SUNROOF MOTOR INSPECTION

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1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Remove the front map light. (with sunglasses holder) (See FRONT MAP LIGHT REMOVAL/INSTALLATION.)

3.  Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

4.  Measure the voltage at each terminal.

•  If the voltage is not as specified in the terminal voltage table, inspect the parts under Inspection item (s) and related wiring harnesses.
?  If the system does not work normally even though the inspection items or related wiring harnesses do not have any malfunction, replace the sunroof motor. (See SUNROOF MOTOR REMOVAL/INSTALLATION.)


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 opening
B+
•  Sunroof switch
Other
1.0 or less
B
Slide close/tilt down
Sunroof switch
Sunroof is closing / tilting down
B+
•  Sunroof switch
Other
1.0 or less
C
Tilt up
Sunroof switch
Sunroof is tilting up
B+
•  Sunroof switch
Other
1.0 or less
E
IG1
C/U IG1 15A fuse
Switch the ignition ON (engine on or off)
B+
•  C/U IG1 15A fuse
Other
1.0 or less
F
vehicle speed
Instrument cluster
Because this terminal is for communication, integrity determination by terminal voltage is not possible
I
GND
GND
Under any condition
1.0 or less
•  Body ground
J
Power supply
SUNROOF 10A fuse
Under any condition
B+
•  SUNROOF 10A fuse