Isuzu Axiom: Electrical System Manual - part 35

 

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Isuzu Axiom: Electrical System Manual - part 35

 

 

(Refer to Section 201 for photographs.)
Component
Photo No.
Dash Fuse Box
Behind left I/P side trim panel
42
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Link Connector (DLC)
C-39
(16-BLK)
Below left side of I/P, near engine hood release
45
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Tank Unit
On top of the fuel tank
. . . . . . . . . . . . . . . .
Meter Assembly
Left side of I/P
55
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Multi-plexed Indicator
Control Unit
Under rear of console
72
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pressure Switch
Bottom center of engine
34
. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Powertrain Control Module
(PCM)
Left side of engine compartment
26
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
E-1 (1-BLK)
Bottom center front of engine
34
. . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
F-1 (4-BLK)
Top of fuel tank
. . . . . . . . . . . . . . . . . . .
H-4 (52-GRY)
Left side of engine compartment
31
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-6 (16-BLK)
Left side of engine compartment
31
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-9 (20-BLU)
Behind left kick panel
47
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-10 (22-BLK)
Behind left kick panel
46
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-15 (22-WHT)
Behind left kick panel
47
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-16 (16-WHT)
Behind left kick panel
46
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
H-19 (22-WHT)
Below driver’s seat
56
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I-22 (14-GRN)
Top of meter assembly
54
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I-23 (16-GRN)
Top of meter assembly
54
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I-24 (30-GRN)
Top of meter assembly
54
. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
B-9
Under center console
71
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The indicator lamps are controlled by different conditions
set forth in their associated systems. See the associated
system for the indicator lamp circuit description.
Low Fuel Warning Lamp
The powertrain (A/T) 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
through the multi-plexed indicator control unit
to the
low fuel warning lamp, illuminating it when the fuel level is
low.
Bulb Check
With the starter switch in ON or START, battery voltage
is applied through the C-11 METER fuse to the indicator
lamps. The generator will provide ground to the circuit
until the engine is running. The lamps go on to test the
light bulbs and then go off after the engine is started.
Circuit Operation
80Ć5
INDICATORS
Component Location Index
GAUGES
Component Index
Auto A/C Control Unit
Dash Fuse Box
Engine Coolant Temperature (ECT) Sensor
Fuel Tank Unit
Fuse/Relay Box
Meter Assembly
MID Control Unit
Powertrain Control Module (PCM)
YEL
YEL
See Dash
Fuse Box,
page 11-3.
GAUGES
Circuit Schematic
81
HOT IN ON OR START
C-11
METER
15A
TACHOMETER
Solid-state:
Do not check
resistance.
DASH
FUSE
BOX
I-24
Connector
6
BLK/RED
30
1
WHT/BLK
4
WHT/BLK
H-4
Connector
4
WHT/BLK
ENGINE
COOLANT
TEMPERATURE
(ECT) SENSOR
ENGINE
COOLANT
TEMPERATURE
GAUGE
16
BLK
H-10
Connector
16
BLK
Indicators
See Ground
Distribution,
page 14-5.
I-23
Connector
C-26
BLK
H-10
Connector
3
BLK/RED
POWERTRAIN
CONTROL MODULE
(PCM)
Solid State:
Do not check
resistance.
E-34
Connector
7
RPM
output
BLK
I-24
Connector
H-4
Connector
39
BLK/RED
I-20
Connector
4
AUTO A/C
CONTROL UNIT
Solid State:
Do not check
resistance.
BLK
E-11
Connector
2
BLU/
RED
YEL/BLK
POWERTRAIN
CONTROL MODULE
(PCM)
Solid State:
Do not check
resistance.
ECT output
Sensor
ground
ECT
input
47
E-35
Connector
74
53
Engine
Controls
Page 24-3
YEL/BLK
Intelligent
Suspension
System
Page 38-1
Torque On
Demand (T.O.D)
System
Page 37
BLK/RED
BLK/RED
H-10
Connector
WHT/BLK
WHT/BLK
BLK
14
E-34
Connector
ECT
input
POWERTRAIN
CONTROL MODULE
(PCM)
Solid State:
Do not check
resistance.
Fuel level
output
Fuel level
input
Sensor
ground
GAUGES
Circuit Schematic
81 1
SPEEDOMETER
Solid State:
Do not check
resistance.
7
BLK/YEL
Vehicle
Speed
Sensor
(VSS)
Page 33
METER
ASSEMBLY
FUEL
GAUGE
12
BLK
I-23
Connector
YEL/RED
2
H-10
Connector
YEL/
RED
E-35
Connector
ODO/TRIP
METER
48
10.1
W
BLU/YEL
60
ORN/GRN
BLU/YEL
17
*2
1
ORN/GRN
ORN/GRN
11
BLU/YEL
BLU/YEL
H-9
Connector
FUEL
TANK
UNIT
F
E
FUEL
TANK
SENDER
3
2
HOT AT ALL TIMES
EB-13
PCM BACKUP
10A
FUSE/
RELAY
BOX
RED/WHT
11
H-10
Connector
I-24
Connector
13
See Power
Distribution,
page 10-1.
RED/WHT
YEL/RED
36
H-4
Connector
*3
2
11
12
H-4
Connector
ORN/
GRN
BLU/
YEL
H-19
Connector
F-1
Connector
RED/WHT
MID
CONTROL
UNIT
6
YEL/RED
CPU
I-13
Connector
3
I-22
Connector
I-24
Connector
50
E-35
Connector
*
=
Without Intelligent
Suspension Control
System

 

 

 

 

 

 

 

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