Lexus ES: Steering Vibrator Component Internal Failure (C1A7496)
DESCRIPTION
If the forward recognition camera receives a steering vibration ECU malfunction signal, DTC C1A7496 is stored.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
C1A7496 | Steering Vibrator Component Internal Failure | While the lane control system is on, a malfunction signal from the steering vibration ECU is detected by the forward recognition camera for 5 seconds or more. | Steering vibration ECU |
CAUTION / NOTICE / HINT
NOTICE:
The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.
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PROCEDURE
1. | REPLACE STEERING VIBRATION ECU |
(a) Replace the steering vibration ECU.
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REPAIR CAUTION / NOTICE / HINT HINT:
Use the same procedure for bank 1 and bank 2.
The following procedure is for bank 2.
PROCEDURE 1. REPAIR INTAKE VALVE SEAT NOTICE:
While repairing the intake valve seat, make sure to constantly check the valve seat width and valve seating position.
R
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