| 1 |
INSPECT AUDIO UNIT CONNECTOR CONDITION
- Switch the ignition off.
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION
.)
- Disconnect the audio unit connector.
- Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
- Is there any malfunctioning part?
|
Yes |
Repair or replace the connector, then go to Step 6. |
| No |
Go to the next step. |
| 2 |
INSPECT SPEAKER CONNECTOR CONDITION
- Disconnect the speaker connector.
- Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
- Is there any malfunctioning part?
|
Yes |
Repair or replace the connector, then go to Step 6. |
| No |
Go to the next step. |
| 3 |
INSPECT SPEAKER CIRCUIT FOR SHORT TO GROUND
- Inspect for continuity between the following wiring harness terminals (wiring harness-side) and body ground.
- Front door speaker (LH) terminal C
- Front door speaker (LH) terminal B
- Front door speaker (RH) terminal C
- Front door speaker (RH) terminal B
- Rear door speaker (LH) terminal C
- Rear door speaker (LH) terminal B
- Rear door speaker (RH) terminal C
- Rear door speaker (RH) terminal B
- Is there continuity?
|
Yes |
Refer to the wiring diagram and verify if there is a common connector between the following terminals:
Go to Step 6. |
| No |
Go to the next step. |
| 4 |
INSPECT SPEAKER CIRCUIT FOR OPEN CIRCUIT
- Audio unit connector and speaker connector are disconnected.
- Inspect for continuity between the following terminals (wiring harness-side).
- Audio unit terminal 1A-Front door speaker (LH) terminal C
- Audio unit terminal 1C-Front door speaker (LH) terminal B
- Audio unit terminal 1D-Front door speaker (RH) terminal C
- Audio unit terminal 1F-Front door speaker (RH) terminal B
- Audio unit terminal 1S-Rear door speaker (LH) terminal C
- Audio unit terminal 1U-Rear door speaker (LH) terminal B
- Audio unit terminal 1V-Rear door speaker (RH) terminal C
- Audio unit terminal 1X-Rear door speaker (RH) terminal B
- Is there continuity?
|
Yes |
Go to the next step. |
| No |
Refer to the wiring diagram and verify if there is a common connector between the following terminals:
- Audio unit terminal 1A-Front door speaker (LH) terminal C
- Audio unit terminal 1C-Front door speaker (LH) terminal B
- Audio unit terminal 1D-Front door speaker (RH) terminal C
- Audio unit terminal 1F-Front door speaker (RH) terminal B
- Audio unit terminal 1S-Rear door speaker (LH) terminal C
- Audio unit terminal 1U-Rear door speaker (LH) terminal B
- Audio unit terminal 1V-Rear door speaker (RH) terminal C
- Audio unit terminal 1X-Rear door speaker (RH) terminal B If there is a common connector:
- Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
- Repair or replace the malfunctioning part. If there is no common connector:
- Repair or replace the wiring harness which has an open circuit.
Go to Step 6. |
| 5 |
INSPECT SPEAKERS
|
Yes |
Replace the speaker, then go to the next step.
(See FRONT DOOR SPEAKER REMOVAL/INSTALLATION
.)
(See REAR DOOR SPEAKER REMOVAL/INSTALLATION
.) |
| No |
Go to the next step. |
| 6 |
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
|
Yes |
Repeat the inspection from Step 1.
Go to the next step. |
| No |
Go to the next step. |
| 7 |
VERIFY IF OTHER DTCs DISPLAYED
- Are any other DTCs displayed?
|
Yes |
Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [AUDIO UNIT] .) |
| No |
DTC troubleshooting completed. |