Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: It is necessary to perform initialization (See INITIALIZATION ) after registration (See REGISTRATION ) of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU and/or one of the valve and transmitters have been replaced.

HINT:

This procedure must be performed according to the PROBLEM SYMPTOMS TABLE .

PERFORM ACTIVE TEST USING TECHSTREAM

Connect the Techstream to the DLC3
Turn the engine switch on (IG)
Turn the Techstream on.

Check the condition of the tire pressure warning light by operating the Techstream Enter the following menus: Body / Combination Meter / Active Test.

Combination Meter

ACTIVE TEST

Tester Display	Test Part	Control Range	Diagnostic Note
Indicat Tire Pressure Warning System	Tire pressure warning light illuminates	OFF or ON	Confirm that the vehicle is stopped with the engine idling

OK: The tire pressure warning light is normal.

NG: REPLACE COMBINATION METER (See REMOVAL )

OK: Go to next step

CHECK MULTIPLEX COMMUNICATION SYSTEM
1. Check the multiplex communication system (See HOW TO PROCEED WITH TROUBLESHOOTING ).
  OK: There is not a malfunction on the multiplex communication system.
NG: GO TO MULTIPLEX COMMUNICATION SYSTEM (See HOW TO PROCEED WITH TROUBLESHOOTING )

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )