Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

CHECK WIRE HARNESS (DLC3 - SKID CONTROL ECU AND BODY GROUND)

Fig 1: Checking Wire Harness (DLC3 - Skid Control ECU And Body Ground)

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Disconnect the S7 ECU connector.

Measure the resistance of the wire harness side connectors.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
D1-12 (TS) - S7-12 (TS)	Below 1 Ω
D1-4 (CG) - Body ground	Below 1 Ω
S7-12 (TS) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE SKID CONTROL ECU