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Home >> Toyota >> 2003 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 769 (Automatic Transmission Electronic Controlled (ECT) - A750E/A750F - (1GR-FE) - Diagnostics) >> DTC P2772: Transfer L4 SW Circuit >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT TERMINAL VOLTAGE(L4 - BODY GROUND) 
    1. Disconnect the four wheel drive control ECU connector.
    2. Turn the ignition switch ON.
    3. Measure the voltage according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION SPECIFIED CONDITION (1 OF 2)

      Tester Connection Specified Condition
      F9 - 24 (L4) - Body ground 10 to 14 V
    1. OK: CHECK AND REPLACE FOUR WHEEL DRIVE CONTROL ECU (SEE  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
      Fig 1: Inspecting Terminal Voltage (L4 - Body Ground)
      G02584821Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. NG: GO TO NEXT STEP 
  2. INSPECT TERMINAL VOLTAGE(L4 - BODY GROUND) 
    1. Turn the ignition switch ON.
    2. Measure the voltage according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION SPECIFIED CONDITION (2 OF 2)

      Tester Connection Specified Condition
      E6 - 13 (L4) - Body ground 10 to 14V
    1. OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (SEE  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
      Fig 2: Inspecting Terminal Voltage (ECM L4 - Body Ground)
      G02584822Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. NG: GO TO NEXT STEP 

      REPLACE  ECM (1GR-FE) 

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