DTC B1520-49: Position Memory Control Module/Front Seat Warmer Control Unit/Front Seat Ventilation Control Unit Internal Malfunction
B1520:49 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Position memory control module/front seat warmer control unit/front seat ventilation control unit internal malfunction |
| Detection condition |
- The dash-electrical supply unit detects the position memory control module/front seat warmer control unit/front seat ventilation control unit internal malfunction.
|
| Fail-safe |
For malfunction related to seat warmer system
- Stops the driver and front passenger's seat warmer output.
For malfunction related to position memory system
- Inhibits the seat position recall and seat position programming of the position memory system.
|
| Possible cause |
- Position memory control module/front seat warmer control unit/front seat ventilation control unit malfunction (Refer to [POSITION MEMORY CONTROL MODULE REMOVAL/INSTALLATION
]
). (Refer to [FRONT SEAT WARMER CONTROL UNIT (LH) REMOVAL/INSTALLATION
]
). (Refer to [FRONT SEAT WARMER CONTROL UNIT (RH) REMOVAL/INSTALLATION
]
).
- Dash-electrical supply unit malfunction (Refer to [DASH-ELECTRICAL SUPPLY UNIT REMOVAL/INSTALLATION
]
).
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See CLEARING DTC
.)
|
| System wiring diagram |
|