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Home >> Lexus >> 2010 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> Gateway ECU Communication Stop Mode
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Gateway ECU Communication Stop Mode





CAN COMMUNICATION: CAN COMMUNICATION SYSTEM: Gateway ECU Communication Stop Mode
- Gateway ECU Communication Stop Mode

DESCRIPTION





WIRING DIAGRAM





INSEPCTION PROCEDURE

PROCEDURE

1. CHECK CAN BUS LINE FOR DISCONNECTION

(a) Disconnect the G3 gateway ECU connector.





(b) Measure the resistance of the wire harness side connector.

Standard resistance:





NG -- REPAIR OR REPLACE GATEWAY ECU SUB BUS LINE AND CONNECTOR
OK -- Continue to next step.

2. CHECK WIRE HARNESS (GATEWAY ECU - BATTERY AND BODY GROUND)

(a) Disconnect the G3 gateway ECU connector.





(b) Measure the resistance of the wire harness side connector.

Standard resistance:





(c) Measure the voltage of the wire harness side connector.

Standard voltage:





NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR

OK -- REPLACE GATEWAY ECU
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