Checking Cable
Measure the voltage between #F1 and #F2 on the amplifier. Voltage should be approximately 12 V.
Other information:
- To access the amplifier, see Power amplifier .
- To connect the breakout box, see Connecting the breakout box, Audio control module .
- For information about signals and connectors, see External amplifier .
Was a fault detected?
- YES
OKAY: Troubleshooting has been completed.
- NO
Refer to Checking component
HINT: Connect the two green connectors together between the loudspeakers and the amplifier.
Check the cable between the head unit/audio module #B1 and front left loud speaker (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between the head unit/audio module #B2 and front left loud speaker (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between the head unit/audio module #B5 and front right loud speaker (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between the head unit/audio module #B6 and front right loud speaker (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between the head unit/audio module #B7 and rear left loud speaker (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between the head unit/audio module #B8 and rear left loud speaker (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between the head unit/audio module #B11 and rear right loud speaker (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between the head unit/audio module #B12 and rear right loud speaker (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Remedy as necessary.
Other information:
- For information about programming and accessing/replacing the head unit/audio control module , see Radio cassette player, replacing .
- To connect the breakout box, see Connecting the breakout box, Audio control module .
- For information about signals and connectors, see Audio control module (AUM)/External amplifier to loudspeakers, gray connector .
HINT: Connect the two green connectors together between the loudspeakers and the amplifier.
Check the cable between amplifier #B1 and front left loudspeaker (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between amplifier #B2 and front left loudspeaker (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between amplifier #B5 and front right loudspeaker (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between amplifier #B6 and front right loudspeaker (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between amplifier #B7 and rear left loudspeaker (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between amplifier #B8 and rear left loudspeaker (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between amplifier #B11 and rear right loudspeaker (+) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Check the cable between amplifier #B12 and rear right loudspeaker (-) for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults , for a short-circuit to ground according to Short-circuit to ground, permanent faults , and for open-circuits according to Open-circuit, permanent faults .
Remedy as necessary.
Other information:
- To access the amplifier, see Power amplifier .
- To connect the breakout box, see Connecting the breakout box, Audio control module .
- For information about signals and connectors, see Signal specification, audio control module .
Was a fault detected?
- YES
OKAY: Troubleshooting has been completed.
- NO
Refer to Replacing component