Opel Frontera UBS. Service manual — part 2823
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8D–492
WIRING SYSTEM
Parts Location (LHD)
Legend
(1) S-5
(2) S-4
(3) S-3
(4) S-2
(5) B-18
(6) H-23
(7) Fuse Box (B-37)
(8) B-1
(9) Relay and Fuse Box
(10) H-21
(11) H-45
(12) L-1
D08RW388
2
1
3
4
5
6
7
8
9
10
11
12
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WIRING SYSTEM
8D–493
Diagnosis
Quick Chart for Check Points
1. Sun roof does
not open
2. Sun roof does
not close
3. Safety stop mechanism
does not operate before
sun roof closes completely
4. Limit switch mechanism
does not operate before
sun roof open completely
5. Power source circuit
diagnosis
C/B-2
(30A)
Fuse
C-4
(15A)
Power
win-
dow
relay
Sun
roof
switch
Sun
roof
control
unit
Sun
roof
motor
Safety
stop
switch
Cable
har-
ness
Check point
Trouble mode
Limit
switch
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8D–494
WIRING SYSTEM
•
•
TURN THE STARTER SWITCH ON
IS BATTERY VOLTAGE APPLIED BETWEEN 2 S-4 AND
THE GROUND?
YES
•
IS B-2 (OR B-1 ) GROUNDED SECURELY?
REFER TO ITEM No. 5 “POWER SOURCE
CIRCUIT DIAGNOSIS” IN THIS DIAGNOSIS
NO
YES
•
IS THERE ANY CONTINUITY BETWEEN 3 S-5 - 1 L-1
(6 S-5 - 3 L-1 )?
REPAIR OR REPLACE THE SWITCH
NO
YES
IS THE SUN ROOF SWITCH NORMAL?
GROUND IT SECURELY
NO
•
YES
•
IS THERE ANY CONTINUITY BETWEEN 2 L-1 - B-2 (OR B-1 )?
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
YES
•
•
CONNECT THE BATTERY (+) TERMINAL TO THE SUN
ROOF MOTOR SIDE CONNECTOR TERMINAL 1 S-3
(2 S-3 ) AND THE (–) TERMINAL TO 2 S-3 (1 S-3 )
DOES THE MOTOR ROTATE?
NO
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
YES
•
IS THERE ANY CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR TERMINALS 1 S-3 - 2 S-3 ?
REPAIR OR REPLACE THE MOTOR
NO
YES
•
IS THERE ANY CONTINUITY BETWEEN 4 S-5 - B-2 (OR B-1 )?
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
A
1.
Sun Roof Does Not Open
2.
Sun Roof Does Not Close
![](/vehicle/goneen/quin/cui/llleevilisow.png)
WIRING SYSTEM
8D–495
YES
REPLACE THE CONTROL UNIT
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
A
•
IS THE CONTINUITY IN THE SAFETY STOP SWITCH
NORMAL?
YES
•
IS THERE ANY CONTINUITY BETWEEN 5 S-5 - 3 S-2 ?
REPAIR OR REPLACE THE SWITCH
NO
YES
REPAIR AN OPEN CIRCUIT BETWEEN 1 S-2 AND THE
GROUND OR GROUND IT SECURELY
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
•
IS THE CONTINUITY IN THE LIMIT SWITCH NORMAL?
YES
•
IS THERE ANY CONTINUITY BETWEEN 5 S-5 - 3 S-2 ?
REPAIR OR REPLACE THE SWITCH
NO
YES
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT IN THE CIRCUIT
NO
REPAIR A POOR CONNECTION OF THE CONNECTORS OR
AN OPEN CIRCUIT BETWEEN 1 S-2 - B-2 (OR B-1 )
3.
Safety Stop Mechanism Does Not Operate Before Sun Roof Closes Completely
4.
Limit Switch Mechanism Does Not Operate Before Sun Roof Open Completely
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