Audio System Symptom Troubleshooting - Power switch will not turn ON (6 CD Changer Type)
Audio System Symptom Troubleshooting - Power switch will not turn ON
Power switch will not turn ON
NOTE: Verify that the switch is not pushed to the ON position.
| 1. | With the ignition switch ON (II), push the power switch ON to see if the audio unit turns ON. Does the power turn on? YES - Operation is normal.n NO - Go to 2. |
| 2. | Turn the ignition switch OFF, check the No. 6 (10A) and No. 32 (7.5A) fuses in the under-dash fuse/relay box. Are they in good condition? YES - Go to 3. NO - Replace the fuse and recheck.n |
| 3. | Remove the audio-HVAC-display module unit . Check that audio unit connector A (20P) is properly connected. Is it connected properly? YES - Go to 4. NO - Reconnect the connector, and recheck the function.n |
| 4. | Measure the voltage between the audio unit connector A10 terminal and body ground. Wire side of female terminalsWHTAUDIO UNIT CONNECTOR A (20P)Is there battery voltage? YES - Go to 5. NO - An open circuit or poor connection in wire between the under-dash fuse/relay box N11 terminal and audio unit connector A10 terminal.n |
| 5. | Turn the ignition switch OFF. Measure the voltage between the audio unit connector A2 terminal and body ground. Wire side of female terminalsREDAUDIO UNIT CONNECTOR A (20P)Is there battery voltage? YES - Go to 6. NO - An open circuit or poor connection in wire between the under-dash fuse/relay box N39 terminal and audio unit connector A2 terminal.n |
| 6. | Turn the ignition switch OFF, check for continuity between the audio unit connector A20 terminal and body ground. Wire side of female terminalsBLKAUDIO UNIT CONNECTOR A (20P)Is there continuity? YES - Go to 7. NO - An open wire between the audio unit connector A20 and body ground (G504).n |
| 7. | Remove the audio-HVAC-display module, and check for continuity between the No. 1 and No. 2 terminals of the printed circuit board 10P connector. PRINTED CIRCUITBOARD CONNECTOR (10P)AUDIO GNDPOWER SWITCH Is there continuity? YES - Faulty audio unit.n NO - Front printed circuit board.n |