lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Information Bus|Description and Operation > < Diagram Information and Instructions|Page 4462
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a. When inserting tester probes into a connector, insert them from the rear of the connector.

b. Use a repair wire to check the connector if it is impossible to check continuity from the rear of the connector.

5. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE

NOTE:
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When disconnecting the negative (-) battery terminal, initialize the following system after the terminal is reconnected.

System Name
Power Window Control System
Sliding Roof System
Clearance Sonar System
Variable Gear Ratio Steering System

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Perform the RESET MEMORY (AT initialization) operation after replacing the automatic transmission assembly, engine assembly or ECM.

HINT:  RESET MEMORY cannot be completed by only disconnection of the battery terminal.

Information Bus|Description and Operation > < Diagram Information and Instructions|Page 4462