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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 P3000-388 HV Battery Malfunction >> 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 P3000 (INF 388) and other DTCs are output 

      HINT:

      If any other codes besides P3000 (INF 388) are output, perform troubleshooting for those DTCs first.

    YES : GO TO RELEVANT  DIAGNOSTIC TROUBLE CODE CHART 

    NO : GO TO NEXT STEP 

  2. CHECK AMOUNT OF GASOLINE 
    1. Turn the power switch ON (IG).
    2. Check the amount of gasoline with the fuel gauge in the meter.

      OK : Appropriate amount of gasoline 

    NG : REFUEL GASOLINE 

    OK : GO TO NEXT STEP 

  3. CHECK IF ENGINE STARTS 
    1. Turn the power switch ON (READY).
    2. Check if the engine starts.

      OK : The engine starts 

    NO : REPLACE HV SUPPLY BATTERY ASSEMBLY 

    YES : LEAVE VEHICLE IN P POSITION, AND CHARGE HV BATTERY IN IDLE STATUS UNTIL IDLING STOPS