lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 8774 > < Initial Inspection and Diagnostic Overview|Page 8772
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(a) Disconnect the U45 ECU connector.
(b) Measure the voltage and resistance of the wire harness side connector.

Standard voltage:

Standard resistance:

NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- REPLACE MAYDAY ECU TOGETHER WITH MAYDAY BATTERY AND THEN PERFORM REGISTRATION

Initial Inspection and Diagnostic Overview|Page 8774 > < Initial Inspection and Diagnostic Overview|Page 8772