Toyota CH-R Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Power Steering System

DTC No.

Detection Item

DTC Detection Condition

Warning Indicate

Return-to-normal Condition

Note

Link

C1511

Torque Sensor1

Torque sensor malfunction

EPS warning light: Comes on

The ECU judges the system has returned to normal or the ignition switch ON again

-

C1512

Torque Sensor2

Torque sensor malfunction

EPS warning light: Comes on

The ECU judges the system has returned to normal or the ignition switch ON again

-

C1513

Torque Sensor Deviation Excessive

Torque sensor malfunction

EPS warning light: Comes on

The ECU judges the system has returned to normal or the ignition switch ON again

-

C1514

Torque Sensor Power Supply Voltage

Torque sensor malfunction

EPS warning light: Comes on

Ignition switch ON again

-

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.

C1516

Torque Sensor Zero Point Adjustment Incomplete

Torque sensor zero point calibration is incomplete due to the steering wheel being touched during calibration.

EPS warning light: Comes on

Ignition switch ON again

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.

C1517

Torque Hold

Torque sensor malfunction

EPS warning light: Comes on

Ignition switch ON again

-

C1521

Short in Motor Circuit

Motor overcurrent

EPS warning light: Comes on

Ignition switch ON again

-

C1522

Power Supply Sensor

Motor current sensor malfunction

EPS warning light: Comes on

Ignition switch ON again

-

C1523

Current Deviation Excessive

Excessively large current deviation

EPS warning light: Comes on

Ignition switch ON again

-

C1528

Motor Rotation Angle Sensor

Motor rotation angle sensor malfunction

EPS warning light: Comes on

Ignition switch ON again

-

C1531

ECU Malfunction

ECU internal malfunction

(CPU malfunction)

EPS warning light: Comes on

The ECU judges the system has returned to normal or the ignition switch is turned ON again

-

C1532

ECU Malfunction

ECU internal malfunction

(Peripheral circuit malfunction)

EPS warning light: Comes on

Ignition switch ON again

-

C1533

Temperature Sensor Circuit is Low or High

ECU internal malfunction

(Substrate temperature sensor malfunction)

EPS warning light: Comes on

Ignition switch ON again

-

C1534

EEPROM

ECU internal malfunction

(EEPROM error)

EPS warning light: Comes on

Ignition switch ON again

-

C1541

Vehicle Speed Signal

Vehicle speed signals via CAN communication are cut off for 3 seconds or more.

EPS warning light: Comes on

The ECU judges the system has returned to normal or the ignition switch is turned ON again

-

C1551

IG Power Supply Voltage

Open or short in IG power source circuit with power switch on (IG)

EPS warning light: Comes on

The ECU judges the system has returned to normal or the ignition switch is turned ON again

-

C1552

PIG Power Supply Voltage

PIG power source circuit malfunction

EPS warning light: Comes on

Ignition switch ON again

-

C1554

Power Supply Relay Failure

Power source relay circuit malfunction

EPS warning light: Comes on

Ignition switch ON again

-

C1555

Motor Relay Welding Failure

Motor relay circuit malfunction

EPS Warning Light: Comes on

Ignition switch ON again

-

C1567

Error in Matching of ECUs

There is a system recognition error

EPS warning light: Comes on

Ignition switch ON again

-

C1581

Assist Map Number Un-Writing

Assist map not written in power steering ECU assembly

EPS warning light: Comes on

Assist Map Writing is performed or the ignition switch is turned ON again

-

C1582

Assist Map Number Mismatch

Assist map number mismatch

EPS warning light: Does not come on

Assist Map Writing is performed or the ignition switch is turned ON again

-

U0100

Lost Communication With ECM/PCM "A"

Lost communication with ECM

EPS warning light: Does not come on

The ECU judges the system has returned to normal or the ignition switch is turned ON again

-

U0129

Lost Communication with Brake System Control Module

Lost communication with skid control ECU (brake actuator assembly)

EPS warning light: Comes on

The ECU judges the system has returned to normal or the ignition switch is turned ON again

-

U023A

Lost Communication with Front Camera Module

Lost communication with forward recognition camera

EPS warning light: Does not come on

The ECU judges the system has returned to normal or the ignition switch is turned ON again

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