B2826
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PINPOINT TEST 4: DTC B2826 OR B2827 - FRONT EVAPORATOR TEMP SENSOR CIRCUIT FAILURE OR SHORT TO GROUND - HYBRID
Normal Operation
The evaporator discharge air temperature sensor receives a ground from the dual automatic temperature control (DATC) module through circuit (GY/L). A 5-volt reference voltage is supplied to the evaporator discharge air temperature sensor from the DATC module through circuit (V/BR).
- DTC B2826 (Front Evaporator Temp Sensor Circuit Failure) - The module senses no voltage drop on the sensor reference voltage circuit, indicating an open circuit.
- DTC B2827 (Front Evaporator Temp Sensor Short to Ground) - The module senses excessive voltage drop on the sensor reference voltage circuit, indicating a short directly to ground.
Possible Causes
- Wiring, terminals or connectors
- Evaporator discharge air temperature sensor
- DATC module
Diagnostic Procedure
Step 1-Step 2:
