Initial Inspection and Diagnostic Overview

1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of mechanical or electrical damage.







VISUAL INSPECTION CHART

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the NGS Tester does not power up, refer to the New Generation STAR Tester manual.
5. Carry out the DATA LINK DIAGNOSTICS. If the NGS Tester responds with:
^ CKT 914, CKT 915 or CK17O = ALL ECUS NO RESP/NOT EQUIP, refer to Module Communications Network (Information Bus).
^ NO RESP/NOT EQUIP for FEM, go to Pinpoint Test A. Test A: No Communication With the Front Electronic Module
^ NO RESP/NOT EQUIP for REM, go to Pinpoint Test B. Test B: No Communication With the Rear Electronic Module
^ NO RESP/NOT EQUIP for DDM, go to Pinpoint Test C. Test C: No Communication With the Driver Door Module
^ SYSTEM PASSED, retrieve and record the continuous Diagnostic Trouble Codes (DTCs), erase the continuous DTCs and carry out self-test diagnostics for the FEM, REM and DDM.

6. If the DTCs retrieved are related to the concern, go to the
FEM DTC Index, FEM Diagnostic Trouble Code (DTC) Index
REM DTC Index, REM Diagnostic Trouble Code (DTC) Index
DDM DTC Index. Driver Door Module (DDM) Diagnostic Trouble Code (DTC) Index
7. If no DTCs related to the concern are retrieved, proceed to the Symptom Chart to continue the diagnostics. Symptom Related Diagnostic Procedures