Diagnosis Procedure

TIRE PRESSURE RECEIVER


Description






The tire pressure receiver (1) receives the air pressure signal transmitted by the transmitter in each wheel.




TIRE PRESSURE RECEIVER


Diagnosis Procedure

1.CHECK TIRE PRESSURE RECEIVER SIGNAL
1. Turn the ignition switch ON.

CAUTION:
Never start the engine.
2. Check tire pressure receiver connector and ground signal with oscilloscope.





Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 2.
2.CHECK TIRE PRESSURE RECEIVER INPUT VOLTAGE
1. Disconnect tire pressure receiver connector.
2. Check voltage between tire pressure receiver connector and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - Check BCM harness and connector.
3.CHECK TIRE PRESSURE RECEIVER GROUND CIRCUIT
1. Disconnect BCM harness connector.
2. Check continuity between BCM harness connector and tire pressure receiver connector.





3. Check continuity between BCM harness connector and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace damaged parts.
4.CHECK BCM CIRCUIT
Inspect the BCM circuit. Refer to Power Supply and Ground Circuit.
Is the BCM circuit normal?
YES - Replace tire pressure receiver.
NO - Repair or replace BCM circuit. Replace BCM. Refer to Removal and Installation.