Toyota Venza: Torque Sensor Zero Point Adjustment Undone (C1515,C1525)

Toyota Venza Service Manual / Power Assist Systems / Power Steering System / Torque Sensor Zero Point Adjustment Undone (C1515,C1525)

DESCRIPTION

These DTCs do not indicate a malfunction. The power steering ECU stores these DTCs when it determines that the rotation angle sensor value initialization and torque sensor zero point calibration have not been performed.

DTC No.	DTC Detection Condition	Trouble Area
C1515	This DTC is detected when torque sensor zero point calibration has not been performed.	There is no malfunction if this DTC is not output again after performing torque sensor zero point calibration.
C1525	This DTC is detected when rotation angle sensor value initialization has not been performed.	There is no malfunction if this DTC is not output again after performing rotation angle sensor value initialization.

CAUTION / NOTICE / HINT

NOTICE:

If the power steering ECU and steering column assembly have been replaced, perform the rotation angle sensor initialization and torque sensor zero point calibration (See page ).

PROCEDURE

1.	INITIALIZE ROTATION ANGLE SENSOR AND CALIBRATE TORQUE SENSOR ZERO POINT

(a) Initialize the rotation angle sensor value and calibrate the torque sensor zero point (See page ).

2.	CHECK FOR DTC

(a) Check for DTCs (See page ).

Condition	Proceed to
DTC C1515 or C1525 is still output after performing rotation angle sensor value initialization and torque sensor zero point calibration 3 times.	A
DTC C1515 or C1525 is not output.	B

NOTICE:

If DTC C1515 or C1525 is output even though the rotation angle sensor value initialization and torque sensor zero point calibration have been performed, confirm the procedure again, and perform the calibration and initialization 3 times.

HINT:

Replace the power steering ECU if DTC C1515 or C1525 is still output after performing rotation angle sensor value initialization and torque sensor zero point calibration 3 times.

END

3.	REPLACE POWER STEERING ECU

(a) Replace the power steering ECU (See page ).

4.	INITIALIZE ROTATION ANGLE SENSOR AND CALIBRATE TORQUE SENSOR ZERO POINT

(a) Initialize the rotation angle sensor value and calibrate the torque sensor zero point (See page ).

5.	CHECK FOR DTC

(a) Check for DTCs (See page ).

Condition	Proceed to
DTC C1515 or C1525 is still output after performing rotation angle sensor value initialization and torque sensor zero point calibration 3 times.	A
DTC C1515 or C1525 is not output.	B

NOTICE:

HINT:

Replace the power steering gear if DTC C1515 or C1525 is still output after performing rotation angle sensor value initialization and torque sensor zero point calibration 3 times.

REPLACE STEERING COLUMN ASSEMBLY

END

Torque Sensor Circuit Malfunction (C1511-C1514,C1517)

DESCRIPTION The torque sensor converts the rotation torque input to the steering wheel into an electrical signal and sends it to the power steering ECU. Based on this signal, the ECU detects stee ...

PS Warning Light Remains ON

DESCRIPTION If the power steering ECU detects a malfunction, the P/S warning light comes on. At this time, the power steering ECU stores a DTC in its memory. WIRING DIAGRAM 1. w/ Smart Key System ...

Other materials about Toyota Venza:

Steering Angle Sensor Circuit Malfunction (C1231/31)
DESCRIPTION The steering angle sensor signal is sent to the skid control ECU via the CAN communication system. When there is a malfunction in the CAN communication system, it will be detected by the steering angle sensor zero point malfunction diagnostic ...

Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION If the driver door entry lock function operates normally, but its entry unlock function does not, this means that the request code from the driver door is being output normally. In this case, a malfunction in the touch sensor circuit (from the ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL REAR AXLE CARRIER SUB-ASSEMBLY (a) Temporarily install the rea ...