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Home >> Toyota >> 2005 >> Prius >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Transmission Control System (Parking Lock Control) - Diagnostics >> Shift Control System (Parking Lock Control) >> DTC C2315: HV System Malfunction >> Inspection Procedure
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Inspection Procedure

  1. CHECK OTHER DTC OUTPUT (BESIDES DTC C2315) 
    1. Connect the hand-held tester to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the hand-held tester on.
    4. Read the DTCs.

    Result: 

    DTC OUTPUT RESULT

    Display (DTC output) Proceed to
    No output A
    P0851-579, P0852-580, P3102-597,598, and 599 B

    HINT:

    • DTCs P0851 and P0852 indicate P position switch malfunctions: DTC P0851-579 indicates "short to ground" and P0852-580 indicates "open" or "short to +B".
    • DTC P3102 indicates a P position signal error: DTC P3102-597 indicates "short to ground", P3102-598 indicates "short to +B", and P3102-599 indicates "duty ratio error".
    1. B: REPAIR CIRCUIT INDICATED BY OUTPUT CODE (See  CIRCUIT DESCRIPTION - PARK/NEUTRAL SWITCH INPUT CIRCUIT LOW/HIGH  ,  CIRCUIT DESCRIPTION - DRIVE MOTOR "A" INVERTER PERFORMANCE  ) 
    2. A: GO TO NEXT STEP 

    REPLACE HYBRID VEHICLE CONTROL ECU (See  HYBRID VEHICLE CONTROL ECU  )