Inspection Procedure

1. Turn the ignition switch to the ON position.
2. Measure the voltage according to the value(s) in DLC3  .

   Standard voltage 

   DLC3
   
   

   Tester Connection	Condition	Specified Condition
   D1-13 (TC) - D1-4 (CG)	IG switch ON	10 to 14 V

   Fig 1: Inspecting DLC3

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step   4 

OK: GO TO NEXT STEP 

1. Disconnect the ECM connector.
2. Measure the resistance according to the value(s) in ECM - TC OF DLC3 (1 OF 2)  .

   Standard resistance 

   ECM - TC OF DLC3 (1 OF 2)
   
   

   Tester Connection	Specified Condition
   E6-20 (TC) - D1-13 (TC)	Below 1 Ω

3. Measure the resistance according to the value(s) in ECM - TC OF DLC3 (2 OF 2)  .

   Standard resistance 

   ECM - TC OF DLC3 (2 OF 2)
   
   

   Tester Connection	Specified Condition
   D1-13 (TC) - Body ground	10 kΩ or higher

   Fig 2: Checking Harness And Connector (ECM - TC Of DLC3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Disconnect the skid control ECU connector and the ECM connector.
2. Measure the resistance according to the value(s) in ECM - SKID CONTROL ECU (1 OF 2)  .

   Standard resistance 

   ECM - SKID CONTROL ECU (1 OF 2)
   
   

   Tester Connection	Specified Condition
   E6-24 (ENG+) - S1-9 (ENG+)	Below 1 Ω
   E6-30 (ENG-) - S1-23 (ENG-)	Below 1 Ω

3. Measure the resistance according to the value(s) in ECM - SKID CONTROL ECU (2 OF 2)  .

   Standard resistance 

   ECM - SKID CONTROL ECU (2 OF 2)
   
   

   Tester Connection	Specified Condition
   S1-9 (ENG+) - Body ground	10 kΩ or higher
   S1-23 (ENG-) - Body ground	10 kΩ or higher

   Fig 3: Identifying Skid Control ECU Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY 

1. Measure the resistance according to the value(s) in CG OF DLC3 - BODY GROUND  .

   Standard resistance 

   CG OF DLC3 - BODY GROUND
   
   

   Tester Connection	Specified Condition
   D1-4 (CG) - Body ground	Below 1 Ω

   Fig 4: Checking Harnss And Connector (CG Of DLC3 - Body Ground)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Disconnect the ECM connector.
2. Measure the resistance according to the value(s) in ECM - TC OF DLC3 (1 OF 2)  .

   Standard resistance 

   ECM - TC OF DLC3 (1 OF 2)
   
   

   Tester Connection	Specified Condition
   E6-20 (TC) - D1-13 (TC)	Below 1 Ω

3. Measure the resistance according to the value(s) in ECM - TC OF DLC3 (2 OF 2)  .

   Standard resistance 

   ECM - TC OF DLC3 (2 OF 2)
   
   

   Tester Connection	Specified Condition
   D1-13 (TC) - Body ground	10 kΩ or higher

   Fig 5: Checking Harness And Connector (ECM - TC Of DLC3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: GO TO NEXT STEP 

1. Disconnect the skid control ECU connector and the ECM connector.
2. Measure the resistance according to the value(s) in ECM - SKID CONTROL ECU (1 OF 2)  .

   Standard resistance 

   ECM - SKID CONTROL ECU (1 OF 2)
   
   

   Tester Connection	Specified Condition
   E6-24 (ENG+) - S1-9 (ENG+)	Below 1 Ω
   E6-30 (ENG-) - S1-23 (ENG-)	Below 1 Ω

3. Measure the resistance according to the value(s) in ECM - SKID CONTROL ECU (2 OF 2)  .

   Standard resistance 

   ECM - SKID CONTROL ECU (2 OF 2)
   
   

   Tester Connection	Specified Condition
   S1-9 (ENG+) - Body ground	10 kΩ or higher
   S1-23 (ENG-) - Body ground	10 kΩ or higher

   Fig 6: Checking Harness And Connector (ECM - Skid Control ECM)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: REPLACE ABS AND TRACTION ACTUATOR ASSEMBLY