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B1A3F-ITM ARMING SEQUENCE PERFORMANCE For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes CAN B BUS COMMUNICATION PROBLEMS INTERMITTENT LOSS OF FUSED B(+) TO THE ITM DURING THE VTSS PRE-ARM PROCESS Diagnostic Test 1. DETERMINING IF DTC IS CURRENT NOTE: Diagnose any related Communication DTC(s) before continuing. With the scan tool, clear DTC(s). Turn the ignition off and remove the key from the ignition. Lock and close all doors to allow the VTSS to go from pre-arm to armed status and wait one minute. Disarm the VTSS. Using the scan tool, read DTC(s). Does the DTC reset? Yes >> Check for and correct any CAN B Bus DTC’s set in the ITM or other modules. Also check for intermit- tent loss Fused B(+) to the ITM. Perform BODY VERIFICATION TEST – VER 1 (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No >> DTC is not active at this time. Test complete. Perform BODY VERIFICATION TEST – VER 1 (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 8Q - 60 VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS LX |