Tire Pressure Warning Light Circuit
Tire Pressure Warning Light CircuitDESCRIPTION
If the ECU detects trouble, the tire pressure warning light blinks (comes on after blinking for 1 minute) and tire pressure warning system operation is cancelled at the same time. At this time, the ECU records a DTC in the memory.
Connect terminals TC and CG of DLC3 to make the tire pressure warning light blink and output the DTC.
WIRING DIAGRAM:
INSPECTION PROCEDURE
NOTICE:
^ When replacing the tire pressure warning ECU, read the IDs stored in the old ECU using the intelligent tester and write them down before removal.
^ It is necessary to perform initialization after registration of the transmitter IDs into the tire pressure warning ECU after the ECU and/or valve and transmitter has been replaced.
HINT: This procedure must be performed according to the PROBLEM SYMPTOMS TABLE. Symptom Related Diagnostic Procedures
Step 1-2:
