FixVault

Inspection Mode 1

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
DTC Description & trouble part Note
B1430 IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT OPEN -
B1431 IN-VEHICLE (POST EVAPORATOR) TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT -
B1432 AMBIENT TEMPERATURE SENSOR CIRCUIT OPEN (AIR-CONDITIONER) -
B1433 AMBIENT TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT (AIR-CONDITIONER) -
B1434 EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPEN -
B1435 EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORT-CIRCUIT -
B1436 AIR MIX DOOR ACTUATOR CIRCUIT OPEN (PASSENGER) With left/right independent air conditioning function
B1437 AIR MIX DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (PASSENGER) With left/right independent air conditioning function
B1438 MODE DOOR ACTUATOR CIRCUIT OPEN -
B1439 MODE DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT -
B1440 AIR MIX DOOR ACTUATOR CIRCUIT OPEN (DRIVER) -
B1442 AIR MIX DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT (DRIVER) -
B14B1 SEAT HEATER THERMISTOR CIRCUIT OPEN (DRIVER) With seat heater
B14B2 SEAT HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (DRIVER) With seat heater
B14B3 SEAT HEATER THERMISTOR CIRCUIT OPEN (PASSENGER) With seat heater
B14B4 SEAT HEATER THERMISTOR CIRCUIT SHORT-CIRCUIT (PASSENGER'S) With seat heater
B14E9 INTAKE DOOR ACTUATOR CIRCUIT OPEN -
B14EA INTAKE DOOR ACTUATOR CIRCUIT SHORT-CIRCUIT -
B14EB INTAKE DOOR ACTUATOR STUCK -
B14EC HUMIDITY SENSOR CIRCUIT OPEN With humidity sensor
B14ED HUMIDITY SENSOR CIRCUIT SHORT With humidity sensor

Diagnostic procedure: 

  1. Using the Subaru Select Monitor, perform the clear memory of [Air Conditioner]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY
  2. Using the Subaru Select Monitor, read the DTC of [Air Conditioner] to check that there is no DTC displayed. Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 
    NOTE:

    If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs. After solving the DTC, repeat from step   1 . 

  3. Turn the ignition switch to ON and then leave it for 16 seconds or more.
  4. Using the Subaru Select Monitor, read the DTC of [Air Conditioner] to check that there is no DTC displayed. Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) 
    NOTE:

    If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs.