Opel Frontera UBS. Service manual — part 2825
8D–500
WIRING SYSTEM
Circuit Diagram (LHD)
D08RW948
H
H
H
K
K
B-29
ST
AR
TER SW
(IG2)
1.25
GR
0.85
GR/L
0.85
W
0.85
Y/V
0.85
W/R
0.85
B
2.0
B
0.85
GR
3.0
B/R
C-2 15A
SEA
T
HEA
TER
SEA
T
HEA
TER SW
-LH
2
3
B-29
4
B-29
1
B-29
5
H-57
2
H-57
B
A
H
H
H
K
K
B-31
0.85
L/G
0.85
W
0.85
Y/G
0.85
W/R
0.85
B
0.85
B/W
0.85
B
SEA
T
HEA
TER SW
-RH
SEA
T
HEA
TER-LH
2
3
B-31
SEA
T
CUSHION
SEA
T
BACK
4
B-31
1
B-31
5
H-58
2
H-58
D
C
B-2
BODY
-RH
2.0
B
B-26
BODY
-CTR
2.0
B
B-18
BODY
-LH
T-
8
4
H-57
3
3
T-
8
1
T-
8
0.85
W
0.85
W/R
A
B
0.85
B/W
0.85
B
SEA
T
HEA
TER-RH
SEA
T
CUSHION
SEA
T
BACK
T
-10
4
H-58
3
3
T
-10
1
T
-10
0.85
W
0.85
W/R
C
D
WIRING SYSTEM
8D–501
Parts Location (LHD)
D08RW992
Legend
(1) B-26
(2) B-18
(3) T-8
(4) Fuse Box
(5) H-46
(6) B-31
(7) B-29
(8) H-47
(9) T-10
(10) Relay and Fuse Box
(11) B-2
3
1
4
5
6
7
8
9
10
2
11
8D–502
WIRING SYSTEM
Trouble mode
Check point
Seat heater on both sides does not heat up
Seat heater on the driver (or passenger)
side does not heat up
Heat (or keep) position does not heat up
1.
2.
3.
Fuse C-2
(15A)
Seat heater SW
Driver side
Passenger
side
Heat unit
Driver side
Passenger
side
Cable
harness
YES
REPLACE THE FUSE
NO
•
IS FUSE C-2 (15A) NORMAL?
IS B-26 GROUNDED SECURELY?
YES
GROUND IT SECURELY
NO
•
REPAIR A POOR CONNECTION AT THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN C-2 (15A) AND 2 B-29
(2 B-31 )
Diagnosis
Quick Chart for Check Points
1.
Seat Heater on Both Sides Does Not Heat Up
WIRING SYSTEM
8D–503
YES
REPAIR A POOR CONNECTION AT
THE CONNECTORS OR AN OPEN
CIRCUIT IN THE CIRCUIT
NO
•
•
•
DISCONNECT THE SEAT HEATER SWITCH CONNECTOR
TURN THE STARTER SWITCH “ON”
IS THE BATTERY VOLTAGE APPLIED BETWEEN THE SEAT
HEATER SW HARNESS SIDE CONNECTOR 2 B-29
(OR 2 B-31 ) AND THE GROUND?
•
IS THE SEAT HEATER SW FUNCTION NORMAL?
YES
REPLACE THE SEAT HEATER SW
NO
•
•
DISCONNECT THE HEAT UNIT CONNECTOR
IS THERE ANY CONTINUITY BETWEEN THE HEAT UNIT
CONNECTOR 1 T-8 , 3 T-8 AND 4 T-8 (OR 1 T-10 ,
3 T-10 AND 4 T-10 )
YES
REPLACE THE HEAT UNIT
NO
REPAIR A POOR CONNECTION AT THE CONNECTORS OR AN OPEN
CIRCUIT BETWEEN 1 B-29 AND 1 T-8 , 4 B-29 AND 3 T-8 ,
4 T-8 AND GROUND (OR 1 B-31 AND 1 T-10 , 4 B-31 AND
3 T-10 , 4 T-10 AND GROUND)
YES
REPLACE THE SEAT HEATER SW
NO
•
IS THE SEAT HEATER SW FUNCTION NORMAL?
REPLACE THE HEAT UNIT
2.
Seat Heater on The Driver (Or Passenger) Side Does Not Heat Up
3.
Heat (Or Keep) Position Does Not Heat Up
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