Inspection Procedure

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

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - TS of DLC3)

Disconnect the skid control ECU connector.

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

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
A36-24 (TS) - E21-12 (TS)	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 1: Identifying A36 Skid Control ECU And TS Of E21 DLC3 Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)

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

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
E21-4 (CG) - Body ground	Always	Below 1 Ω

Fig 2: Identifying CG Of E21 DLC3 Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (TS of DLC3 - BODY GROUND)

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

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
E21-12 (TS) - Body ground	Always	10 kΩ or higher

Fig 3: Identifying TS Terminal Of DLC3

HINT:

If troubleshooting has been carried out according to the Problem Symptoms Table, refer back to the table and proceed to the next step before replacing the part (See PROBLEM SYMPTOMS TABLE ).

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE BRAKE ACTUATOR ASSEMBLY