Inspection Procedure

1. Disconnect the S8 skid control ECU connector.
2. Measure the resistance of the wire harness side connector.

   Standard resistance 

   TESTER CONNECTION - SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   S8-19 (CANH) - S8-18 (CANL)	Power switch OFF	54 to 69 Ω

   Fig 1: Checking CAN Bus Line For Disconnection (Skid Control ECU Branch Wire)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : REPLACE SKID CONTROL ECU BRANCH WIRE AND CONNECTOR (CANH, CANL) 

OK : GO TO NEXT STEP 

1. Disconnect the S7, S9 and S10 skid control ECU connectors.
2. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION - SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   S7-1 (GND) - Body ground	Below 1 Ω
   S8-1 (GND3) - Body ground	Below 1 Ω
   S8-2 (GND2) - Body ground	Below 1 Ω
   S9-1 (GND5) - Body ground	Below 1 Ω
   S9-2 (GND4) - Body ground	Below 1 Ω
   S10-4 (GND6) - Body ground	Below 1 Ω

   Fig 2: Checking Wire Harness (Skid Control ECU - Battery And Body Ground)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Measure the voltage of the wire harness side connectors.

   Standard voltage 

   TESTER CONNECTION - SPECIFIED CONDITION
   
   

   Tester Connection	Condition	Specified Condition
   S8-7 (IG1) - Body ground	Power switch ON (IG)	10 to 14 V
   S10-5 (IG2) - Body ground	Power switch ON (IG)	10 to 14 V

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK : REPLACE SKID CONTROL ECU