Toyota Corolla Cross: 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
|
READ NEXT:
DESCRIPTION
The tire pressure warning ECU and receiver identifies the tire position for each
tire pressure warning valve and transmitter according to the wheel speed signals
from the skid control
REMOVAL
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
Procedure
Part Name Code
1
WHEEL ASSEMBLY
-
SEE MORE:
DESCRIPTION
The motor relay is built into the brake booster with master
cylinder assembly.
The electric brake booster (brake booster with master cylinder
assembly) turns the motor relay on to operate the motor in the brake booster with
master cylinder assembly in accordance with the operatio
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 DRAIN ENGINE COOLANT
- -
- 2
INVERTER WITH CONVERTER ASSEMBLY
G92A0 -
- -
3 NO. 3 WATER BY-PASS HOSE
16267 -