LS 460 AWD V8-4.6L (1UR-FSE) (2009)
(a) Disconnect the O3 ECU connector.
(b) Measure the voltage and resistance of the wire harness side connector.
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If the result is not as specified, there may be a malfunction on the wire harness side.
(c) Reconnect the O3 ECU connectors.
(d) Measure the voltage of the connector.
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If the result is not as specified, the ECU or door sunshade may have a malfunction.
Rear Sunshade System
INTERIOR: REAR SUNSHADE SYSTEM: TERMINALS OF ECU
TERMINALS OF ECU
1. CHECK LUGGAGE ROOM JUNCTION BLOCK (REAR JUNCTION BLOCK ECU)