SUNROOF MOTOR INSPECTION

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1.  Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR 1.5, MZR 1.6].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.0 DISI i-stop].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo].)(See BATTERY REMOVAL/INSTALLATION [MZR-CD 2.2].)(See BATTERY REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)(See BATTERY REMOVAL/INSTALLATION [MZ-CD 1.6].)

2.  Remove the rain sensor cover. (Vehicles with auto light/wiper system) (See RAIN SENSOR REMOVAL/INSTALLATION.)

3.  Disconnect the rain sensor connector. (Vehicles with auto light/wiper system)

4.  Partially peel back the seaming welts.

5.  Remove the following parts:

(1)  Sunroof seaming welt
(2)  A-pillar trim (See A-PILLAR TRIM REMOVAL/INSTALLATION.)
(3)  Front scuff plate (See FRONT SCUFF PLATE REMOVAL/INSTALLATION.)
(4)  Rear scuff plate (See REAR SCUFF PLATE REMOVAL/INSTALLATION.)
(5)  B-pillar lower trim (See B-PILLAR LOWER TRIM REMOVAL/INSTALLATION.)
(6)  Upper anchor of the front seat belt (See FRONT SEAT BELT REMOVAL/INSTALLATION.)
(7)  B-pillar upper trim (See B-PILLAR UPPER TRIM REMOVAL/INSTALLATION.)
(8)  Rear seat cushion (See REAR SEAT CUSHION REMOVAL/INSTALLATION.)
(9)  Tire house trim (See TIRE HOUSE TRIM REMOVAL/INSTALLATION.)
(10)  Trunk side upper trim (5HB) (See TRUNK SIDE UPPER TRIM REMOVAL/INSTALLATION.)
(11)  C-pillar trim (See C-PILLAR TRIM REMOVAL/INSTALLATION.)
(12)  Map light (See MAP LIGHT REMOVAL/INSTALLATION.)
(13)  Sunvisor (See SUNVISOR REMOVAL/INSTALLATION.)
(14)  Assist handle (See ASSIST HANDLE REMOVAL/INSTALLATION.)
(15)  Headliner (See HEADLINER REMOVAL/INSTALLATION.)

6.  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