DTC P18A4-00: Pcm I-ACTIV AWD Control System
P18A4: 00 (PCM (H3T)) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
PCM i-ACTIV AWD control system |
| Detection condition |
- A condition in which the difference between the target current of the AWD solenoid control current and the actual current is the specification or more continues.
|
| Fail-safe |
|
| Possible cause |
- Differential oil temperature is higher than specified value.
NOTE:
- Switch the ignition off and allow vehicle to cool down.
- i-ACTIV AWD system-related part connector or terminal malfunction (See CONNECTOR INSPECTION
.)
- Electronic control coupling
- Electrical supply unit (ESU)
- AWD solenoid malfunction (Refer to [AWD SOLENOID INSPECTION
] in service information).
- Electrical supply unit (ESU) related DTCs are stored in the body control module (BCM). (See DTC TABLE [BCM]
.)
- Electrical supply unit (ESU) malfunction (Refer to [ELECTRICAL SUPPLY UNIT (ESU) REMOVAL/INSTALLATION
] in service information).
- PCM malfunction (Refer to [PCM REMOVAL/INSTALLATION
] in service information).
|
| Repeatability verification procedure |
1. Clear the DTC recorded in the memory. (See CLEARING DTC
.) |
| System Wiring Diagram |
|