Toyota CH-R Service Manual: Torque Sensor Zero Point Adjustment Undone (C1515)

Toyota CH-R Service Manual / Power Assist Systems / Power Steering System / Torque Sensor Zero Point Adjustment Undone (C1515)

DESCRIPTION

This DTC does not indicate a malfunction. The power steering ECU assembly stores this DTC when it determines that torque sensor zero point calibration has not been performed.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Return-to-normal Condition

Note

C1515

Torque Sensor Zero Point Adjustment Undone

This DTC is stored when torque sensor zero point calibration has not been performed.

-

EPS warning light: Comes on

Zero point calibration is performed or the ignition switch is turned ON again

There is no malfunction if this DTC is not output again after performing zero point calibration.

CAUTION / NOTICE / HINT

NOTICE:

  • If the electric power steering column sub-assembly has been replaced, perform torque sensor zero point calibration.

    Click here

  • If the power steering ECU assembly has been replaced, perform assist map writing and torque sensor zero point calibration.

    Click here

PROCEDURE

1.

CHECK FOR DTC

(a) Calibrate the torque sensor zero point. (Step 1)

Click here

Chassis > EMPS > Utility

Tester Display

Torque Sensor Adjustment

(b) Check for DTCs. (Step 2)

Click here

Chassis > EMPS > Trouble Codes

HINT:

If DTCs are output, perform steps (1) and (2) 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

B

END

A

2.

REPLACE POWER STEERING ECU ASSEMBLY

(a) Replace the power steering ECU assembly.

Click here

NEXT

3.

CHECK FOR DTC

(a) Calibrate the torque sensor zero point. (Step 1)

Click here

Chassis > EMPS > Utility

Tester Display

Torque Sensor Adjustment

(b) Check for DTCs. (Step 2)

Click here

Chassis > EMPS > Trouble Codes

HINT:

If DTCs are output, perform steps (1) and (2) 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 ELECTRIC POWER STEERING COLUMN SUB-ASSEMBLY

B

END

    Torque Sensor1 (C1511-C1514,C1517)
    DESCRIPTION The torque sensor converts the rotational torque received from the steering wheel into electric signals and sends them to the power steering ECU assembly. DTC No. ...

    Assist Map Number Un-Writing (C1581)
    DESCRIPTION This DTC will be stored if the power steering ECU assembly determines that the assist map is not written in the ECU. DTC No. Detection Item DTC Detecti ...

    Other materials:

    Toyota CH-R Service Manual > Safety Connect System: Short in GPS Antenna (B15C0,B15C1)
    DESCRIPTION These DTCs are stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly (for Roof Side) circuit. The DCM (Telematics Transceiver) receives 1574.42 - 1576.42 MHz radio frequency signals from satellites through the telephone a ...

    Toyota CH-R Service Manual > Can Communication System: Check Bus 5 Lines for Short Circuit
    DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 15 (CA5H) and 16 (CA5L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance ...

    © 2017-2021 Copyright www.tochr.net
    0.0162