FOREWORD [AUDIO]
Note. Note down all radio programs set by the customer prior to the repairs. Reset all radio programs and adjust the time after the repairs.
CONFIRMATION STEP 1: AUDIO SWITCH CONFIRMATION [AUDIO]
- Verify the customer complaint and identify the malfunction as occurring from either the center panel or the audio unit.
CONFIRMATION STEP 2: AUDIO CONTROL SWITCH CONFIRMATION [AUDIO]
- Verify the customer complaint and identify the malfunction as occurring from either the audio control switch or the audio unit.
NO.2 NO POWER TO THE ENTIRE AUDIO SYSTEM [AUDIO]
| 2 | No power to the entire audio system |
|---|
| Possible DTC | 09:Er20 |
| Possible cause | Poor connection of audio unit connector, terminal damage Audio unit malfunction Burnt fuse (B+) Burnt fuse (ACC) Open or short circuit in power supply (B+) wiring harness Open or short circuit in power supply (ACC) wiring harness |
NO.3 NO SOUND FROM ALL SPEAKERS [AUDIO]
| 3 | No sound from all speakers |
|---|
| Possible DTC | 09:Er20, 09:Er21, 10:Er07 |
| Possible cause | Speaker malfunction (e.g., foreign material penetration, damage) Audio unit malfunction Short circuit in wiring harness between audio unit and speaker Short circuit inside speaker |
NO.4 NO SOUND FROM SOME SPEAKERS [AUDIO]
| 4 | No sound from some speakers |
|---|
| Possible DTC | |
| Possible cause | Speaker malfunction (e.g., foreign material penetration, damage) Audio unit malfunction Short circuit inside speaker Open or short circuit in wiring harness between audio unit and speaker |
NO.5 SOUND BREAK-UP OR POOR SOUND QUALITY [AUDIO]
| 5 | Sound break-up or poor sound quality |
|---|
| Possible DTC | 09:Er21 |
| Possible cause | Speaker malfunction (e.g., foreign material penetration, damage) Improper speaker installation Audio unit malfunction Vibration of door trim and/or package trim |
NO.6 SOUND BECOMES LOUD OR WEAK WHILE DRIVING THE VEHICLE [AUDIO]
| 6 | Sounds becomes loud or weak while driving the vehicle |
|---|
| Possible DTC | |
| Possible cause | Audio unit malfunction NOTE: Inspect the ALC function while driving the vehicle and playing a CD. |
| NOTE |
|---|
| Inspect the ALC function while driving the vehicle and playing a CD. |
NO.7 ALC FUNCTION IS INOPERATIVE [AUDIO]
| 7 | ALC function is inoperative |
|---|
| Possible DTC | |
| Possible cause | Audio unit malfunction Instrument cluster malfunction Open or short circuit in vehicle speed signal wiring harness (e. g., instrument cluster) NOTE: Inspect the ALC function while driving the vehicle and playing a CD. |
| NOTE |
|---|
| Inspect the ALC function while driving the vehicle and playing a CD. |
NO.8 NO AUDIO SYSTEM ILLUMINATION [AUDIO]
| 8 | No audio system illumination |
|---|
| Possible DTC | 09:Er20 |
| Possible cause | Poor connection of audio unit connector, terminal damage Audio unit malfunction Burnt fuse (TNS signal) Open or short circuit in TNS signal wiring harness Center panel malfunction |
NO.9 LCD DOES NOT DISPLAY AT ALL [AUDIO]
| 9 | LCD does not display at all |
|---|
| Possible DTC | 09:Er20 |
| Possible cause | Audio unit malfunction Center panel malfunction. |
