Diagnostic Trouble Code Chart [08/2012 - ]
HINT:
If a trouble code is displayed during the DTC check, inspect the circuit listed for that code. For details of each code, refer to "See" in the DTC chart.
POWER STEERING SYSTEM
| DTC Code | Detection Item | Trouble Area | Return-to-normal Condition | P/S Warning Light | See |
|---|---|---|---|---|---|
| C1511 | Torque Sensor Circuit Malfunction | 1. Wire harness or connector 2. Torque sensor (built into power steering gear assembly) 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction |
| C1512 | Torque Sensor Circuit Malfunction | 1. Wire harness or connector 2. Torque sensor (built into power steering gear assembly) 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction |
| C1513 | Torque Sensor Circuit Malfunction | 1. Wire harness or connector 2. Torque sensor (built into power steering gear assembly) 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1511: Torque Sensor Circuit Malfunction; DTC C1512: Torque Sensor Circuit Malfunction; DTC C1513: Torque Sensor Circuit Malfunction |
| C1515 | Torque Sensor Zero Point Adjustment Undone | - | After calibrating torque sensor zero point | ◦ | Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone; DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1525: Rotation Angle Sensor Initialization Undone; DTC C1526: Rotation Angle Sensor Initialization Incomplete |
| C1516 | Torque Sensor Zero Point Adjustment Incomplete | - | After clearing the DTC | ◦ | Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone; DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1525: Rotation Angle Sensor Initialization Undone; DTC C1526: Rotation Angle Sensor Initialization Incomplete |
| C1521 | Motor Circuit Malfunction | 1. Wire harness or connector 2. Power steering motor (built into power steering gear assembly) 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1532: ECU Malfunction |
| C1522 | Motor Circuit Malfunction | 1. Wire harness or connector 2. Power steering motor (built into power steering gear assembly) 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1532: ECU Malfunction |
| C1523 | Motor Circuit Malfunction | 1. Wire harness or connector 2. Power steering motor (built into power steering gear assembly) 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1532: ECU Malfunction |
| C1524 | Motor Circuit Malfunction | 1. Wire harness or connector 2. Power steering motor (built into power steering gear assembly) 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1532: ECU Malfunction |
| C1525 | Rotation Angle Sensor Initialization Undone | - | After calibrating torque sensor zero point | ◦ | Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone; DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1525: Rotation Angle Sensor Initialization Undone; DTC C1526: Rotation Angle Sensor Initialization Incomplete |
| C1526 | Rotation Angle Sensor Initialization Incomplete | - | After clearing the DTC | ◦ | Refer to DTC C1515: Torque Sensor Zero Point Adjustment Undone; DTC C1516: Torque Sensor Zero Point Adjustment Incomplete; DTC C1525: Rotation Angle Sensor Initialization Undone; DTC C1526: Rotation Angle Sensor Initialization Incomplete |
| C1528 | Motor Rotation Angle Sensor Malfunction | 1. Motor rotation angle sensor (built into power steering gear assembly) 2. Wire harness or connector 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1528: Motor Rotation Angle Sensor Malfunction |
| C1531 | ECU Malfunction | Power steering ECU assembly | Engine switch on (IG) again | ◦ | Refer to DTC C1531: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1532 | ECU Malfunction | 1. Wire harness or connector | Engine switch on (IG) again | ◦ | Refer to DTC C1521: Motor Circuit Malfunction; DTC C1522: Motor Circuit Malfunction; DTC C1523: Motor Circuit Malfunction; DTC C1524: Motor Circuit Malfunction; DTC C1532: ECU Malfunction |
| C1533 | ECU Malfunction | Power steering ECU assembly | Engine switch on (IG) again and after normal confirmation | ◦ | Refer to DTC C1531: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1534 | ECU Malfunction | Power steering ECU assembly | Engine switch on (IG) again | ◦ | Refer to DTC C1531: ECU Malfunction; DTC C1533: ECU Malfunction; DTC C1534: ECU Malfunction |
| C1541 | Vehicle Speed Signal Malfunction | 1. Speed sensor circuit 2. Skid control ECU 3. CAN communication system 4. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1541: Vehicle Speed Signal Malfunction |
| C1551 | IG Power Supply Voltage Malfunction | Power steering ECU assembly | Engine switch on (IG) again | ◦ | Refer to DTC C1551: IG Power Supply Voltage Malfunction |
| C1552 | PIG Power Supply Voltage Malfunction | 1. EPS fuse 2. Wire harness or connector 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1552: PIG Power Supply Voltage Malfunction; DTC C1554: Power Supply Relay Failure |
| C1554 | Power Supply Relay Failure | 1. EPS fuse 2. Wire harness or connector 3. Power steering ECU assembly |
Engine switch on (IG) again | ◦ | Refer to DTC C1552: PIG Power Supply Voltage Malfunction; DTC C1554: Power Supply Relay Failure |
| C1555 | Motor Relay Welding Failure | 3. Power steering ECU assembly | Engine switch on (IG) again | ◦ | Refer to DTC C1555: Motor Relay Welding Failure |
| C1581 | Assist Map Number Un-Writing | 1. ECM 2. Gateway ECU 3. Power steering ECU assembly |
- | ◦ | Refer to DTC C1581: Assist Map Number Un-Writing |
| U0100 | Lost Communication with ECM / PCM "A" | 1. CAN communication system 2. ECM (when only U0100 is output) |
Normal confirmation of CAN communication system | X | Refer to 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 (when only U0129 is output) |
Normal confirmation of CAN communication system | ◦ | Refer to 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 goes off (normal reset)