Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Tire Pressure Warning Light Circuit

Toyota Corolla Cross (2022-2024) Service Manual / Suspension / Tire Pressure Monitoring / Tire Pressure Warning System / Tire Pressure Warning Light Circuit

DESCRIPTION

If the tire pressure warning ECU and receiver detects any problems, the tire pressure warning light blinks for 1 minute then illuminates, and tire pressure monitoring is disabled at the same time.

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the tire pressure warning ECU and receiver, first use the GTS to record all of the current IDs and registered tires with transmitters of the tire pressure warning valve and transmitter registered to the tire pressure warning ECU and receiver.
  • It is necessary to perform initialization after registration of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU has been replaced.

    for Registration:

    Click here

    for Initialization:

    Click here

PROCEDURE

1.

CHECK FOR DTC (CAN COMMUNICATION SYSTEM)

(a) Check if CAN communication system DTCs are output.

  • for Gasoline Model: Click here
  • for HEV Model: Click here

Result

Proceed to

DTCs are not output

A

DTCs are output

B
B

GO TO CAN COMMUNICATION SYSTEM

  • for Gasoline Model: Click here
  • for HEV Model: Click here

A

2.

CHECK COMBINATION METER ASSEMBLY

(a) Inspect the combination meter assembly.

Click here

OK

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER

NG

GO TO METER / GAUGE SYSTEM

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