Diagnostic Procedure: Introduction

Diagnostic test procedures are designed to detect system faults as quickly as possible. Body fault codes are accessed through CCD bus diagnostic connector. See Figure . Chrysler's Diagnostic Readout Box-II (DRB-II) is used to access information from CCD bus diagnostic connector.

A 1993 diagnostic program cartridge, DRB-II, body diagnostics cable, hand-held oil pressure gauge, jumper wires, and digital volt/ohmmeter will be needed for testing. Proceed to TEST 1A - IDENTIFYING VEHICLE EQUIPMENT & SYSTEM PROBLEMS  .

Ensure self-diagnostic tests apply to vehicle being tested. When system problem is identified according to customer's complaint, perform diagnostic test indicated.