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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Vehicle Control History
VEHICLE CONTROL HISTORY NOTICE: Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again. CHECK VEHICLE CONTROL HISTORY (LANE CO
Lost Communication with ECM/PCM "A" Missing Message (U010087,U012587,U012687,U012987,U013187,U015587)
DESCRIPTION When a communication malfunction is detected between the forward recognition camera and an ECU or sensor, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble A
Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message (U023587)
DESCRIPTION The forward recognition camera and millimeter wave radar sensor assembly communicate via CAN communication. If there is an error in the communication with the millimeter wave radar sensor
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Installation
INSTALLATION
PROCEDURE
1. INSTALL BATTERY
(a) w/ Battery Insulator
(1) Install the battery insulator to the battery.
(b) Install the battery to the vehicle.
(c) Install the No. 2 battery clamp to the battery clamp sub-assembly with the
bolt.
Remove in this Direction
Lost Communication with ECM / PCM "A" (U0100,U0126,U0140,U0163,U0233,U1110)
DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly. HINT: If CAN communication system DTCs are stored, they may also be stored in other systems. DTC No. Detection Item DTC Detection Condition Trouble A
