4. Check for DTCs with the HDS.
Is DTC 45 indicated?
YES -
Go to step 5.
NO -
The system is OK at this time.?
5. Turn the ignition switch to LOCK (0).
6. Disconnect the TPMS control unit 20P connector See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire
Pressure Module/Service and Repair.
7. Check for continuity between body ground and TPMS control unit 20P connector terminal No. 20.
Is there continuity?
YES -
Go to step 8.
NO -
Go to step 11.
8. Disconnect all four of the initiator 3P connectors.
9. Check for continuity between body ground and TPMS control unit 20P connector terminal No. 20.
Is there continuity?
YES -
Repair a short to body ground in the wire between the TPMS control unit and the initiators.?
NO -
Go to step 10.
10. Plug in one initiator at a time, and check for continuity between body ground and initiator 3P connector terminal No. 1.
NOTE: Check the initiators when mounted on the vehicle.