Diagnostic Trouble Code Chart
HINT:
If a trouble code is displayed during the DTC check, inspect the trouble area listed for that code. For details of the code, refer to the appropriate information given below.
POWER STEERING SYSTEM:
| DTC Code | Detection Item | Trouble Area | Normal Function Return Condition | P/S Warning Light | See |
|---|---|---|---|---|---|
| C1511 | Torque Sensor Circuit Malfunction | 1. Steering column assembly (Torque sensor) 2. Power steering ECU |
Ignition switch on (IG) again | ◦ | 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 |
| C1512 | Torque Sensor Circuit Malfunction | 1. Steering column assembly (Torque sensor) 2. Power steering ECU |
Ignition switch on (IG) again | ◦ | 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 |
| C1513 | Torque Sensor Circuit Malfunction | 1. Steering column assembly (Torque sensor) 2. Power steering ECU |
Ignition switch on (IG) again | ◦ | 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 |
| C1514 | Torque Sensor Power Supply Abnormal | 1. Steering column assembly (Torque sensor) 2. Power steering ECU |
Ignition switch on (IG) again | ◦ | 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 |
| C1521 | Motor Circuit Malfunction | Power steering ECU | Ignition switch on (IG) again | ◦ | Refer to DTC C1521: Motor Circuit Malfunction |
| C1524 | Motor Circuit Malfunction | 1. Steering column assembly (Power steering motor) 2. Power steering ECU |
Ignition switch on (IG) again | ◦ | Refer to DTC C1524: Motor Circuit Malfunction |
| C1528 | Motor Rotation Angle Sensor Malfunction | 1. Steering column assembly (Motor rotation angle sensor) 2. Power steering ECU |
Ignition switch on (IG) again | ◦ | Refer to DTC C1528: Motor Rotation Angle Sensor Malfunction |
| C1531 | ECU Malfunction | Power steering ECU | Ignition switch on (IG) again | ◦ | Refer to DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1532 | ECU Malfunction | Power steering ECU | Ignition switch on (IG) again | ◦ | Refer to DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1533 | ECU Malfunction | Power steering ECU | Ignition switch on (IG) again or after normal confirmation | ◦ | Refer to DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1534 | ECU Malfunction | Power steering ECU | Ignition switch on (IG) again | ◦ | Refer to DTC C1531: ECU Malfunction; DTC C1532: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1551 | IG Power Supply Voltage Malfunction | 1. ECU-IG1 fuse 2. IG power source circuit 3. Power steering ECU |
Ignition switch on (IG) again or after normal confirmation | ◦ | Refer to DTC C1551: IG Power Supply Voltage Malfunction |
| C1552 | PIG Power Supply Voltage Malfunction | 1. PIG power source circuit 2. Power steering ECU |
Ignition switch on (IG) again or after normal confirmation | ◦ | Refer to DTC C1552: PIG Power Supply Voltage Malfunction |
| C1554 | Power Supply Relay Failure | Power steering ECU | Ignition switch on (IG) again | ◦ | Refer to DTC C1554: Power Supply Relay Failure; DTC C1555: Motor Relay Welding Failure |
| C1555 | Motor Relay Welding Failure | Power steering ECU | Ignition switch on (IG) again | ◦ | Refer to DTC C1554: Power Supply Relay Failure; DTC C1555: Motor Relay Welding Failure |
| C1581 | Assist Map Number Un-Writing | Power steering ECU | Assist map write or ignition switch on (IG) again | ◦ | Refer to DTC C1581: Assist Map Number Un-Writing |
| U0073 | Control Module Communication Bus OFF | CAN communication system | Ignition switch on (IG) again | ◦ | Refer to DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module |
| U0100 | Lost Communication with ECM / PCM "A" | 1. CAN communication system 2. ECM |
Ignition switch on (IG) again or after normal confirmation | X | Refer to DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module |
| U0129 | Lost Communication with Brake System Control Module | 1. CAN communication system 2. Skid control ECU |
Ignition switch on (IG) again or after normal confirmation | ◦ | Refer to DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module |
HINT:
◦: Warning light comes on
X: Warning light turns off (normal reset)