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Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
LEFT FRONT CHANNEL SHORTED ACROSS - DIAGNOSTIC PROCEDURE

TEST ACTION
1
NOTE: The fault condition must be present to continue diagnosis. Use the DRBIII(R) to perform the Amplifier pretest to verify the fault condition is present before continuing diagnosis.
Turn the ignition off.Disconnect the Left Front Tweeter harness connector.Turn the ignition on.With the DRBIII(R), perform the Amplifier pretest.Is the fault condition still present?
  1. Yes --> Go To 2
  2. No --> Replace the Left Front Tweeter in accordance with the Service Information.

    Perform BODY VERIFICATION TEST - VER 1  .
2 Turn the ignition off.
Disconnect the Left Front Woofer harness connector.
Turn the ignition on.
With the DRBIII(R), perform the Amplifier pretest.
Is the fault condition still present?
  1. Yes --> Go To 3
  2. No --> Replace the Left Front Woofer in accordance with the Service Information.

    Perform BODY VERIFICATION TEST - VER 1  .
3 Turn the ignition off.
Disconnect the Left Front Tweeter harness connector.
Disconnect the Left Front Woofer harness connector.
Disconnect the Amplifier C1 harness connector.
Measure the resistance of the Amplified Left Door Speaker (+) and (-) circuits.
Is the resistance below 5.0 ohms?
  1. Yes --> Repair the Amplified Left Door Speaker (+) and (-) circuits for a short together.

    Perform BODY VERIFICATION TEST - VER 1  .

  2. No --> Replace the Amplifier in accordance with the Service Information.

    Perform BODY VERIFICATION TEST - VER 1  .
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