Isuzu Trooper (1996-2001 year) Electrical Manual - part 31

 

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Isuzu Trooper (1996-2001 year) Electrical Manual - part 31

 

 

71
BRAKE WARNING SYSTEM
HOT IN ON OR START
DASH
FUSE
BOX
“BRAKE”
WARNING
LIGHT
METER
ASSEMBLY
Meter
Assembly
See Dash
Fuse Box,
page 11-3.
Charging
System
See Ground
Distribution,
page 14-7.
BRAKE FLUID
LEVEL SWITCH
Closed with low
brake fluid level.
BLU/YEL
BLU/YEL
BLU/YEL
BLK/PNK
BLK/PNK
BLK/PNK
WHT/GRN
BLK/PNK
BLK/PNK
BLK
H-25
10
I-9
26
(S model)
15
I-9
H-24
3
C-15
2
C-15
1
H-25
15
3
B-27
PARKING
BRAKE
SWITCH
Closed with parking
brake applied.
C-10
METER
GAUGE
10A
SI8
SB13
C-16
(S model)
6
4
(S model)
4
7
Circuit Schematic
71-1
BRAKE WARNING SYSTEM
(Refer to Section 201 for photographs.)
Component
Photo No.
Brake Fluid Level Switch
Left rear of engine compartment
39
. . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dash Fuse Box
Behind left dash side trim panel
55
. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking Brake Switch
Below rear of center console
67
. . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connector
H-24 (18-YEL)
Below I/P, above left dash side trim panel, on bracket
70
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
H-25 (22-BLU)
Below I/P, above left dash side trim panel, on bracket
71
. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . .
I-9 (30-GRN)
On left top of meter assembly
53
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
C-16
Left rear corner of engine compartment, on inner fender panel
39
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . .
Circuit Operation
The “BRAKE” warning light goes on to alert the driver
that the parking brake is applied or that the brake fluid
level switch (ABS) is closed.
It also lights as a bulb test
when the engine is cranked.
Parking Brake Switch
With the starter switch in ON or START, battery voltage
is applied to fuse C-10 and to the “BRAKE” warning
light. When the parking brake is applied, the parking
brake switch closes and provides a ground for the light.
The “BRAKE” warning light goes on to remind the driver
that the parking brake is applied.
Brake Fluid Level Switch
With the starter switch in ON or START, battery voltage
is applied to fuse C-10 and to the “BRAKE” warning
light.
If the brake fluid is low, the brake fluid level switch
closes and provides a ground for the light. The
“BRAKE” warning light goes on to warn the driver of low
brake fluid level in the brake master cylinder. (Note:
check brake pad wear before adding fluid.)
Bulb Check
With the starter switch in START, battery voltage is
applied to the “BRAKE” warning light. The generator
will provide ground until the engine is running. The
“BRAKE” warning light goes on to test the brake
warning light bulb and then goes off.
See Charging
System for further details.
Component Location Index
OIL PRESSURE WARNING SYSTEM
Dash Fuse Box
Oil Pressure Sender Unit
Oil Pressure Switch
Component Location Index
72
OIL PRESSURE WARNING SYSTEM
HOT IN ON OR START
C-10
METER
GAUGE
10A
SB13
10
H-25
BLU/YEL
I-9
See Dash
Fuse Box,
page 11-3.
DASH
FUSE
BOX
BLU/YEL
BLU/YEL
Meter
Assembly
OIL
PRESSURE
WARNING
LIGHT
METER
ASSEMBLY
11
LT BLU
LT BLU
2
OIL PRESSURE
SWITCH
Closed with low
oil pressure.
E-1
LT BLU
(S model)
22
20
26
(S model)
15
I-9
H-5
S Model
OIL
PRESSURE
GAUGE
5
H-24
YEL/BLK
YEL/BLK
13
H-55
OIL
PRESSURE
SENDER
UNIT
E-2
19
YEL/BLK
2
BLK/PNK
I-9
(S model)
I-10
H-16
BLK/PNK
See Ground
Distribution,
page 14-8.
YEL
I-10
4
C-39
(S model)
19
21
Meter
Assembly
Circuit Schematic

 

 

 

 

 

 

 

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