Diagnosis Procedure
- DETERMINE MALFUNCTION TYPE
With CONSULT
- Turn ignition switch ON.
- Turn ignition switch OFF and wait at least 30 seconds.
- Turn ignition switch ON and wait at least 30 seconds or more.
- Select "Self Diagnostic Result" mode of "MULTI AV" using CONSULT.
- Check DTC.
Is DTC B130D detected?
YES
GO TO 2.
YES
GO TO 3.
YES
GO TO 4.
NO
Refer to Intermittent Incident .
- CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND
- Turn ignition switch OFF.
- Disconnect audio unit connector M50, front door speaker RH connector and front tweeter RH connector.
- Check the continuity between audio unit connector M50 and front door speaker RH connector D112.
Audio unit
front door speaker RH
Continuity
Connector
Terminal
Connector
Terminal
M50
11
D112
1
Yes
12
2
- Check the continuity between audio unit connector M50 and front tweeter RH connector M111.
Audio unit
Front tweeter RH
Continuity
Connector
Terminal
Connector
Terminal
M50
11
M111
1
Yes
12
2
- Check the continuity between audio unit connector M50 and ground.
Audio unit
Continuity
Connector
Terminal
Ground
M50
11
--
No
12
Is the inspection result normal?
YES
Replace front door speaker RH or front tweeter RH. Refer to Removal and Installation (front door speaker) or Removal and Installation (front tweeter).
NO
Repair or replace harness or connectors.
- CHECK SOUND SIGNAL CIRCUITS FOR SHORT
- Turn ignition switch OFF.
- Disconnect audio unit connector M50, front door speaker RH connector and front tweeter RH connector.
- Check the continuity between the terminals of audio unit connector M50.
Audio unit
Continuity
Connector
Terminal
M50
11
12
No
Is the inspection result normal?
YES
Replace front door speaker RH or front tweeter RH. Refer to Removal and Installation (front door speaker) or Removal and Installation (front tweeter).
NO
Repair or replace harness or connectors.
- CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect audio unit connector M50, front door speaker RH connector and front tweeter RH connector.
- Turn ignition switch ON.
- Check the voltage between audio unit connector M50 and ground.
Audio unit
Ground
Voltage
Connector
Terminal
M50
11
--
0 V
12
Is the inspection result normal?
YES
Replace front door speaker RH or front tweeter RH. Refer to Removal and Installation (front door speaker) or Removal and Installation (front tweeter).
NO
Repair or replace harness or connectors.