1 (BLU)
Test point 2 Right tweeter 2P connector No. 2 (RED)
Fig. 124: Checking For Continuity Between Test Point Left Tweeter 2P Connector No. 1
(PNK) And No. 2 (PUR)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 125: Checking For Continuity Between Test Point Right Tweeter 2P Connector No. 1
(BLU) And No. 2 (RED)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : The TWEETER wires are OK. Go to step 13.
NO : Repair an open in the wire(s) between the stereo amplifier and the tweeter.
13. Open wire check (PRE lines):
1. Disconnect the following connectors.
ο‘
NOTE:
Eject all the discs before disconnecting the audio-navigation unit to
prevent damaging the CD player's load mechanism.
Stereo amplifier connector B (24P)
Audio-navigation unit connector A (24P)
Audio-navigation unit connector E (16P)
ο‘
2. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Left (Right) tweeter 2P connector: disconnected
Stereo amplifier connector A (18P): disconnected
Stereo amplifier connector B (24P): disconnected
Audio-navigation unit connector A (24P): disconnected
Audio-navigation unit connector E (16P): disconnected
Test
circuits
Test point 1: Audio-navigation unit
connector A (24P)
Test point 2: Stereo amplifier
connector B (24P)
FL PRE+
FL PRE
No. 15 (BRN)
No. 16 (YEL)
No. 19 (RED)
No. 20 (GRN)
No. 5 (BLU)
No. 23 (BRN)
No. 11 (YEL)
No. 20 (RED)
No. 8 (GRN)
No. 21 (BLU)
No. 9 (PNK)
18 (LT BLU)
No. 6 (PUR)
FR PRE+
FR PRE
RL PRE+
RL PRE
RR PRE+
RR PRE
No. 6 (PNK)
No. 9 (LT BLU) No.
No. 10 (PUR)
Test
circuits
Test point 1: Audio-navigation unit
connector E (16P)
Test point 2: Stereo amplifier
connector B (24P)
SUB W
PRE+
SUB W
PRE
No. 3 (LT BLU)
No. 11 (PUR)
No. 17 (LT BLU)
No. 5 (PUR)
Fig. 126: Identifying Audio-Navigation Unit Connector A (24P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 127: Identifying Audio-Navigation Unit Connector E (16P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Fig. 128: Identifying Stereo Amplifier Connector B (24P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity
YES : The PRE wires are not open. Go to step 14.
NO : There is an open in the wire(s) between the audio-navigation unit and the stereo amplifier. Replace
the affected shielded harness.
14. Shorted wire check (PRE lines):
ο‘
1. Check for continuity between these test points and body ground individually.
Test condition IG LOCK (0)
Left (Right) tweeter 2P connector: disconnected
Stereo amplifier connector A (18P): disconnected
Stereo amplifier connector B (24P): disconnected
Audio-navigation unit connector A (24P): disconnected
Audio-navigation unit connector E (16P): disconnected
Connector
Test circuits
FL PRE+
FL PRE-
FR PRE+
FR PRE-
Terminal
No. 23 (BRN)
No. 11 (YEL)
No. 20 (RED)
No. 8 (GRN)
RL PRE+
RL PRE-
No. 21 (BLU)
No. 9 (PNK)
RR PRE+ No. 18 (LT BLU)
RR PRE- No. 6 (PUR)
Stereo amplifier connector B (24P)
SUB W PRE+ No. 17 (LT BLU)
SUB W PRE- No. 5 (PUR)
Fig. 129: Identifying Stereo Amplifier Connector B (24P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity?
YES : There is a short to body ground in the wire(s) between the stereo amplifier and the audio-
navigation unit. Replace the affected shielded harness.
NO : The PRE wires are not shorted to ground. Go to step 15.
15. Shorted wire check (SH PRE line to another lines)
ο‘
1. Check for continuity between test points 1 and 2.
Test condition IG LOCK (0)
Left (Right) tweeter 2P connector: disconnected
Stereo amplifier connector A (18P): disconnected
Stereo amplifier connector B (24P): disconnected
Audio-navigation unit connector A (24P): disconnected
Audio-navigation unit connector E (16P): disconnected
Connector: Stereo amplifier connector B (24P)
Test point 1 Test points 2
No. 10 (GRY) No. 23 (BRN), No. 11 (YEL)
No. 7 (GRY) No. 20 (RED), No. 8 (GRN)
Test circuits
SH FL PRE to FL PRE+, FL PRE-
SH FR PRE to FR PRE+, FR PRE-
SH RL PRE to RL PRE+, RL PRE-
SH RR PRE to RR PRE+, RR PRE-
No. 22 (GRY)
No. 19 (GRY) No. 18 (LT BLU), No. 6 (PUR)
No. 21 (BLU), No. 9 (PNK)
SH SUB W to SUB W PRE+, SUB W PRE- No. 4 (GRY) No. 17 (LT BLU), No. 5 (PUR)
Fig. 130: Identifying Stereo Amplifier Connector B (24P)
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Is there continuity between any of the terminals?
YES : There is a short in the wires between the stereo amplifier and the audio-navigation unit. Replace
the affected shielded harness.
NO : The SH PRE wires and the PRE wires are OK. Go to step 16.
16. Audio-navigation unit check:
ο‘
1. SUBSTITUTE A KNOWN-GOOD STEREO AMPLIFIER , and recheck.
Does the symptom go away?
YES : Replace the original stereo amplifier.
NO : REPLACE THE AUDIO-NAVIGATION UNIT .
NO SOUND IS HEARD FROM THE SPEAKER(S) (DISPLAY IS NORMAL) (WITH STEREO
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