Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2006 >> LX 470 >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Brake Control >> Vehicle Stability Control System >> DTC C1268/68 Transfer "L4" Position Switch Circuit >> Wiring Diagram

DTC C1268/68 Transfer "L4" Position Switch Circuit: Wiring Diagram

Fig 1: Transfer "L4" Position Switch Wiring Diagram
G04063909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. CHECK SKID CONTROL ECU ASSEMBLY (EXI2 TERMINAL VOLTAGE) 
    1. Remove the skid control ECU assembly with the connectors still connected.
    2. Turn the ignition switch ON.
    3. Measure the voltage between terminal EXI2 of the skid control ECU assembly and body ground when the transfer is in the L4 position.

    OK: 

    Fig 2: Checking Skid Control ECU Assembly (EXI2 Terminal Voltage)
    G04063910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Standard voltage: 10 to 14 V 

    OK : END 

    NG : Go To Next Step 

  2. INSPECT TRANSFER L4 POSITION SWITCH 
    1. Check the transfer L4 position switch (INSPECTION ).

      NG : REPLACE TRANSFER L4 POSITION SWITCH 

      OK : Go To Next Step 

  3. CHECK WIRE HARNESS (SKID CONTROL ECU ASSEMBLY - TRANSFER L4 POSITION SWITCH) 

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK : Go To Next Step 

  4. CHECK WIRE HARNESS (SKID CONTROL ECU ASSEMBLY - ECM) 

    NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

    OK : REPLACE SKID CONTROL ECU ASSEMBLY