SUNROOF MOTOR INSPECTION


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1.  Measure the voltage at each terminal.

•  If not as specified, inspect the parts listed under “Inspection item” and the related wiring harnesses.
―  If the parts and wiring harnesses are normal but the system still does not work properly, replace the sunroof motor.


Terminal Voltage Table (Reference)

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Terminal

Signal

Connected to

Test condition

Voltage (V)

Inspection item

A
Slide open
Sunroof switch
Sunroof is fully opening.
B+
•  Sunroof switch
•  Related wiring harness
Other
1.0 or less
B
Slide close/tilt down
Sunroof switch
Sunroof is closing/tilting down.
B+
•  Sunroof switch
•  Related wiring harness
Other
1.0 or less
C
Tilt up
Sunroof switch
Sunroof is tilting up.
B+
•  Sunroof switch
•  Related wiring harness
Other
1.0 or less
D
E
IG2
HEATER 10 A fuse
Switch the ignition ON.
B+
•  HEATER 10 A fuse
•  Related wiring harness
Other
1.0 or less
F
Vehicle speed
Instrument cluster
Pulse signal
•  Instrument cluster
•  Related wiring harness
G
GND
GND
Under any condition
1.0 or less
•  Related wiring harness
•  GND
H
Communication signal
BCM
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible.
•  BCM
•  Related wiring harness
I
J
Power supply
SUNROOF 15 A fuse
Under any condition
B+
•  SUNROOF 15 A fuse
•  Related wiring harness