Inspection Procedure

INSPECT DLC3 TERMINAL VOLTAGE

Turn the ignition switch to the ON position.

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

Standard:

DLC3 TERMINAL VOLTAGE

Tester Connection	Specified Condition
TC (D1-13) - CG (D1-4)	11 to 14 V

Fig 1: Identifying DLC3 Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step 4
OK: Go to next follow T/o

CHECK HARNESS AND CONNECTOR (ECM - DLC3)

Disconnect the ECM connector.

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

Standard:

ECM - DLC3 RESISTANCE

Tester Connection	Specified Condition
TC (E3-20) - TC (D1-13)	1 Ωor less

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

Standard:

ECM - DLC3 RESISTANCE

Tester Connection	Specified Condition
TC (D1-13) - Body ground	10 kΩor higher

Fig 2: Identifying ECM - DLC3 Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next follow T/o

CHECK HARNESS AND CONNECTOR (ECM - SKID CONTROL ECU)

Disconnect the skid control ECU connector and the ECM connector.

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

Standard:

ECM - SKID CONTROL ECU RESISTANCE

Tester Connection	Specified Condition
ENG+ (E3-24) - ENG+ (S3-9)	1 Ωor less
ENG- (E3-30) - ENG- (S3-23)	1 Ωor less

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

Standard:

ECM - SKID CONTROL ECU RESISTANCE

Tester Connection	Specified Condition
ENG+ (S3-9) - Body ground	10 kΩor higher
ENG- (S3-30) - Body ground	10 kΩor higher

Fig 3: Identifying ECM - Skid Control ECU Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE BRAKE ACTUATOR ASSY (See BRAKE ACTUATOR ASSY )

NOTE: When replacing the brake actuator assy, perform the zero point calibration (See CALIBRATION ).

CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)

Disconnect the skid control ECU connector.

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

Standard:

DLC3 - BODY GROUND RESISTANCE

Tester Connection	Specified Condition
CG (D1-4) - Body ground	1 Ωor less

Fig 4: Identifying DLC3 - Body Ground

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next follow T/o

CHECK HARNESS AND CONNECTOR (ECM - DLC3)

Disconnect the ECM connector.

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

Standard:

ECM - DLC3 RESISTANCE

Tester Connection	Specified Condition
TC (E3-20) - TC (D1-13)	1 Ωor less

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

Standard:

ECM - DLC3 RESISTANCE

Tester Connection	Specified Condition
TC (D1-13) - Body ground	10 kΩor higher

Fig 5: Identifying ECM - DLC3 Terminals

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next follow T/o

CHECK HARNESS AND CONNECTOR (ECM - SKID CONTROL ECU)

Disconnect the skid control ECU connector and the ECM connector.

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

Standard:

ECM - SKID CONTROL ECU RESISTANCE

Tester Connection	Specified Condition
ENG+ (E3-24) - ENG+ (S3-9)	1 Ωor less
ENG- (E3-30) - ENG- (S3-23)	1 Ωor less

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

Standard:

ECM - SKID CONTROL ECU RESISTANCE

Tester Connection	Specified Condition
ENG+ (S3-9) - Body ground	10 kΩor higher
ENG- (S3-30) - Body ground	10 kΩor higher

Fig 6: Identifying ECM - Skid Control ECU Terminals

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE BRAKE ACTUATOR ASSY (See BRAKE ACTUATOR ASSY )

NOTE: When replacing the brake actuator assy, perform the zero point calibration (See CALIBRATION ).