Toyota Venza: Diagnostic Trouble Code Chart

Toyota Venza Service Manual / Power Assist Systems / Power Steering System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

Power Steering System

DTC Code	Detection Item	Trouble Area	Return-to-normal Condition	P/S Warning Light
C1511	Torque Sensor Circuit Malfunction	1. Steering column assembly (torque sensor) 2. Power steering ECU	Ignition switch ON again	*1
C1512	Torque Sensor Circuit Malfunction	1. Steering column assembly (torque sensor) 2. Power steering ECU	Ignition switch ON again	*1
C1513	Torque Sensor Circuit Malfunction	1. Steering column assembly (torque sensor) 2. Power steering ECU	Ignition switch ON again	*1
C1514	Torque Sensor Power Supply Abnormal	1. Steering column assembly (torque sensor) 2. Power steering ECU	Ignition switch ON again	*1
C1515	Torque Sensor Zero Point Adjustment Undone	-	Zero point calibration occurs	*1
C1516	Torque Sensor Zero Point Adjustment Incomplete	-	Clear DTC	*1
C1517	Torque Hold Abnormal	1. Steering column assembly (torque sensor) 2. Power steering ECU	Ignition switch ON again	*1
C1521	Motor Circuit Malfunction	Power steering ECU	Ignition switch ON again	*1
C1522	Motor Circuit Malfunction	1. Steering column assembly 2. Power steering ECU	Ignition switch ON again	*1
C1523	Motor Circuit Malfunction	1. Steering column assembly 2. Power steering ECU	Ignition switch ON again	*1
C1524	Motor Circuit Malfunction	1. Steering column assembly 2. Power steering ECU	Ignition switch ON again	*1
C1525	Rotation Angle Sensor Initialization Undone	-	Rotation angle sensor calibration occurs	*1
C1526	Rotation Angle Sensor Initialization Incomplete	-	Clear DTC	*1
C1528	Motor Rotation Angle Sensor Malfunction	1. Steering column assembly (built into steering column assembly) 2. Power steering ECU	Ignition switch ON again	*1
C1531	ECU Malfunction	Power steering ECU	Ignition switch ON again	*1
C1532	ECU Malfunction	Power steering ECU	Ignition switch ON again	*1
C1533	ECU Malfunction	Power steering ECU	After normal judgment	*2
C1534	ECU Malfunction	Power steering ECU	Ignition switch ON again	*2
C1541	Vehicle Speed Signal Malfunction	1. Speed sensor circuit 2. Brake actuator assembly (Skid control ECU) 3. CAN communication system 4. Power steering ECU	Ignition switch ON again	*1
C1551	IG Power Supply Voltage Malfunction	1. ECU-IG No. 2 fuse 2. IG power source circuit 3. Power steering ECU	Ignition switch ON again or after normal confirmation	*1
C1552	PIG Power Supply Voltage Malfunction	1. PIG power source circuit 2. Power steering ECU	Ignition switch ON again or after normal confirmation	*1
C1554	Power Supply Relay Failure	Power steering ECU	Ignition switch ON again	*1
C1555	Motor Relay Welding Failure	1. Steering column assembly 2. Power steering ECU	Ignition switch ON again	*1
C1581	Assist Map Number Un-Writing	1. Power steering ECU 2. CAN communication system 3. ECM 4. Brake actuator assembly (Skid control ECU)	Assist map whitten	*1
C1582	Assist Map Number Mismatch	1. Power steering ECU 2. CAN communication system 3. ECM 4. Brake actuator assembly (Skid control ECU)	After normal condition	*2
U0100	Lost Communication with ECM / PCM "A"	1. CAN communication system 2. ECM	After normal condition	*3
U0129	Lost Communication with Brake System Control Module	1. CAN communication system 2. Brake actuator assembly (Skid control ECU)	After normal condition	*1

*1: Warning light comes on
*2: Warning light turns off (normal reset)
*3: When an error occurs during steering assist, the warning light does not illuminate. For errors that occur before assist (at the time of the decision to start assist), the warning light illuminates.

Fail-safe Chart

FAIL-SAFE CHART If a problem occurs in the power steering system, the power steering assist will be stopped or the amount of power assist will be decreased to protect the system. Power Steering Sy ...

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ON-VEHICLE INSPECTION PROCEDURE 1. CHECK STEERING EFFORT (TORQUE) NOTICE: Some of these service operations may affect the SRS airbags. Read the precautionary notices concerning the SRS airbag sy ...

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