Inspection Procedure

1. Turn the ignition switch ON.
2. Measure the voltage of the DLC3.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   D1-13 (TC) - Body ground	10 to 14 V

NG: Go to step  3

Fig 1: Identifying DLC3 Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step 

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

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   DTC is not output	A
   DTC is output	8

B: REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 

A: REPLACE SKID CONTROL ECU 

Fig 2: Checking Wire Harness (Skid Control ECU - ECM)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the E6 ECM connector.
2. Measure the resistance of the wire harness side connectors.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Specified Condition
   D1-13 (TC) - E5-3 (TC)	Below 1 Ω
   D1-13 (TC) - Body ground	1 MΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to Next Step 

1. Measure the resistance of the wire harness side connector.
   Fig 3: Identifying DLC3 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

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

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: Go to Next Step 

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

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

B: REPAIR CIRCUITS INDICATED BY OUTPUT DTCS 

A: REPLACE SKID CONTROL ECU