DTC B1C1A-11: Air Mix Actuator (LH) Internal Potentiometer Circuit Malfunction
B1C1A:11 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Air mix actuator (LH) internal potentiometer circuit malfunction |
| Detection condition |
- The dash-electrical supply unit detects a short to ground in the air mix actuator (LH) internal potentiometer circuit.
|
| Fail-safe |
- Air mix actuator (LH) drive signal is stopped right when the malfunction is determined.
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between air mix actuator (LH) and dash-electrical supply unit (See CIRCUIT INSPECTION
.) (See CONNECTOR INSPECTION
.)
- Air mix actuator (LH) malfunction (short to ground in potentiometer circuit) (Refer to [AIR MIX ACTUATOR INSPECTION
]
).
- 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
.)
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
Dash-electrical supply unit |
| 2 |
Air mix actuator (LH) |