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.

AMPLIFIER PRETEST - DIAGNOSTIC PROCEDURE

TEST	ACTION
1	NOTE: Perform this test if the vehicle is experiencing a problem with no sound or poor sound quality from a speaker or channel. Turn the ignition on.Turn the radio on.With the DRBIII(R) enter Body, Audio Systems, Digital Audio Amplifier then System Tests.With the DRBIII(R) enter any one of the amplifier tests. NOTE: The Continuous Tone test will send a continuous tone to each speaker. This test will verify the integrity of an individual speaker channel, but will not display any fault messages. NOTE: The PCI Amplifier Test will detect a PCI or Checksum Failure, and will display fault messages. NOTE: The Input Test will detect activity on the amplifier input channels, and will display fault messages. NOTE: The Speaker Output Test will detect activity on the amplifier output channels, and will display fault messages. Did the DRBIII(R) display a fault message? Yes --> Perform the appropriate corresponding test. Perform BODY VERIFICATION TEST - VER 1 . No --> If the DRB does not display a fault message and the vehicle is experiencing a problem with a speaker or channel, refer to the SYSTEM WIRING DIAGRAMS to help isolate a possible open in the wiring to the affected speaker or channel. Perform BODY VERIFICATION TEST - VER 1 .

TEST

ACTION

NOTE: Perform this test if the vehicle is experiencing a problem with no sound or poor sound quality from a speaker or channel.

Turn the ignition on.Turn the radio on.With the DRBIII(R) enter Body, Audio Systems, Digital Audio Amplifier then System Tests.With the DRBIII(R) enter any one of the amplifier tests.

NOTE: The Continuous Tone test will send a continuous tone to each speaker. This test will verify the integrity of an individual speaker channel, but will not display any fault messages.

NOTE: The PCI Amplifier Test will detect a PCI or Checksum Failure, and will display fault messages.

NOTE: The Input Test will detect activity on the amplifier input channels, and will display fault messages.

NOTE: The Speaker Output Test will detect activity on the amplifier output channels, and will display fault messages.

Did the DRBIII(R) display a fault message?

Yes --> Perform the appropriate corresponding test.
Perform BODY VERIFICATION TEST - VER 1 .
No --> If the DRB does not display a fault message and the vehicle is experiencing a problem with a speaker or channel, refer to the SYSTEM WIRING DIAGRAMS to help isolate a possible open in the wiring to the affected speaker or channel.
Perform BODY VERIFICATION TEST - VER 1 .