Operation CHARM: Car repair manuals for everyone.

Diagnostic System Check

Diagnostic Chart:




Wiring Diagram:






CHECK CHART TEST DESCRIPTION

1. This test determines whether the PZM will communicate with the scan tool.

2. This test determines if the malfunction could be in the scan tool.

3. This test determines whether the PZM is not communicating because of an open in the circuit to the Data Link Connector (DLC).