Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT TRANSPONDER KEY COIL (IGNITION KEY CYLINDER LIGHT)

(a) Apply battery voltage to the connector and check the light illumination condition.

OK:

Condition

Specified Condition

Battery positive (+) → Terminal 2 (ILL+)

Battery negative (-) → Terminal 4 (ILL-)

Illuminates

If the result is not as specified, replace the transponder key coil (ignition key cylinder light).

*a	Component without harness connected (Transponder Key Coil (Ignition Key Cylinder Light))

Toyota Tundra Service Manual > Vehicle Stability Control System: Steering Angle Sensor Initialization Incomplete (C1439,C1445)
DESCRIPTION When the vehicle is being driven in a straight line at 12.8 km/h (8 mph) for 1 second or more, the skid control ECU (brake actuator assembly) calculates the steering angle sensor zero point and updates the zero point if the difference between the calculated zero point and current zero po ...

Toyota Tundra Owners Manual