| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Suspension | Section: Tire Pressure Monitoring | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000000XN301WX |
| Title: TIRE PRESSURE MONITORING: TIRE PRESSURE WARNING SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Tire Pressure Warning Light Circuit |
DESCRIPTION
If the ECU detects trouble, the tire pressure warning light blinks (turns on after blinking for 1 minute) and the tire pressure monitor is canceled at the same time. At this time, the ECU stores a DTC in the memory.
INSPECTION PROCEDURE
NOTICE:
- When replacing the tire pressure warning ECU, read the IDs stored in the old ECU using the Techstream and write them down before removal.
-
It is necessary to perform initialization
after registration
of the transmitter IDs into the tire pressure warning ECU after the ECU and/or the tire pressure warning valve and transmitter has been replaced.
PROCEDURE
|
1. |
CHECK OPERATION OF TIRE PRESSURE WARNING LIGHT (ACTIVE TEST) |
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG) and the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Active Test.
(e) Check the condition of the tire pressure warning light by operating the Techstream.
Combination Meter
|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Indicat. Tire Pressure Warning System |
Tire Pressure Warning Light |
Tire pressure warning light is ON / OFF |
- |
OK:
The warning light turns on/off when operating the Techstream.
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