Lexus SC300 / Lexus SC400. Manual — part 167
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BODY ELECTRICAL SYSTEM
Power Seat Control System (Driver’s Seat)
BE–281
Location of Connectors in Seat
BE–282
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BODY ELECTRICAL SYSTEM
Power Seat Control System (Driver’s Seat)
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BODY ELECTRICAL SYSTEM
Power Seat Control System (Driver’s Seat)
BE–283
CIRCUIT INSPECTION
+B Power Source Circuit
CIRCUIT DESCRIPTION
This is the power source for motors such as the slide motor and reclining motor.
DIAGNOSTIC CHART
DIAGNOSTIC CHART
Check Door fuse.
NG
Check for short in all harness and
components connected to the
DOOR fuse (See attached wiring
diagram).
Check voltage between terminals +B, +B2
and GND of ECU connector.
OK
OK
Proceed to next circuit inspection
shown on matrix chart (See page
Check continuity between terminal GND
of ECU connector and body ground.
NG
NG
Repair or replace harness or
connector.
OK
Check and repair harness or connector
between ECU and battery.
WIRING DIAGRAM
BE–284
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BODY ELECTRICAL SYSTEM
Power Seat Control System (Driver’s Seat)
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