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C151D-TIRE PRESSURE SENSOR LOCATION UNDERETEMIND For a complete wiring diagram Refer to Section 8W. Theory of Operation The vehicle sensor locate process occurs after the vehicle sits at zero speed for more than 19 min. The tire pres- • When Monitored: • Set Condition: Possible Causes (D508) COM - LIN TIRE PRESSURE MONITOR LAN CIRCUIT SHORT TO VOLTAGE (D508) COM - LIN TIRE PRESSURE MONITOR LAN CIRCUIT SHORT TO GROUND (D508) COM - LIN TIRE PRESSURE MONITOR LAN CIRCUIT OPEN OR HIGH RESISTANCE FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN OR HIGH RESISTANCE GROUND CIRCUIT(S) OPEN OR HIGH RESISTANCE (D508) COM-LIN TIRE PRESSURE MONITOR LAN CIRCUIT OPEN TIRE PRESSURE TRIGGER MODULE POWER AND GROUND TPM SENSOR WCM Diagnostic Test 1. OTHER DTC’S SET Repair all other DTC’s first. Is this DTC still active after all other DTC’s repaired? Yes >> Go To 2 No >> Test Complete. Perform TPM VERIFICATION TEST. (Refer to 22 - TIRES/WHEELS - DIAGNOSIS AND TESTING) 2. VERIFY DTC IS ACTIVE NOTE: Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding. With the scan tool, read and record WCM DTCs. With the scan tool, erase WCM DTCs. Cycle the ignition switch. With the scan tool, read WCM DTCs. Does this DTC reset? Yes >> Go To 3 No >> Perform the Stored Lost Communication test procedure. Refer to the table of contents in this section. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING). Perform BODY VERIFICATION TEST. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES PM TIRES/WHEELS - ELECTRICAL DIAGNOSIS 22 - 31 |