1. Measure the voltage at each terminal (other than terminal G).
2. Disconnect the negative battery cable.
3. Verify that continuity at terminal G is as indicated in the Terminal Voltage Table (Reference).
4. If the parts and wiring harnesses are normal but the system still does not work properly, replace the sunroof relay.
|
Terminal
|
Signal
|
Connected to
|
Test condition
|
Voltage (V)/Continuity
|
Inspection item
|
|---|---|---|---|---|---|
|
A
|
Slide open
|
Sunroof switch
|
Sunroof is fully opening.
|
B+
|
Sunroof switch (SeeSUNROOF SWITCH INSPECTION.)
|
|
Other
|
0
|
||||
|
B
|
Slide close/tilt down
|
Sunroof switch
|
Sunroof is closing/tilting down.
|
B+
|
Sunroof switch (SeeSUNROOF SWITCH INSPECTION.)
|
|
Other
|
0
|
||||
|
C
|
Tilt up
|
Sunroof switch
|
Sunroof is tilting up.
|
B+
|
Sunroof switch (SeeSUNROOF SWITCH INSPECTION.)
|
|
Other
|
0
|
||||
|
E
|
IG2
|
SUNROOF 7.5 A fuse
|
Turn the ignition switch to the ON position.
|
B+
|
SUNROOF 7.5 A fuse
|
|
G
|
GND
|
GND
|
Under any condition: Check for continuity to ground.
|
Continuity
|
GND
|
|
J
|
Power supply
|
SUNROOF 20 A fuse
|
Under any condition
|
B+
|
SUNROOF 20 A fuse
|