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Home >> Lexus >> 2002 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Hybrid Control System - Diagnosis) >> DTC P0A1D/568: Hybrid Powertrain Control Module, DTC P0A1D/569 Hybrid Powertrain Control Module >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. READ OUTPUT DTC (HV ECU) 
  1. Connect the hand-held tester to the DLC3.
  2. Turn the power switch ON (IG).
  3. Turn the hand-held tester ON.
  4. On the hand-held tester, enter the following menus: DIAGNOSIS / OBD/MOBD / HV ECU / DTC INFO / CURRENT CODES.
  5. Read DTCs.

Result: DTC P0A0F (INF 243), P0A40 (INF 500) or P0A41 (INF 245) for the motor resolver is output 

YES: GO TO RELEVANT DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART   ) 

NO 

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

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