PREPARATION
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.

Commercial Service Tool

Precaution
Periodic maintenanceReclining switch
Description
Reclining switch is equipped to the power seat switch LH on the seat frame.
The operation signal is input to the driver seat control unit when the
reclining switch is operated.
Component Function Check
1.CHECK FUNCTION
Select "RECLN SW-FR", "RECLN SW-RR" in "DATA MONITOR" mode ...
P1612 chain of ECM-IMMU
Description
BCM performs the ID verification with ECM that allows the
engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGIC ...
Composite image signal circuit
Description
AV control unit transmits the playback DVD image signal and AUX image signal
to the display unit.
Diagnosis Procedure
1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect AV control unit connector M163 and display unit
connector
M142 ...