S80
SLIDING SUNROOF
Limit Switch
1. Remove the headliner. (See S96 HEADLINER REMOVAL/INSTALLATION.)
2. Verify the glass panel position.
3. Disconnect the connector.
4. Inspect for continuity between the sunroof motor terminals using an ohmmeter.
• If not as specified, replace the sunroof motor.
End Of Sie
SUNROOF RELAY INSPECTION
A6E774069873W01
Note
• Sunroof relay is built in the sunroof motor.
1. Remove the headliner. (See S96 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.
• If not as specified, inspect the parts listed under Action and the related wiring harnesses.
• If the parts and wiring harnesses are okay but the system still does not work properly, replace the sunroof
relay.
5. Connect the negative battery cable.
Terminal voltage list (Reference)
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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
(See S81 SUNROOF
SWITCH INSPECTION)
• 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
(See S81 SUNROOF
SWITCH INSPECTION)
• 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
(See S81 SUNROOF
SWITCH INSPECTION)
• Inspect related harness
Other B+
1E
A6E7740W019