Opel Frontera UBS. Service manual — part 2719
8D–76
WIRING SYSTEM
Circuit Diagram (LHD 4JG2)–2
D08RY00086
X-17
5
4
P-8
1
H-3
2
H-2
1
H-2
2
H-13
3
X-17
3
H-3
2
C-39
3
P-8
IG
2
P-8
S
L
P-9
B
3
X-17
2
X-17
E
E
HEA
TER &
A/C
RELA
Y
B-36
BLOWER
MOT
OR
A/C THERMO
RELA
Y(2)
B-36
1.25
B
0.3
B
1
3
B-36
FENDER-RH
B-19
BODY
-LH
3.0
B/Y
0.85
B/Y
0.85
B/Y
0.85
W/G
0.5
B
0.5
B
0.5
B
CHARGE
RELA
Y
A/C
GENERA
T
O
R
0.85
W/G
0.85
B/Y
0.85
B/Y
2.0
W/B
3.0
W/B
0.85
W/G
0.85
W/L
5.0
W
5.0
W
5.0
W
5.0
W
5.0
W
3.0
W
3.0
L/R
3.0
L
0.5
BR
5.0
W
ST
AR
TER SW
(IG1)
C-8 15A
ENGINE
3.0
L/B
0.5
O/G
0.5
O/G
ST
AR
TER SW
(IG1)
C-1
1 10A
AUDIO(ACC)
C-19 25A
BLOWER
C-20 10A
AIR CON
1
H-3
X-17
CHARGE
W
ARNING
LIGHT
(METER)
QOS III
CONTROL
UNIT(6)
OR
QOS/EGR
CONTROL
UNIT(18)
1
B
A
2
4
B-36
1
H-14
WIRING SYSTEM
8D–77
Parts Location (LHD 4JG2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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Legend
(1) B-22
(2) B-18, B-19
(3) Fuse Box (B-36)
(4) P-4
(5) H-6
(6) P-2
(7) H-43
(8) H-2
(9) H-3
(10) Relay and Fuse Box (X-17)
(11) C-56, C-57
(12) C-39
(13) H-13, H-14, H-16
(14) P-8
(15) P-9
(16) E-35
8D–78
WIRING SYSTEM
Powertrain Control Module (PCM)
General Description
The Powertrain Control Module (PCM) is located in
the passenger compartment.
The PCM constantly monitors the information from
various sensors, and controls the systems that affect
vehicle performance.
The PCM performs the diagnostic function of the
system. It can recognize operational problems, alert
the driver through the Malfunction Indicator Light
(MIL) and store a Diagnostic Trouble Code (DTC) or
DTC(s) which identify the problem areas to aid the
technician in making repairs.
The PCM is designed to process the various input
informations and then sends the necessary
electrical responses to control fuel delivery, spark
timing and other emission control systems. The
input information has an interrelation to more than
one output, therefore, if the one input failed, it could
affect more than one system operation.
Refer to Driveability and Emission in Engine section
and Automatic Transmission in Transmission
section.
WIRING SYSTEM
8D–79
Circuit Diagram (RHD 6V*1)–1
PCM : POWERTRAIN CONTROL MODULE
1.25
W
1.25
W
2.0
W
BATT.(+)
2.0
W
0.5
R/L
C-1
8
H-41
C-2
1
E-26
2
8
H-4
B
A
0.85
B/Y
C
B
E-26
FUEL
INJECTOR
FL-3 30A
PCM
NO.1
0.5
R/L
C-2
1
E-11
2
7
H-4
E-11
NO.2
0.5
R/L
C-3
1
E-25
2
6
H-4
E-25
NO.3
0.5
R/L
C-2
1
E-12
2
5
H-4
E-12
NO.4
0.5
R/L
C-3
1
E-24
2
12
H-4
E-24
NO.5
0.5
R/L
0.5
G/O
0.5
G/W
0.5
G
0.5
G/R
0.5
G/B
0.5
G/Y
0.85
G/O
0.85
G/W
0.85
G
0.85
G/R
0.85
G/B
0.85
G/Y
1.25
R/L
1.25
R/L
1.25
R/L
1.25
R/L
1.25
R/L
2.0
W
C-2
1
E-13
2
11
H-4
H-4
16
10
X-12
2
H-42
4
X-12
E-13
NO.6
C-3
C-3
P C M
D3
D1
F13
C1
F15
C3
E16
F16
A4
PCM MAIN
RELAY
0.5
B
FENDER-RH
3.0
B/Y
STARTER SW
(IG1)
0.85
B/Y
0.85
B/Y
X-12
1
19
H-15
3
X-12
C-8 15A
ENGINE
C-39
7
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