DESCRIPTION
If the tire pressure warning ECU and receiver detects a disconnected connector or an open circuit between the tire pressure warning ECU and receiver and combination meter assembly, the tire pressure warning light blinks for 1 minute, and then remains on after the ignition switch ON.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the GTS and write them down before removal.
It is necessary to perform initialization (See page ) after registration Click here of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU has been replaced.
PROCEDURE
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - ECU)
Disconnect the tire pressure warning ECU and receiver G62*1 or L2*2 connector.
*1: for Sedan
*2: for Wagon
Disconnect the combination meter assembly D66 connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
|||||||||
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
CHECK OPERATION OF TIRE PRESSURE WARNING LIGHT (ACTIVE TEST)
Turn the ignition switch off.
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Body Electrical / Combination Meter / Active Test.
Check the condition of the tire pressure warning light by using the GTS.
Tester Display | Test Part | Control Range | Diagnostic Note |
---|---|---|---|
Indicat. Tire Pressure Warning System | Tire pressure warning light | OFF or ON | Confirm that the vehicle is stopped with the engine idling. |
OK |
---|
The tire pressure warning light turns on or off in accordance with the GTS operation. |
Result | ||||||||
---|---|---|---|---|---|---|---|---|
|
A |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Click here |
B |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Click here |
C |
GO TO METER / GAUGE SYSTEM Click here |