GS 460 V8-4.6L (1UR-FSE) (2008)
(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