Inspection Procedure

1. Check the DTCs (see DTC CHECK/CLEAR  ).

   Result: 

   RESULT DESCRIPTION
   
   

   DTC is not output	A
   DTC is output	B

1. B: REPAIR CIRCUIT ACCORDING TO OUTPUT CODE (SEE  DIAGNOSTIC TROUBLE CODE CHART   ) 
2. A: GO TO NEXT STEP 

1. Check the skid control ECU connector's connecting condition.

OK: 

The connector should be securely connected. 

1. NG: CONNECT CONNECTOR TO ECU 
2. OK: GO TO NEXT STEP 

1. Check the battery voltage.

Standard: 

Voltage: 11 to 14 V 

1. NG: INSPECT CHARGING SYSTEM ( ON-VEHICLE INSPECTION  ,  ON-VEHICLE INSPECTION  ) 
2. OK: GO TO NEXT STEP 

1. Transfer is in 4WD mode (Multi Mode 4WD only).
2. Disconnect the skid control ECU connector.
3. Turn the ignition switch to the ON position.
4. Measure the voltage according to the value(s) in the table below.

   Standard: 

   TESTER CONNECTION, CONDITION AND SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   S28-27 (EXI)- Body ground	Center diff. Free	10 to 14 V

   Fig 1: Identifying Skid Control ECU EXI Terminal

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. REPAIR OR REPLACE HARNESS OR CONNECTOR (EXI CIRCUIT) 
2. OK: GO TO NEXT STEP 

1. Disconnect the combination meter connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard: 

   TESTER CONNECTION AND SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   S28-35 (WT) - C10-17	Below 1Ω
   S28-35 (WT) - Body ground	10 kΩ or higher

   Fig 2: Identifying Connectors (Skid Control ECU And Combination Meter)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
2. OK: GO TO NEXT STEP