Inspection Procedure

INSPECT DLC3 (TS TERMINAL VOLTAGE)

Turn the ignition switch to the ON position.

Measure the voltage.

Standard

VOLTAGE SPECIFICATION

Tester Connection	Specified Condition
D4-12 (TS) - D4-4 (CG)	10 to 14 V

Turn the ignition switch to OFF.

NG: Go to step 3

Fig 1: Identifying DLC3 Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - DLC3)

Disconnect the skid control ECU connector.

Measure the resistance.

Standard

RESISTANCE SPECIFICATION

Tester Connection	Specified condition
S1-24 (TS) - D4-12 (TS)	Below 1 Ω

Measure the resistance.

Standard

RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
S1-24 (TS) - Body ground	10 kΩ or higher

Reconnect the skid control ECU connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 2: Identifying DLC3 & Skid Control ECU Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: REPLACE MASTER CYLINDER SOLENOID

CHECK HARNESS AND CONNECTOR (BODY GROUND - DLC3)

Measure the resistance.

Standard

RESISTANCE SPECIFICATION

Tester Connection	Specified condition
D4 (CG) - Body ground	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 3: Identifying DLC3 Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - DLC3)

Disconnect the skid control ECU connector.

Measure the resistance.

Standard

RESISTANCE SPECIFICATION

Tester Connection	Specified condition
S1-24 (TS) - D4-12 (TS)	Below 1 Ω

Measure the resistance.

Standard

RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
S1-24 (TS) - Body ground	10 kΩ or higher

Reconnect the skid control ECU connector.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 4: Identifying Skid Control ECU & DLC3 Connectors

OK: REPLACE MASTER CYLINDER SOLENOID