1. Remove the headliner. (See HEADLINER REMOVAL/INSTALLATION.)
2. Connect the sunroof switch connector.
3. Measure the voltage at the sunroof relay terminals as indicated below.
4. Disconnect the sunroof relay connector before inspecting for continuity at terminal 1G
5. Connect the negative battery cable.
|
Terminal
|
Signal
|
Connected to
|
Test condition
|
Voltage (V)/Continuity
|
Action
|
|---|---|---|---|---|---|
|
1A
|
Tilt down
|
Sunroof switch
|
Sunroof is tilting down. (Not including position when fully closed)
|
0
|
• Inspect sunroof switch
• Inspect related harness
|
|
Other
|
B+
|
||||
|
1B
|
IG2
|
Sunroof motor
|
Ignition switch is at ON position.
|
B+
|
• Inspect A/C 15 A fuse
• Inspect sunroof switch
• Inspect related harness
|
|
Other
|
0
|
||||
|
1C
|
-
|
-
|
-
|
-
|
-
|
|
1D
|
Slide close
|
Sunroof switch
|
Sunroof is closing. (Including position when fully closed and open)
|
0
|
• Inspect sunroof switch
• Inspect related harness
|
|
Other
|
B+
|
||||
|
1E
|
-
|
-
|
-
|
-
|
-
|
|
1F
|
Slide open
|
Sunroof switch
|
Sunroof is fully opening.
|
0
|
• Inspect sunroof switch
• Inspect related harness
|
|
Other
|
B+
|
||||
|
1G
|
Sunroof relay ground
|
GND
|
Under any condition: inspect for continuity to ground.
|
Yes
|
• Inspect related harness
|
|
1H
|
Tilt up
|
Sunroof switch
|
Sunroof is tilting up. (Including position when fully closed)
|
0
|
• Inspect sunroof switch
• Inspect related harness
|
|
Other
|
B+
|
||||
|
2A
|
Slide close/tilt up
|
Sunroof motor
|
Sunroof is opening/tilting down.
|
0
|
• Inspect sunroof switch
• Inspect sunroof motor
(See SUNROOF MOTOR INSPECTION)
• Inspect related harness
|
|
Sunroof is closing/tilting up.
|
B+
|
||||
|
Other
|
0
|
||||
|
2B
|
Slide open/tilt down
|
Sunroof motor
|
Sunroof is opening/tilting down.
|
B+
|
• Inspect sunroof switch
• Inspect sunroof motor
(See SUNROOF MOTOR INSPECTION)
• Inspect related harness
|
|
Sunroof is closing/tilting up.
|
0
|
||||
|
Other
|
0
|