DTC B1A61-11: Passenger Compartment Temperature Sensor Circuit Malfunction
B1A61:11 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Passenger compartment temperature sensor circuit malfunction |
| Detection condition |
- The dash-electrical supply unit detects a short to ground in passenger compartment temperature sensor circuit.
|
| Fail-safe |
- Fixes the passenger compartment temperature sensor input value at 25°C {77°F} and performs control.
|
| Possible cause |
- Malfunction in wiring harness (including connector/terminal) between passenger compartment temperature sensor and climate control unit (See CIRCUIT INSPECTION
.) (See CONNECTOR INSPECTION
.)
- Passenger compartment temperature sensor malfunction (Refer to [PASSENGER COMPARTMENT TEMPERATURE SENSOR INSPECTION
]
).
- Climate control unit malfunction (Refer to [CLIMATE CONTROL UNIT 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
.)
|
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
Climate control unit |
| 2 |
Passenger compartment temperature sensor |