Diesel Data: Automotive Repair

Tire Pressure Warning Light Circuit

Tire Pressure Warning Light Circuit

DESCRIPTION
If the ECU detects trouble, the tire pressure warning light blinks (comes on after blinking for 1 minute) and tire pressure monitor 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: It is necessary to perform initialization after registration of the transmitter IDs into the tire pressure warning ECU, after the ECU has been replaced. Programming and Relearning

HINT: This procedure must be performed according to the PROBLEM SYMPTOMS TABLE. Symptom Related Diagnostic Procedures

Step 1-2:




Step 2(continued):