fuse ISUZU TROOPER 1995 Workshop Manual

RADIO 9A-1
ACCESSORIES
Radio .................................................. .
Parts Location ..............................•...........
Circuit Diagram ......•.................................
Antenna ....•......................................•........
Auto Antenna ......................................... .
PARTS LOCATION
AUDIO
AUTO ANTENNA
AUTO ANTENNA MOTOR
CONTENTS
9A Cruise control ................................... ..
SECTION 9A
RADIO
CONTENTS
9A-1
9A-2
9A-4
9A-4 Antenna
Mast ........ ~ ................................. .
Rod Type Antenna .................................. .
Tweeter
Assembly .................................. .
lWEETER (LH)
98
9A-5
9A-6
9A·7
RR SPEAKER !RH) ----~ RR SPEAKER (lHl
BATTERY lWEETER (RH)
FRT SPEAKER (LHl
FUSE BOX (C-11, C-12, C-17)
Fig. 9A-1
•

, cCi" <0 CD I ....
( (
1-10
CRUISE CONTROL SW,
CRUISE
CANSEL SW,
!COMBINATION
SWl
VEHICLE
SPEED
SENSOR
!METER}
i
CRUISE MAIN, AUTO CRUISE
INDICATOR LIGHT
CLUTCH
PEDAL
IM[T)
~
. //
BRAKE PEDAL
~~
RELAY &
FUSE BOX
B-2
vi"""
(FL-1
FL-2}
C-3g\j;~
PUMP&VSV
RELAY:
CRUISE
MAIN BATTERY--
/
H-41
··,.
,:-,
\
·.,"-
~DIODE
8-45
'"-FUSE
BOX IC-3, C-4, C-10,
C-14)
CRUISE
CONTROL
MAIN
SW
(
~ ~ 0 n ~ 0 z
n ::D c c;; m n 0 ~ 0 r-fD OJ I w

98-8 CRUISE CONTROL
QUICK CHART FOR POSSIBLE CAUSE
1. Cruise control inoperative
CHECK POINTS POSSIBLE CAUSE
Fuse C-4 (10A) Burned out
Cruise control main relay Defective circuit inside relay
Main switch
Contact point does not switch to ON
SET/COAST SW Contact point does not switch to ON
Clutch switch (M/T)
Contact point does not switch to ON
Brake switch Normal close side of point does not switch to ON
Pump & VSV Defective valve or vacuum pump (inoperative)
Vehicle speed sensor Open or short circuit
Vacuum hose Disconnected, Bent, Crack, Crush
Actuator Restriction
or out of link
Cable
harness Disconnected connector, Open circuit
Cruise
control unit Defective circuit inside control unit
2. Cruise speed unstable
CHECK POINTS POSSIBLE CAUSE
Vehicle
speed sensor Open or short circuit
Vacuum hose
Disconnected, Bent, Cracked, Crushed
Pump & VSV Defective valve (leakage)
Actuator Restriction,
defective or disconnected
Cruise
control unit Defective circuit inside control unit
Accelerator cable
Incorrect free play of accelerator pedal COUNTERMEASURE
Replace
Replace
Repair or replace
Refer to cruise control
SW
inspection
Refer
to clutch SW
inspection
Refer
to brake SW
inspection
Replace
Refer to speedometer
inspection
Repair
or Replace
Repair or Replace
Repair
Replace
COUNTERMEASURE
Refer to speedometer
inspection
Repair
or Replace
Replace
Repair or Replace
Replace
Readjust
•

98-10 CRUISE CONTROL
7. Cruise control does not cancel
CHECK POINTS POSSIBLE CAUSE COUNTERMEASURE
Clutch switch Point does not switch to OFF Replace
Brake switch
Normal close point does not switch to OFF Replace
Normal open point does not switch to ON
Mode switch Point does not switch to OFF Repair or replace
Cruise control unit
Defective citcuit inside control unit Replace
Transmission Control Open circuit for TCM or defective circuit inside Refer to Section
7 A 1
Module (TCM) control unit
8. Cruise control does not operate to kick down from 0/D to 3rd, when cruising speed is less than
approximately 3 mph or more from preset speed (A/T)
CHECK POINTS POSSIBLE CAUSE COUNTERMEASURE
TCM Defective circuit inside TCM Refer
to Section 7 A 1
Cable harness Open circuit for TCM
Repair
9. Indicator light does not light
CHECK POINTS POSSIBLE CAUSE COUNTERMEASURE
Fuse
C-10 (10A) Burned out Replace
Indicator
bulb Bulb filament burned out Replace
Cable
harness Disconnected connector, Open circuit Repair
Cruise
control unit Defective circuit inside control unit Replace
..

CRUISE CONTROL 98-11
1. CHECKING PROCEDURE OF THE CRUISE CONTROL
POWER CIRCUIT
(CHART 1)
TURN THE STARTER SWITCH AND THE CRUISE
CONTROL MAIN SWITCH ON.
• IS THERE ANY BATTERY VOLTAGE APPLIED BETWEEN THE HARNESS SIDE CONNECTORS
sl B-9IAND 9IB-91?
• IS THERE ANY BATTERY VOLTAGE APPLIED
BETWEEN THE FUSE C-4 (10Al AND THE
GROUND?
• DISCONNECT THE CONNECTOR OF THE CRUISE
CONTROL MAIN SWITCH.
• IS THERE ANY BATTERY VOLTAGE APPLIED
BETWEEN THE SWITCH HARNESS SIDE
CONNECTOR a [I§] AND THE GROUND?
CONTINUED ON FOLLOWING PAGE
REPAIR A POOR CONNECTION OF THE CONNECTORS OR AN OPEN CIRCUIT BETWEEN THE STARTER
SWITCH
AND THE FUSE.

98-12 CRUISE CONTROL
CONTINUED FROM PREVIOUS PAGE
~ $
• IS THE CONTINUITY IN THE CRUISE CONTROL .I REPAIR A POOR CONNECTION OF THE CONNECTORS MAIN SWITCH NORMAL? OR AN OPEN CIRCUIT BETWEEN THE FUSE C-4 (10Al
AND B[E[].
~ $
• REMOVE THE CRUISE MAIN RELAY. REPAIR OR REPLACE THE SWITCH.j
• IS THE RELAY NORMAL?
~ $
• IS THERE ANY BATTERY VOLTAGE APPLIED
REPAIR OR REPLACE THE RELAY. I BETWEEN THE CRUISE MAIN RELAY HARNESS
SIDE CONNECTOR 2IX-20I AND GROUND?
~ $
• REINSTALL THE CRUISE CONTROL MAIN SWITCH. REPAIR A POOR CONNECTION OF THE CONNECTORS
• IS THERE ANY BATTERY VOLTAGE APPLIED OR AN OPEN CIRCUIT BETWEEN THE FUSE C-4 (10AI
BETWEEN 1IX-20I AND THE GROUND? AND 2IX-20 I.
~ $
• IS THERE CONTINUITY BETWEEN THE HARNESS
REPAIR A POOR CONNECTION OF CONNECTORS OR SIDE CONNECTORS 4IX-20 I AND 7 [§)? AN OPEN CIRCUIT BETWEEN 9[ill 16[W I AND 1IX-20I
CONTINUED ON FOLLOWING PAGE
..

-·
• DISCONNECT THE BRAKE SWITCH CONNECTOR. • IS THERE ANY BETTERV VOLTAGE APPLIED
BETWEEN THE SWITCH HARNESS SIDE
CONNECTOR 1 [ill] AND THE GROUND?
• IS THE CONTINUITY OF THE BRAKE SWITCH NORMAL?
• IS THERE CONTINUITY BETWEEN THE HARNESS
SIDE CONNECTOR TERMINALS 51 B-91 AND 91 B-91?
CRUISE CONTROL 98-15
REPAIR A POOR CONNECTION OF THE CONNECTORS OR AN OPEN CIRCUIT BETWEEN THE FUSE C-14 (15Al
AND
1IB-13i.
REPAIR A POOR CONNECTION OF THE
CONNECTORS OR AN OPEN CIRCUIT BETWEEN
4 ~ANDs[[9].

98-20 CRUISE CONTROL
@ INSPECTION OF THE MODE SWITCH, CANCEL SWITCH (A/T), CLUTCH
SWITCH
(M/T) AND THE CIRCUIT
• IS THE FUSE C-3 IA/TI OR C-4 IMfTI NORMAL?
• DISCONNECT THE CONNECTOR OF THE MODE SW (CLUTCH SWITCH).
• IS THERE BATTERY VOLTAGE APPLIED
BETWEEN THE HARNESS SIDE CONNECTOR SIC-431 121 B-1611 AND THE GROUND WHEN STARTER SWITCH IS ON?
• IS THE CONTINUITY IN THE MODE SWITCH !CLUTCH SW) NORMAL?
•
DISCONNECT THE CONNECTOR OF THE CANCEL SWITCH.
• WHEN IN THE FOLLOWING CONDITIONS, IS THERE BATTERY VOLTAGE APPLIED BETWEEN THE
SWITCH HARNESS SIDE CONNECTOR 121 B-521 AND THE GROUND?
(A/T): WHEN THE MODE SWITCH IS EITHER AT "D",
"3", "2" OR "L" POSITION. (MfTI: WHEN THE CLUTCH PEDAL RELEASED.
CONTINUED ON FOLLOWING PAGE
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN THE FUSE C-3 I 15A) AND 51 C-431, OR THE FUSE C-4 (10AI AND 21 B-161.
..

CRUISE CONTROL 9B-27
6. CRUISE INDICATOR LIGHT DOES NOT LIGHT (CHART 6)
• DOES THE CURISE CONTROL FUNCTION NORMALLY?
• DISCONNECT THE CONNECTOR OF THE INDICATOR
BOX.
•
TURN THE STARTER SWITCH ON.
• IS THERE A BATIERY VOLTAGE APPLIED BETWEEN
THE
HARNESS SIDE CONNECTOR 3 (EIT] AND THE
GROUND?
• RECONNECT THE CONNECTOR OF THE INDICATOR BOX
• IS THERE BATIERY VOLTAGE APPLIED
BETWEEN 11 B-91 AND THE GROUND?
CHECK THE CRUISE CONTROL SYSTEM. (REFER
TO CHARTS 1, 2, 3 AND 4.)
REPAIR A POOR CONNECTION OF THE CONNECTOR OR AN OPEN CIRCUIT BETWEEN THE FUSE C-10
(10A) AND 3 [Ej1].
•
REPAIR A POOR CONNECTION OF THE CONNECTORS
OR AN OPEN CIRCUIT BETWEEN 4[f"j]JAND 11 B-9 I.

(
PASSENGER
INFLATOR
MODULE
RELAY
& FUSE
BOX
(FL-l,FL-2) BATTERY
FORWARD
SENSOR
IRH)
(
(
SRS
COIL
ASSEMBLY
DRIVER
INFLATOR
MODULE
FUSE
BOX
(C-1,C-21,C-22,C-23,C-24)
CONDENSOR
(A/C)
t/) :::0 t/) 0 0 s:: "tJ 0 z m z -1 )> z c == -:::0 -z C) r-0 0 ~ -0 z
< -m ==
en c "tJ
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