Inspection Procedure

1. Disconnect the skid control ECU connector and ECM connector.
2. Measure the resistance according to the value (s) in the table below.

   Standard: 

   TESTER CONNECTION SPECIFIED CONDITION (1 OF 3)
   
   

   Tester Connection	Specified Condition
   S1-8 (TRC+) - E6-25 (VSC+)	Below 1 Ω
   S1-22 (TRC-) - E6-31 (VSC-)	Below 1 Ω
   S1-9 (ENG+) - E6-24 (ENG+)	Below 1 Ω
   S1-23 (ENG-) - E6-30 (ENG-)	Below 1 Ω

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

   Standard: 

   TESTER CONNECTION SPECIFIED CONDITION (2 OF 3)
   
   

   Tester Connection	Specified Condition
   S1-8 (TRC+) - Body ground	10 kΩ or higher
   S1-22 (TRC-) - Body ground	10 kΩ or higher
   S1-9 (ENG+) - Body ground	10 kΩ or higher
   S1-23 (ENG-) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

Fig 1: Checking Harness And Connector (ECM - Skid Control ECU)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step. 

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

Standard: 

Fig 2: Checking Harness And Connector (E1 Of ECM - Body Ground)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (E1 CIRCUIT) 

OK: REPLACE ABS & TRACTION ACTUATOR ASSY (SEE  REPLACEMENT  )