TS and CG Terminal Circuit: Procedure

WARNING: This page is about a different car, the 2009 Lexus IS 350 and 2009 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

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

Disconnect the skid control ECU connector.

Fig 1: Identifying Connector Terminals
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Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
A58-33 (TS) - J21-12 (TS)	Always	Below 1 Ω
A58-33 (TS) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

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.

Fig 2: Identifying DLC3 Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard Resistance

Tester Connection	Condition	Specified Condition
J21-4 (CG) - Body ground	Always	Below 1 Ω

HINT:

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

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → See step 3

REPLACE BRAKE ACTUATOR ASSEMBLY. Refer to REMOVAL