Initial Inspection - Module Controlled

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 scan tool does not power up, refer to the scan tool manual.
5. Carry out the DATA LINK DIAGNOSTICS test. If the scan tool responds with:
^ CKT9I4, CKT9l5 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, refer to Module Communications Network (Information Bus).
^ NO RESP/NOT EQUIP for GEM, go to Pinpoint Test E. Test E: No Communication With the Generic Electronic Module (GEM)
^ SYSTEM PASSED, retrieve and record the continuous Diagnostic Trouble Codes (DTCs), erase the continuous DTCs, and carry out the self-test diagnostics for the GEM.
6. If the DTCs retrieved are related to the concern, go to the GEM Diagnostic Trouble Code (DTC) Index to continue diagnostics. Diagnostic Trouble Code Tests and Associated Procedures
7. If no DTCs related to the concern are retrieved, proceed to the Symptom Chart to continue diagnostics. Module Controlled