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Home >> Lexus >> 2010 >> HS 250h >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control (Diagnostic Codes (P0343-747 - P0A78-282) >> Hybrid Control System >> DTC P0A08-101: DC / DC Converter Status Circuit >> Procedure

DTC P0A08-101: DC / DC Converter Status Circuit: Procedure

  1. CHECK REAR SEAT SIDE GARNISH LH 
    1. Check that the air intake grill of the rear seat side garnish LH is not clogged.

      OK

      The air intake grill is not clogged.

    NG → REMOVE FOREIGN OBJECT 

    OK: Go to next step 

  2. CHECK AIR DUCT (ALL) 
    1. Check if the duct is installed correctly.

      OK

      The duct is installed correctly.

    2. Check the duct for clogging.

      OK

      The duct is not clogged.

    NG → REPAIR OR REPLACE AIR DUCT (ALL) 

    OK: Go to next step 

  3. REPLACE HYBRID VEHICLE CONVERTER 
    1. Replace the hybrid vehicle converter. Refer toCOMPONENTS .

    NEXT: Go to next step 

  4. CHECK AUXILIARY BATTERY 
    1. Turn the power switch on (READY).
    2. Leave the vehicle for 5 minutes.
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      Terminals of the auxiliary battery. Power switch on (READY) 10.5 V or higher

    NG → CHECK AND REPLACE AUXILIARY BATTERY 

    OK → COMPLETED