Inspection Procedure

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

   Standard voltage 

   TESTER CONNECTION AND SPECIFIED CONDITION TABLE
   
   

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

   Fig 1: Identifying DLC3 Connector (TC - CG)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG:  Go to step  4

OK: Go To Next Step 

1. Check for CAN communication system DTC.

   Result 

   RESULT REFERENCE TABLE
   
   

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

B: REPAIR CAN COMMUNICATION SYSTEM 

A: Go To Next Step 

1. Using SST, connect terminal TC and CG of the DLC3.

   SST 09843-18040 

   Fig 2: Identifying DLC3 Connector (TC - CG)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check if the malfunction indicator lamp is blinking.

   OK: Malfunction indicator lamp is blinking. 

NG: REPLACE ECM 

OK: REPLACE MASTER CYLINDER SOLENOID  (See DISASSEMBLY )

1. Turn the ignition switch off.
   Fig 3: Identifying Connector (ECM - DLC3 (TC))

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the ECM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION TABLE
   
   

   Tester Connection	Condition	Specified Condition
   E8-23 (TC) - D1-13 (TC)	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go To Next Step 

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

   Standard resistance 

   TESTER CONNECTION AND SPECIFIED CONDITION TABLE
   
   

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

   Fig 4: Identifying DLC3 Connector (CG)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go To Next Step 

1. Using SST, connect terminals TC and CG of the DLC3.
   Fig 5: Identifying DLC3 Connector (TC - CG)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check if the malfunction indicator lamp is blinking.

   Result 

   RESULT REFERENCE TABLE
   
   

   Result	Proceed to
   Malfunction indicator lamp is blinking	A
   Malfunction indicator lamp is not blinking	B

B: REPAIR OR REPLACE WIRE HARNESS OR ECM (TC AND/OR ECM CIRCUIT) 

A: Go To Next Step 

1. Check for CAN communication system DTC.

   Result 

   RESULT REFERENCE TABLE
   
   

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

B: REPAIR CAN COMMUNICATION SYSTEM 

A: REPLACE MASTER CYLINDER SOLENOID  (See DISASSEMBLY )