DTC 45
DTC 45: Initiator Circuit Short Detected1. Clear the DTC.
2. Turn the ignition switch OFF, then turn it ON (II) again.
Is DTC 45 indicated?
YES - Go to step 3.
NO - The system is OK at this time.
3. Turn the ignition switch OFF, then disconnect TPMS control unit connectors A (14P) and B (20P).
4. Check for continuity between the appropriate terminal in TPMS control unit connector A (14P) and body ground (see table).
Is there continuity?
YES - Go to step 5.
NO - Go to step 6.
5. Disconnect the connector from the appropriate initiator. Then check for continuity between the appropriate terminal in TPMS control unit connector A (14P) and body ground.
Is there continuity?
YES - Repair the short to body ground in the appropriate wire between the TPMS control unit and the initiator.
NO - Replace the initiator.
6. Check for continuity between the appropriate terminal in TPMS control unit connector B (20P) and body ground (see table).
Is there continuity?
YES - Go to step 7.
NO - Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit and recheck.
7. Disconnect the connector from the appropriate initiator. Then check for continuity between the appropriate terminal in TPMS control unit connector B (20P) and body ground.
Is there continuity?
YES - Repair the short to body ground in the appropriate wire between the TPMS control unit and the initiator.
NO - Replace the initiator.