Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: 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 power switch is turned on (IG) 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. Detection Item DTC ...

    Torque Sensor Zero Point Adjustment Incomplete (C1516)
    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 completed. DTC No. Detec ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Axle And Differential: Front Axle Hub Bolt
    ComponentsCOMPONENTS ILLUSTRATION *1 FRONT AXLE HUB BOLT *2 FRONT DISC *3 FRONT DISC BRAKE CALIPER ASSEMBLY - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping" : N*m (kgf*cm, ft.*lbf) ● Non-reusable part Repl ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear Seat Assembly (for 60/40 Split Seat Type Lh Side): Reassembly
    REASSEMBLY CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the seat frame may injure your hands. PROCEDURE 1. INSTALL REAR SEATBACK FRAME SUB-ASSEMBLY LH (a) Using a T40 "TORX" socket wrench, install the rear seatback frame sub-assembly LH to the rear seat cushion frame sub-a ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2026 Copyright www.lexusrx.net
    0.0103