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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Hybrid Control System (2GR-FXS) - Diagnostic Codes (4 Of 6)) >> Hybrid Control System >> DTC P0ADB-227: Hybrid Battery Positive Contactor Control Circuit Low [11/2016 - ] >> Procedure

DTC P0ADB-227: Hybrid Battery Positive Contactor Control Circuit Low [11/2016 - ]: Procedure

WARNING: This page is about a different car, the 2019 Toyota Highlander, 2018 Toyota Highlander, and 2017 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - BODY GROUND) 
    1. Disconnect the F136 hybrid vehicle control ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.
      GTY704622Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)

      Standard Resistance

      Tester Connection Condition Specified Condition
      F136-4 (SMRB) - Body ground Power switch off 25.0 to 59.0 Ω
    3. Reconnect the F136 hybrid vehicle control ECU assembly connector.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  COMPONENTS [11/2016 - ] 

    Result:  2

    NG 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - HYBRID BATTERY JUNCTION BLOCK ASSEMBLY) 
    WARNING:

    Be sure to wear insulated gloves and protective goggles.

    1. Check that the service plug grip is not installed.
      NOTE:

      After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the repair information because this may cause a malfunction.

    2. Remove the upper hybrid vehicle battery cover sub-assembly.

      Refer to PROCEDURE - Step 36

    3. Disconnect the x3 hybrid battery junction block assembly connector.
    4. Disconnect the F136 hybrid vehicle control ECU assembly connector.
    5. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F136-4 (SMRB) or x3-4 (SMRB) - Body ground and other terminals Power switch off 10 kΩ or higher
      GTY732816Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
      *b Rear view of wire harness connector
      (to Hybrid Battery Junction Block Assembly)
    6. Reconnect the F136 hybrid vehicle control ECU assembly connector.
    7. Reconnect the x3 hybrid battery junction block assembly connector.
    8. Install the upper hybrid vehicle battery cover sub-assembly.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY. Refer to  COMPONENTS [02/2014 - ] 

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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