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.

RIGHT FRONT AND LEFT REAR CHANNELS SHORTED ACROSS - DIAGNOSTIC PROCEDURE

TEST	ACTION
1	NOTE: The fault condition must be present to continue diagnosis. Use the DRB III to perform the Amplifier Pre-test to verify the fault condition is present before continuing diagnosis. NOTE: The amplifier speaker circuits are both shorted simultaneously for this fault to set. Turn the ignition off.Disconnect the Eight Front Woofer harness connector.Turn the ignition on.Using the DRB III, perform the Amplifier Pre-test.Is the same fault condition still present? Yes --> Go To 2 No --> Replace the Right Front Woofer in accordance with the service information. Perform the Amplifier Pre-Test. Note: After replacement of the speaker if another fault message is displayed perform the appropriate symptom. Perform BODY VERIFICATION TEST - VER 1 .
2	Turn the ignition off. Disconnect the Right Front Tweeter harness connector. Turn the ignition on. Using the DRB III, perform the Amplifier Pre-test. Is the same fault condition still present? Yes --> Go To 3 No --> Replace the Right Front Tweeter in accordance with the service information. Perform the Amplifier Pre-Test. Note: After replacement of the speaker if another fault message is displayed perform the appropriate symptom. Perform BODY VERIFICATION TEST - VER 1 .
3	Turn the ignition off. Disconnect the Left Rear Speaker harness connector. Turn the ignition on. Using the DRB III, perform the Amplifier Pre-test. Is the same fault condition still present? Yes --> Go To 4 No --> Replace the Left Rear Speaker in accordance with the service information. Perform the Amplifier Pre-Test. Note: After replacement of the speaker if another fault message is displayed perform the appropriate symptom. Perform BODY VERIFICATION TEST - VER 1 .
4	Turn the ignition off. Disconnect the Right Front Woofer harness connector. Disconnect the Right Front Tweeter harness connector. Disconnect the Left Rear Speaker harness connector. Disconnect the Amplifier C1 harness connector. Measure the resistance of the Amplified Right Door Speaker (+) and (-) circuits. Measure the resistance of the Amplified Left Rear Speaker (+) and (-) circuits. Is the resistance below 5.0 ohms on each measurement? Yes --> Repair both Speaker (+) and (-) circuits for a short together. Perform the Amplifier Pre-Test. Note: If another fault message is displayed perform the appropriate symptom. Perform BODY VERIFICATION TEST - VER 1 . No --> Replace the Amplifier in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1 .