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Diagnostic Procedure

ALL OUTPUTS SHORT - DIAGNOSTIC PROCEDURE

TEST ACTION APPLICABILITY
1 Turn the ignition on.
Turn the Radio on.
With the DRBIII®, erase the audio DTC's.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII®, read the audio DTC's.
Does the DRBIII® display ALL OUTPUTS SHORT?
  1. Yes: Go To 2
  2. No: Refer to SCHEMATIC DIAGRAMS to help isolate a possible short.

    Perform BODY VERIFICATION TEST VER-1 .

 All
2 Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Turn the ignition on.
Turn the radio on.
With the DRBIII®, erase the audio DTCs.
Cycle the ignition switch from off to on and wait 10 seconds.
With the DRBIII®, read DTC's.
Does the DRBIII® display ALL OUTPUTS SHORT?
  1. Yes: Go To 3
  2. No: Replace the Amplifier in accordance with the service information.

    Perform BODY VERIFICATION TEST VER-1 .

 All
3 Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Disconnect the Radio C1 harness connector.
Measure the resistance between ground and each radio right and left (+) circuit.
Is the resistance below 1000.0 (1K) ohms?
  1. Yes: Repair the radio right or left (+) circuit for a short to ground.

    Perform BODY VERIFICATION TEST VER-1 .

  2. No: Go To 4
 All
4 Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Disconnect the Radio C1 harness connector.
Measure the resistance between ground and each radio right and left (-) circuit.
Is the resistance below 1000.0 (1K) ohms?
  1. Yes: Repair the radio right or left (-) circuit for a short to ground.

    Perform BODY VERIFICATION TEST VER-1 .

  2. No: Go To 5
 All
5 Turn the ignition off.
Disconnect the Amplifier C2 harness connector.
Disconnect the Radio C1 harness connector.
Measure the resistance between each radio (+) circuit and each radio (-) circuit.
Is the resistance below 1000.0 (1K) ohms for any of the measurements?
  1. Yes: Repair the radio circuits shorted together.

    Perform BODY VERIFICATION TEST VER-1 .

  2. No: Go To 6
 All
6 If there are no possible causes remaining, view repair.
  1. Repair: Replace the Radio.

    Perform BODY VERIFICATION TEST VER-1 .

 All
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