General Information

B1241 Evaporator Sensor Short (Low)

General Information

Component Location





General Description

The Evaporator sensor is located on the AC/heater box and it detects the evaporator core temperature. When the core temperature is below the threshold value, the A/C ECU interrupts the compressor relay in order to prevent evaporator freezing.

DTC Description

DTC B1241 sets if the Evaporator Sensor signal is at or below 0.1 V for 0.3 seconds.

DTC Detecting Condition





Specification

** Resistance value of evaporator sensor as a function of temperature.






Diagnostic Circuit Diagram