Lexus ES: Steering Sensor Signal Malfunction (C1784)
Lexus ES (XZ10) Service Manual / Suspension / Suspension Control / Adaptive Variable Suspension System / Steering Sensor Signal Malfunction (C1784)
DESCRIPTION
Steering sensor signals are sent to the absorber control ECU via CAN communication.
If a communication error is detected, DTC C1784 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Memory |
|---|---|---|---|---|---|
| C1784 | Steering Sensor Signal Malfunction | A steering sensor communication error is detected, or a steering sensor power malfunction is detected for 5 seconds or more. | Electronically controlled brake system | Does not come on | Yes (Under some of the detection conditions (sensor power +B open malfunction is detected), DTC is not stored.) |
PROCEDURE
| 1. | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
(a) Go to electronically controlled brake system.
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Removal
REMOVAL PROCEDURE 1. SECURE VEHICLE (a) Fully apply the parking brake and chock a wheel. CAUTION:
Make sure to apply the parking brake and chock a wheel before performing this procedure.
If the vehicle is not secure and the shift lever is moved to N, the vehicle may suddenly move, possibly resu
Installation
INSTALLATION PROCEDURE 1. INSTALL HOLE PLUG (a) Install the 10 hole plugs to the rear suspension member sub-assembly. HINT: There are 2 different shapes of hole plug. 2. INSTALL REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION (for LH Side) (a) Confirm the installation direction and
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