If the tire pressure warning ECU does not receive radio waves from the transmitters after all IDs are registered, DTC C2126/26 is set in the tire
pressure warning ECU and the tire pressure warning light blinks for 1 minute and then remains on.
When the tire pressure warning ECU successfully receives radio waves from all the transmitters whose IDs are stored in the ECU, DTC C2126/26
will be deleted and the tire pressure warning light will go off.
HINT
If the IDs stored in the tire pressure warning ECU differ from the transmitter IDs, DTC C2126/26 will be set. Check that the IDs
in the ECU are the same as the transmitter IDs.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
- When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using Techstream and write
them down before removal.
- It is necessary to perform initialization See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring
System/Testing and Inspection/Programming and Relearning/Initialization after registration See: Instrument Panel, Gauges
and Warning Indicators/Tire Monitoring System/Testing and Inspection/Programming and Relearning/Registration of the
transmitter IDs into the tire pressure warning ECU if the ECU and/or any of the valve and transmitters have been replaced.
PROCEDURE
1. IDENTIFY TRANSMITTER NOT RECEIVED
(a) Set the tire pressure to the appropriate specified values See: Maintenance/Wheels and Tires/Testing and Inspection/Component Tests
and General Diagnostics.
(b) Turn the engine switch off.
(c) Connect Techstream to the DLC3.
(d) Turn the engine switch on (IG) and turn the tester on.
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