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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Adjustment
ADJUSTMENT PROCEDURE 1. STEERING WHEEL OFF CENTER ADJUSTMENT PROCEDURE (a) Inspect steering wheel off center. (1) Turn the steering wheel assembly to the center position. (2) Apply masking tape to the top center of the steering wheel assembly and upper steering column cover. *1 Ste
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