Is there continuity?
YES -
Replace the appropriate initiator See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure Monitor Receiver /
Transponder/Service and Repair.?
NO -
Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit See:
Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure Module/Service and Repair, and recheck.?
15. Turn the ignition switch to ON (II).
16. Measure voltage between body ground and TPMS control unit 20P connector terminal No. 15.
Is there battery voltage?
YES -
Repair a short to power in the wire between the TPMS control unit and the initiators.?
NO -
Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit See:
Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure Module/Service and Repair, and recheck.?
45-Ax
SRS DTC Troubleshooting: 45-2x, 45-8x, 45-9x, 45-Ax, 45-Bx
DTC 45-2x, 45-8x, 45-9x, 45-Ax, 45-Bx ("x" can be 0 thru 9 or A thru F):
Internal Failure of the Left Side Impact Sensor (second)
NOTE:
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures See: Body and Frame/Air Bag(s) Arming and
Disarming/Service and Repair and General Troubleshooting Information See: Restraints and Safety Systems/Air Bag Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes.
- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS
unit software See: Restraints and Safety Systems/Air Bag Systems/Testing and Inspection/Programming and Relearning/SRS Unit Update,
and retest.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to ON (II), then wait for 10 seconds.
3. Check for DTCs with the HDS.
