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HOMESERVICE MANUALSCHRYSLER2004PT CRUISER LIMITED, 2.4 B, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEBODY, CAB CONTROL SYSTEMSBODY DIAGNOSTIC PROCEDURESDIAGNOSTIC INFORMATION AND PROCEDURESAUDIOSYMPTOM: POWER AMP SHUTDOWNDIAGNOSTIC PROCEDURE
2004 Chrysler PT Cruiser Limited, 2.4 B, Standard

Diagnostic Procedure

2004 Chrysler PT Cruiser Limited, 2.4 B, StandardSECTION Diagnostic Procedure
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 POWER AMP SHUTDOWN?
  1. Yes: Go To 2
  2. No: Refer to the SYSTEM WIRING DIAGRAMS located in the service information to help isolate a possible intermittent short.

    Perform BODY VERIFICATION TEST - VER 1 .

 All
2 Turn the ignition off.
NOTE: Perform this procedure after disconnecting each front speaker connector. 

Disconnect each front speaker harness connector one at a time.
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 DTCs.
Does the DRBIII® display POWER AMP SHUTDOWN with all the front speakers disconnected?
  1. Yes: Go To 3
  2. No: Replace the Speaker that when disconnected the DTC did not reset.

    Perform BODY VERIFICATION TEST - VER 1 .

 All
3 Turn the ignition off.
NOTE: Perform this procedure after disconnecting each I/P speaker connector. 

Disconnect each I/P speaker harness connector one at a time.
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 POWER AMP SHUTDOWN with all the I/P speakers disconnected?
  1. Yes: Go To 4
  2. No: Replace the Speaker that when disconnected the DTC did not reset.

    Perform BODY VERIFICATION TEST - VER 1 .

 All
4 Turn the ignition off.
NOTE: Perform this procedure after disconnecting each rear speaker connector. 

Disconnect each rear speaker harness connector one at a time.
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 POWER AMP SHUTDOWN with all the rear speakers disconnected?
  1. Yes: Go To 5
  2. No: Replace the Speaker that when disconnected the DTC did not reset.

    Perform BODY VERIFICATION TEST - VER 1 .

 All
5 Turn the ignition off.
Disconnect each front, I/P and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and each speaker (+) circuit.
Is the resistance below 1000.0 (1K) ohms?
  1. Yes: Repair the speaker (+) circuit for a short to ground.

    Perform BODY VERIFICATION TEST - VER 1 .

  2. No: Go To 6
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6 Turn the ignition off.
Disconnect each front, I/P and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between ground and each speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms?
  1. Yes: Repair the speaker (-) circuit for a short to ground.

    Perform BODY VERIFICATION TEST - VER 1 .

  2. No: Go To 7
 All
7 Turn the ignition off.
Disconnect each front, I/P and rear speaker harness connector.
Disconnect the Radio harness connector.
Measure the resistance between each speaker (+) circuit and each speaker (-) circuit.
Is the resistance below 1000.0 (1K) ohms for any of the measurements?
  1. Yes: Repair the speaker circuits shorted together.

    Perform BODY VERIFICATION TEST - VER 1 .

  2. No: Go To 8
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8 If there are no possible causes remaining, view repair.
  1. Repair: Replace the Radio.

    Perform BODY VERIFICATION TEST - VER 1 .

 All
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.