Passive Anti-Theft System (PATS)
PASSIVE ANTI-THEFT SYSTEM (PATS) - INSPECTION AND VERIFICATION1. Verify the customer concern by operating the system.
Visual Inspection Chart:
2. Visually inspect for obvious signs of mechanical and electrical damage.
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 diagnostic tool does not power up, refer to the diagnostic tool manual.
5. Carry out the DATA LINK DIAGNOSTICS test. If the diagnostic tool responds with:
- CKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, refer to Information Bus (Module Communications Network).
- NO RESP/NOT EQUIP for PCM, refer to Information Bus (Module Communications Network).
- SYSTEM PASSED, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out the self-test diagnostics for the PCM KOEO.
6. If the DTCs retrieved are related to the concern, go to the PCM Diagnostic Trouble Code (DTC) Index to continue diagnostics. Powertrain Electronic Control DTC Index
7. If no DTCs related to the concern are retrieved, proceed to the Symptom Chart to continue diagnostics. Passive Anti-Theft System (PATS)