Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSLEXUS2007ES 350REPAIR AND DIAGNOSISBRAKESTRACTION CONTROLBRAKE CONTROLVEHICLE STABILITY CONTROL SYSTEMTS AND CG TERMINAL CIRCUITINSPECTION PROCEDURE

2007 Lexus ES 350

Inspection Procedure

2007 Lexus ES 350SECTION Inspection Procedure

NOTE: When replacing the brake actuator assembly, perform zero point 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

RESISTANCE SPECIFICATION

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

Fig 1: Identifying Skid Control ECU Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.

Standard resistance

RESISTANCE SPECIFICATION

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

Fig 2: Identifying CG Terminal Of DLC3

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

RESISTANCE SPECIFICATION

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

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 ).

Fig 3: Identifying TS Terminal Of DLC3

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE BRAKE ACTUATOR ASSEMBLY

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.