Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Torque Sensor Zero Point Adjustment Incomplete (C1516)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Steering / Power Assist Systems / Power Steering System(for Gasoline Model) / 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

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 Codes

HINT:

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

REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY

B

END
    Torque Sensor Zero Point Adjustment Undone (C1515)

    Vehicle Speed Signal (C1541)

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