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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Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: Make sure to hold the front wiper arm while lifting it, as lifting the front wiper arm by the front wiper blade may damage or deform the front wiper blade. PROCEDURE 1. REMOVE FRONT WIPER ARM HEAD CAP (a) Using a screwdriver with its tip wrapped with protec
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the parking support brake system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS
NEXT 3. INSPECT BATTERY VOLT
