DYNAMIC TORQUE CONTROL 4WD/AWD SYSTEM Pattern Select Switch Sport Mode Circuit

DESCRIPTION

The 4WD ECU assembly switches from normal mode to sport mode when a sport mode ON signal is input from the sport mode switch (combination switch assembly).

WIRING DIAGRAM

CAUTION / NOTICE / HINT

PROCEDURE

1. INSPECT COMBINATION SWITCH ASSEMBLY

   
   

   1. Remove the sport mode switch (combination switch assembly).

      Click here

   2. Ispect the sport mode switch (combination switch assembly).

      Click here

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE COMBINATION SWITCH ASSEMBLY Click here

   OK

2. CHECK HARNESS AND CONNECTOR (COMBINATION SWITCH ASSEMBLY - BODY GROUND)

   
   
   1. 

      *A	w/o Stop and Start System
      *B	w/ Stop and Start System
      *a	Front view of wire harness connector (to Sport Mode Switch [Combination Switch Assembly])

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      w/o Stop and Start System Tester Connection Condition Specified Condition G60-4 (MSW2) - Body ground Always Below 1 Ω
      w/ Stop and Start System Tester Connection Condition Specified Condition G70-4 (E) - Body ground Always Below 1 Ω

      Result
      Proceed to OK NG

   
   

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR

   OK

3. CHECK HARNESS AND CONNECTOR (COMBINATION SWITCH ASSEMBLY - 4WD ECU ASSEMBLY)

   
   

   1. Reinstall the sport mode switch (combination switch assembly).

   2. Disconnect the 4WD ECU assembly connector.

   3. 

      *a	Front view of wire harness connector (to 4WD ECU Assembly)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition G86-11 (EXI) - Body ground Sport mode switch on (Push) Below 1 Ω Sport mode switch off (Release) 10 kΩ or higher

      Result
      Proceed to OK NG

   
   

   OK

   REPLACE 4WD ECU ASSEMBLY Click here

   NG

   REPAIR OR REPLACE HARNESS OR CONNECTOR