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Home >> Toyota >> 2006 >> Prius >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> P112 Hybrid Vehicle Control - DTC P0A94 - P3226, U0100 - U0146 >> DTC P0A94-442 DC / DC Converter Performance >> Inspection Procedure

Inspection Procedure

  1. READ OUTPUT DTC (HV ECU) 
    1. Connect the intelligent tester to the DLC3.
    2. Turn the power switch ON (IG).
    3. Turn the intelligent tester ON.
    4. Enter the following menus: DIAGNOSIS / OBD/MOBD / HV ECU / DTC INFO / CURRENT CODES.
    5. Read DTCs.

      Result: DTC P0A94 (INF 442) and other DTCs are output 

      HINT:

      If any other codes besides P0A94 (INF 442) are output, perform troubleshooting for those DTCs first.

    YES : GO TO RELEVANT  DIAGNOSTIC TROUBLE CODE CHART 

    NO : REPLACE INVERTER WITH CONVERTER ASSEMBLY