Inspection Procedure

1. Turn the ignition switch to ON.
Fig 1: Identifying CG And TC Terminals Of DLC Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the voltage.

   Standard voltage 

   VOLTAGE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   E1-13 (TC) - E1-4 (CG)	11 to 14 V

NG:  Go to step  3

OK: Go to next step 

1. Check whether CAN communication DTC(s) is output (See DIAGNOSIS SYSTEM ).

   Result 

   RESULT CHART
   
   

   Result	Proceed to
   DTC not output	A
   DTC output	B

B: REPAIR CAN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: REPLACE MASTER CYLINDER SOLENOID  (See DISASSEMBLY )

1. Measure the resistance.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   E1-4 (CG) - Body ground	Below 1 Ω

   Fig 2: Identifying CG Terminal Of DLC3 Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the ECM connector.
Fig 3: Identifying ECM And DLC3 Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance.

   Standard resistance 

   RESISTANCE SPECIFICATION
   
   

   Tester Connection	Specified Condition
   E47-23 (TC) - E1-13 (TC)	Below 1 Ω
   E1-13 (TC)- Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Connect terminals TC and CG of the DLC3.
Fig 4: Identifying CG And TC Terminals Of DLC Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch to ON.
3. Check that the MIL is blinking.

   OK: 

   MIL is blinking. 

NG: REPLACE ECM  (See REMOVAL )

OK: REPLACE MASTER CYLINDER SOLENOID  (See DISASSEMBLY )