Isuzu VehiCross: Electrical System Manual - part 19

 

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Isuzu VehiCross: Electrical System Manual - part 19

 

 

(Refer to Section 201 for photographs.)
Component
Photo No.
Dash Fuse Box
Behind left I/P side trim panel
36
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Tank Unit
Beneath rear of vehicle, in right front of fuel tank
89
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pressure Switch
Lower front of engine
8
. . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Powertrain Control Module
(PCM)
Behind front console
52
. . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
B-4 (7-WHT)
Behind left side of I/P, on rear of meter assembly
49
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
B-5 (16-WHT)
Behind left side of I/P, on rear of meter assembly
49
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
B-6 (2-YEL)
Behind left side of I/P, on rear of meter assembly
49
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
B-7 (10-WHT)
Behind left side of I/P, on rear of meter assembly
49
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
B-8 (16-BLK)
Behind left side of I/P, on rear of meter assembly
49
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . .
H-4 (16-BLU)
Left rear of engine compartment on bracket
15
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-13 (22-WHT)
Behind left side of I/P, above left kick panel on bracket
42
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
H-14 (22-BLU)
Behind left side of I/P, above left kick panel on bracket
42
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
H-16 (20-WHT)
In floor, below right front seat
66
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
C-46
Behind left kick panel
40
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Component Location Index
80-4
INDICATORS
The indicator lights are controlled by different condi-
tions set forth in their associated systems. See the
associated system for the indicator light circuit
description.
Low Fuel Warning Light
The powertrain control module (PCM) monitors the fuel
level by the resistance level in the fuel tank unit. The
PCM then uses this information to provide ground to the
low fuel warning light, illuminating it when the fuel level
is low.
Bulb Check
With the starter switch in ON or START, battery voltage
is applied through the METER fuse CB-4 to the indica-
tor lights. The generator will provide ground to the cir-
cuit until the engine is running. The lights go on to test
the light bulbs and then go off after the engine is started.
Circuit Operation
GAUGES
Component Index
Dash Fuse Box
Fuel Tank Unit
Powertrain Control Module (PCM)
Thermo Unit
YEL
YEL
See Dash
Fuse Box,
page 11-5.
GAUGES
Circuit Schematic
81
HOT IN ON OR START
CB-4
METER
15A
TACHOMETER
Solid-state:
Do not check
resistance.
DASH
FUSE
BOX
B-8
14
3
BLK/RED
16
E-19
1
YEL/BLK
15
YEL/BLK
H-4
11
YEL/BLK
THERMO
UNIT
ENGINE
COOLANT
TEMPERATURE
GAUGE
4
BLK
H-13
13
BLK
Indicators
A
BLK
From Meter
Assembly
on facing page.
B-8
C-46
H-13
17
BLK/RED
POWERTRAIN
CONTROL
MODULE
(PCM)
Solid State:
Do not check
resistance.
C-2
C10
RPM
output
BLK
B-8
B-5
YEL/BLK
Compressor
Controls
POWERTRAIN
CONTROL
MODULE (PCM)
Solid State:
Do not check
resistance.
Low fuel
output
Fuel level
output
Fuel level
input
Sensor
ground
GAUGES
Circuit Schematic
81-1
SPEEDOMETER
Solid State:
Do not check
resistance.
8
LT GRN/WHT
Vehicle
Speed
Sensor
(VSS)
METER
ASSEMBLY
FUEL
GAUGE
15
6
BLK
To splice on
facing page.
B-5
YEL/RED
18
H-14
YEL/RED
A
Indicators
PNK
C-1
C-1
ODO/TRIP
METER
B15
B16
GRY
D9
C-2
YEL/VIO
B5
C-1
GRY
Engine Controls,
Automatic
Transmission
Controls
6
YEL/VIO
3
GRY
FUEL
TANK
UNIT
F
E
FUEL
TANK
SENDER
2
1
H-16
F-5

 

 

 

 

 

 

 

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