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" below.
POWER STEERING SYSTEM
| DTC Code | Detection Item | Trouble Area | Return-to-normal Condition | P/S Warning Light | See |
|---|---|---|---|---|---|
| C1511 | Torque Sensor Circuit Malfunction | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal |
| C1512 | Torque Sensor Circuit Malfunction | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal |
| C1513 | Torque Sensor Circuit Malfunction | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal |
| C1514 | Torque Sensor Power Supply Abnormal | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal |
| C1515 | Torque Sensor Zero Point Adjustment Undone | There is no malfunction if this DTC is not output again after performing torque sensor zero point calibration. | Zero point calibration occurs | *1 | Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone; DTC C1525: Rotation Angle Sensor Initialization Undone |
| C1516 | Torque Sensor Zero Point Adjustment Incomplete | There is no malfunction if this DTC is not output again after clearing the DTCs and torque sensor calibration value, and performing zero point calibration. | Clear DTC | *1 | Refer to DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1526: Rotation Angle Sensor Initialization Incomplete |
| C1517 | Torque Hold Abnormal | 1. Steering column assembly (torque sensor) 2. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction; DTC C1514: Torque Sensor Power Supply Abnormal; DTC C1517: Torque Hold Abnormal |
| C1521 | Motor Circuit Malfunction | Power steering ECU | Power switch on (IG) again | *1 | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1522 | Motor Circuit Malfunction | 1. Steering column assembly (Power steering motor) 2. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure |
| C1523 | Motor Circuit Malfunction | 1. Steering column assembly (Power steering motor) 2. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure |
| C1524 | Motor Circuit Malfunction | 1. Steering column assembly (Power steering motor) 2. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure |
| C1525 | Rotation Angle Sensor Initialization Undone | There is no malfunction if this DTC is not output again after performing rotation angle sensor value initialization. | Rotation angle sensor calibration occurs | *1 | Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone; DTC C1525: Rotation Angle Sensor Initialization Undone |
| C1526 | Rotation Angle Sensor Initialization Incomplete | There is no malfunction if this DTC is not output again after clearing the DTCs and torque sensor calibration value, and performing rotation angle sensor value initialization. | Clear DTC | *1 | Refer to DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1526: Rotation Angle Sensor Initialization Incomplete |
| C1528 | Motor Rotation Angle Sensor Malfunction | 1. Motor rotation angle sensor (built into steering column assembly) 2. Power steering |
Power switch on (IG) again | *1 | Refer to DTC C1528: Motor Rotation Angle Sensor Malfunction |
| C1531 | ECU Malfunction | Power steering ECU | Power switch on (IG) again | *1 | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1532 | ECU Malfunction | Power steering ECU | Power switch on (IG) again | *1 | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1533 | ECU Malfunction | Power steering ECU | After normal judgment | *2 | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1534 | ECU Malfunction | Power steering ECU | Power switch on (IG) again | *2 | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1541 | Vehicle Speed Signal Malfunction | 1. Speed sensor circuit 2. Brake actuator assembly (Skid control ECU) 3. CAN communication system 4. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1541: Vehicle Speed Signal Malfunction |
| C1546 | Malfunction in HV ECU | Hybrid control system | Power switch on (IG) again | *1 | Refer to DTC C1546: Malfunction in HV ECU |
| C1551 | IG Power Supply Voltage Malfunction | 1. ECU-IG1 No. 1 fuse 2. IG power source circuit 3. Harness or connector 4. Power steering ECU |
Power switch on (IG) again or after normal confirmation | *1 | Refer to DTC C1551: IG Power Supply Voltage Malfunction |
| C1552 | PIG Power Supply Voltage Malfunction | 1. EPS fuse 2. ECU-IG1 No. 1 fuse 3. PIG power source circuit 4. Harness or connector 5. Power steering converter assembly 6. Power steering ECU |
Power switch on (IG) again or after normal confirmation | *1 | Refer to DTC C1552: PIG Power Supply Voltage Malfunction |
| C1555 | Motor Relay Welding Failure | 1. Steering column assembly (Power steering motor) 2. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1555: Motor Relay Welding Failure |
| C1562 | DC / DC Converter PIG Power Supply Voltage | 1. Hybrid control system 2. Harness or connector 3. Power steering converter assembly |
After HV battery voltage normal condition | *1 | Refer to DTC C1562: DC / DC Converter PIG Power Supply Voltage |
| C1564 | Lost Communication with WDD Signal of DC / DC Converter | 1. ECU-IG1 No. 1 fuse 2. Harness or connector 3. Power steering converter assembly 4. Power steering ECU |
After normal condition | *1 | Refer to DTC C1564: Lost Communication with WDD Signal of DC / DC Converter; DTC C1565: Lost Communication with LDD/ASST Signal of DC / DC Converter |
| C1565 | Lost Communication with LDD/ASST Signal of DC / DC Converter | 1. ECU-IG1 No. 1 fuse 2. Harness or connector 3. Power steering converter assembly 4. Power steering E |
After normal condition and power switch on (IG) again | *1 | Refer to DTC C1564: Lost Communication with WDD Signal of DC / DC Converter; DTC C1565: Lost Communication with LDD/ASST Signal of DC / DC Converter |
| C1566 | Lost Communication with PSOK Signal of DC / DC Converter | 1. Hybrid control system 2. ECU-IG1 No. 1 fuse 3. Harness or connector 4. Power steering converter assembly 5. Power steering ECU |
After normal condition and power switch on (IG) again | *1 | Refer to DTC C1566: Lost Communication with PSOK Signal of DC / DC Converter |
| C1568 | DC-DC Converter Malfunction | 1. EPS fuse 2. ECU-IG1 No. 1 fuse 3. Harness or connector 4. Power steering converter assembly |
Power switch on (IG) again | *1 | Refer to DTC C1568: DC-DC Converter Malfunction |
| C1569 | Battery Power Supply Voltage Malfunction | 1. ECU-No. 2 fuse 2. Harness or connector 3. Power steering ECU |
*3 | *1 | Refer to DTC C1569: Battery Power Supply Voltage Malfunction |
| C1581 | Assist Map Number Un-Writing | 1. CAN communication system 2. Power steering converter assembly 3. Power steering ECU |
Assist map written | *1 | Refer to DTC C1581: Assist Map Number Un-Writing |
| C1582 | Assist Map Number Mismatch | 1. CAN communication system 2. Power steering converter assembly 3. Power steering ECU |
Power switch on (IG) again | *1 | Refer to DTC C1582: Assist Map Number Mismatch |
| U0129 | Lost Communication with Brake System Control Module | 1. CAN communication system 2. Brake actuator assembly (Skid control ECU) |
After normal condition | *1 | Refer to DTC U0129: Lost Communication with Brake System Control Module |
- *1: Warning light comes on
- *2: Warning light turns off (normal reset)
- *3:
- If a +B power supply voltage short occurs: Power switch on (IG) again after +B voltage has returned to normal (+B voltage has returned to normal when the voltage is 16 V or less.)
- If +B power supply voltage drops: Power switch on (IG) again after +B voltage has returned to normal (+B voltage has returned to normal when the voltage is 9 V or more.)