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HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 24 (HVAC SYSTEM (DIAGNOSTICS) (HEV))INSPECTION MODEPROCEDUREINSPECTION MODE 3
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans

Inspection Mode 3

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Inspection Mode 3
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
Code Description and trouble part Note
B1470 A/C INVERTER HIGH VOLTAGE -
B1471 A/C INVERTER HIGH VOLTAGE OUTPUT -
B1473 A/C INVERTER HARDWARE -
B1474 A/C INVERTER TEMPERATURE -
B1475 A/C INVERTER LOAD -
B1476 A/C INVERTER LOW VOLTAGE -
B1477 A/C INVERTER LOCAL COMMUNICATION -

Diagnostic procedure:

  1. Using the Subaru Select Monitor, perform the clear memory of [Air Conditioner]. Ref. to COMMON (DIAG)>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) (HEV)>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 to READY ON and leave unattended for 10 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) (HEV)>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. 

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.