Honda HR-V: Audio Unit Power Switch Will Not Turn ON (No Information Display And No Sound)
NOTE:
- Check the vehicle 12 volt battery condition first.
- Check the connectors for poor connections or loose terminals.
1. Problem verification:
- Turn the vehicle to the ON mode.
- Press the POWER button on to see if the audio unit turns on.
Does the audio system operate properly, and does the audio sound normal?
YES
Intermittent failure, the system is OK at this time.
NO
The failure is duplicated, go to step 2.
2. Fuse check:
- Turn the vehicle to the OFF (LOCK) mode.
- Check the following fuses.
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Are the fuses OK?
YES
Go to step 3.
NO
Replace the fuse (s), and recheck. If the fuse (s) blows again, check for a short in the No. B22 (10 A) fuse and/or the No. C37 (7.5 A) fuse circuits.
3. Open wire check (+B AUDIO line):
- Disconnect the following connector.
NOTE: Eject all the discs before disconnecting the audio unit to prevent damaging the CD player's load mechanism.
Audio unit connector A (24P)
- Measure the voltage between test points 1 and 2.
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Is there battery voltage?
YES
The +B AUDIO wire is OK. Go to step 4.
NO
Repair an open in the wire between the No. B22 (10 A) fuse in the under-hood fuse/relay box and the audio unit.
3. Open wire check (ACC line):
- Turn the vehicle to the ON mode.
- Measure the voltage between test points 1 and 2.
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Is there battery voltage?
YES
The ACC wire is OK. Go to step 5.
NO
Repair an open in the wire between the No. C37 (7.5 A) fuse in the under-dash fuse/relay box and the audio unit.
5. Open wire check (GND line):
- Turn the vehicle to the OFF (LOCK) mode.
- Check for continuity between test points 1 and 2.
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Is there continuity?
YES
The GND wire is OK. Go to step 6.
NO
Repair an open or high resistance in the wire between the audio unit and body ground (G404).
6. Audio unit check (substitution):
- Substitute a known-good audio panel - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ).
- Reconnect audio unit connector A (24P), and recheck.
Does the symptom go away?
YES
Replace the original audio panel.
NO
Replace the audio unit - Refer to: Audio Unit Removal and Installation (Display Audio Type (7-inch Screen) ), or Audio Unit Removal and Installation (Color Audio Type (5-inch Screen) ).
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Check the vehicle 12 volt battery condition first.
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NOTE:
Check the vehicle 12 volt battery condition first.
Check for B-CAN DTCs and resolve them before troubleshooting.
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Check the vehicle 12 volt battery condition first.
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TAA
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TAB
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TAD
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TAC
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TBI
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TBPCS
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Keyless Access System Symptom Troubleshooting - All The Doors And The
Tailgate Will Not Lock And Unlock
1. Door lock actuator operation check 1:
Remove all the keyless remotes from inside the vehicle, and close all
doors and the tailgate.
Push each LOCK and UNLOCK buttons of the keyless remote, at least 10
times.
Do the door lock actuators work normally?
YES
Go to step 2.
NO
Go to step 3.
2. D
