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Home >> Cadillac >> 1996 >> Seville STS V8-4.6L VIN 9 >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Diagnostic System Check
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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).
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