Lexus ES: Torque Sensor Zero Point Adjustment Incomplete (C1516)
DESCRIPTION
This DTC does not indicate a malfunction. The power steering ECU (rack and pinion power steering gear assembly) stores this DTC when it determines that torque sensor zero point calibration has not completed.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Return-to-normal Condition | Note |
|---|---|---|---|---|---|---|
| C1516 | Torque Sensor Zero Point Adjustment Incomplete | Torque sensor zero point calibration is incomplete due to the steering wheel being touched during calibration. | Torque sensor zero point calibration | EPS warning light: Comes on | The DTC is cleared | There is no malfunction if this DTC is not output again after clearing the DTC and torque sensor calibration value, and performing zero point calibration. |
CAUTION / NOTICE / HINT
NOTICE:
If the rack and pinion power steering gear assembly has been replaced, perform assist map writing and torque sensor zero point calibration.
Click here .gif)
PROCEDURE
| 1. | REPLACE CHECK FOR DTC |
(a) Clear the DTCs. (Step 1)
Chassis > EMPS > Clear DTCs(b) Calibrate the torque sensor zero point. (Step 2)
Chassis > EMPS > Utility| Tester Display |
|---|
| Torque Sensor Adjustment |
(c) Check for DTCs. (Step 3)
Chassis > EMPS > Trouble CodesHINT:
If DTCs are output, perform steps (1) to (3) two more times.
| Result | Proceed to |
|---|---|
| DTCs are still output after performing steering zero point calibration 3 times. | A |
| Normal system code is output. | B |
| A | .gif) | REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY |
| B | | END |
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