fuse box ISUZU KB P190 2007 Workshop Service Manual

8A-30 ELECTRICAL-BODY AND CHASSIS
RELAY LOCATION

RELAY & FUSE BOX (CABIN)





RELAY
Connector No. B7 B8 B40
Relay name
REAR DEFOGGER POW ER W INDOW (NO RELAY)


BACK TO CHAPTER INDEX
TO MODEL INDEXISUZU KB P190 2007

ELECTRICAL-BODY AND CHASSIS 8A-31
FUSE AND SLOW BLOW FUSE LOCATION
RELAY & FUSE BOX (ENGINE ROOM)
RHD


FUSE ∗1 AUSTRALIA
ENGINE MODEL
FUSE NO. C24SE
HFV6 4JA1T (L) 4JJ1-TC/ 4JK1-TC
EB1 15A ECM
← 10A ACG (S)
←
EB2
 15A 02 SENS PRE
 10A ECM (B)
EB3 15A FRT FOG 10A ECM (B)
 10A F/PUMP

20A TRAILER ∗1
EB4 10A ACG (S)
10A TCM PIM B
 10A ENGINE
EB5 10A ILLUMI
10A H/L (RH) HI
← ←

10A H/L (RH) HI ∗1
EB6 10A H/L (LH) HI
← ← ←
EB7 10A H/L (RH) LOW
← ← ←
EB8 10A H/L (LH) LOW
← ← ←
EB9 20A F/PUMP 20A TRAILER
 20A TRAIKER
EB10 10A SENSOR   20A COND, FAN
EB11 10A TAIL (RH)
← ← ←
EB12 10A ILLUMI & TAIL-LH
← ← ←
EB13 10A A/C
← ← ←
EB14 10A 4W D
← ← ←
EB15 10A HORN
← ← ←
EB16 10A HAZARD
← ← ←

SLOW BLOW FUSE
ENGINE MODEL
FUSE NO. C24SE
HFV6 4JA1T (L) 4JJ1-TC / 4JK1-TC
SBF1 100A MAIN ←

80A MAIN 120A MAIN
SBF2

20A FRT FOG
40A ABS1 ←

SBF3 
60A RAD. FAN
20A ABS2 ←

SBF4 20A COND, FAN 20A F/PUMP
20A COND, FAN 40A ECM
SBF5 40A IG 1
←
← ←
SBF6 

30A BLOW ER ←
←
SBF7 20A FRT FOG
40A ABS1 20A FRT FOG ←

SBF8 30A BLOW ER
20A ABS2 50A GLOW 60A GLOW
SBF9
50A IG 2
60A IG 2 50A IG 2 60A IG 2



BACK TO CHAPTER INDEX TO MODEL INDEXISUZU KB P190 2007

8A-32 ELECTRICAL-BODY AND CHASSIS
FUSE AND SLOW BLOW FUSE LOCATION
RELAY & FUSE BOX (ENGINE ROOM)
LHD

FUSE ∗2 W ITH HEADLIGHTS LEVELING
ENGINE MODEL
FUSE NO. C24SE HFV6 4JH1-TC 4JA1T (L) 4JJ1-TC / 4JK1-TC
EB1 15A ECM 15A ECM 10A ACG (S)
← ←
EB2
 15A 02 SENS PRE
  10A ECM (B)
EB3
 10A ECM (B)
  10A F/PUMP
EB4 10A ACG (S) 10A TCM PIM B 10A ECM
 10A ENGINE
EB5
10A H/L (RH) HI ∗2 10A H/L (RH) HI
10A H/L (RH) HI ∗2 10A H/L (RH) HI
←
EB6
10A H/L (LH) HI ∗2 10A H/L (LH) HI
10A H/L (LH) HI ∗2 10A H/L (LH) HI
←
EB7 10A H/L (RH) 10A H/L (RH) LOW 10A H/L (RH) 10A H/L (RH)
LOW ←

10A H/L (RH) LOW
∗ 2
10A H/L (RH) LOW
∗ 2
EB8 10A H/L (LH) 10A H/L (LH) LOW 10A H/L (LH)
10A H/L (LH)
LOW ←

10A H/L (LH) LOW
∗ 2
10A H/L (LH) LOW ∗2
EB9 20A F/PUMP
   20A TRAILER
EB10 10A SENSOR
 20A COND FAN
 20A COND FAN
EB11 10A TAIL (RH)
← ← ← ←
EB12 10A ILLUMI & TAIL
LH ←
← ← ←
EB13 10A A/C
← ← ← ←
EB14 10A 4W D
← ← ← ←
EB15 10A HORN
← ← ← ←
EB16 10A HAZARD
← ← ← ←
SLOW BLOW FUSE
ENGINE MODEL
FUSE NO. C24SE
HFV6 4JH1-TC 4JA1T (L) 4JJ1-TC / 4JK1-TC
SBF1 100A MAIN ←

80A MAIN ←
120A MAIN
SBF2 

20A FRT FOG 40A ABS1 
40A ABS1
SBF3 

60A RAD. FAN 30A ABS2 20A ABS2
←
SBF4 20A COND, FAN 20A F/PUMP 30A ECM 20A CON FAN 40A ECM
SBF5 40A IG 1
←
← ←
←
SBF6 

30A BLOW ER ←
←
←
SBF7 20A FRT FOG 40A ABS1 20A FRT FOG ←

←
SBF8 30A BLOW ER 20A ABS2 60A GLOW 50A GLOW 60A GLOW
SBF9 50A IG 2
60A IG 2 50A IG 2
← 60A IG 2


BACK TO CHAPTER INDEX
TO MODEL INDEXISUZU KB P190 2007

ELECTRICAL-BODY AND CHASSIS 8A-33
FUSE LOCATION


RHD/LHD

FUSE
NO. Capacity Indication on label NO. Capacity Indication on label
C 1 10A STARTER C 1110A AUDIO
C2
  C
12 20A CIGAR/ACC SOCKET
10A TRAILER *3 C 13 15A AUDIO (+B)
C3 10A ELEC IG C 14 10A METER
C4 10A TURN C 15 15A STOP
C5 10A ABS/4WD C 16
 
C6 10A ENGINE C 17 10A ROOM
10A ECU *4 C19 10A METER (+B)
C7 15A TCM/IG COIL/ C2 120A DOOR LOCK
10A GLOW ENGINE *4 C22
 
C8 10A SRS 10A ANTI THEFT *5
C9 20A FRT WIPER
C10 15A BACKUP

SLOW BLOW FUSE
NO. Capacity Indication on label
C 18 20A RR DEF
C20 30A POWER WINDOW

FUSE BOX
*3 … HFV6 (AUSTRALIA)
*4 … HFV6
*5 … 4JJ 1-TC (EUROPE)



BACK TO CHAPTER INDEX
TO MODEL INDEXISUZU KB P190 2007

8A-34 ELECTRICAL-BODY AND CHASSIS
DIODE LOCATION


RELAY & FUSE BOX







DIODE
C24SE HFV6 4JH1-TC4JA1T (L) 4JJ1-TC/4JK1-TC
No. RHD LHD RHD LHD LHD RHD LHD RHD LHD
X16 ― ― DIODE VSV FICD DIODE
X17 ― ― ― ― DIODE





BACK TO CHAPTER INDEX TO MODEL INDEXISUZU KB P190 2007

ELECTRICAL-BODY AND CHASSIS 8A-161
2. High or low beam does not light on both headlights

Checkpoint Trouble Cause Countermeasure


Repair or replace the
combination switch

Dimmer ⋅passing switch
continuity

Poor switch contact or switch
faulty

NG

Repair open circuit or
connector contact
Voltage between
4
X4 - ground and
4
B60 - ground

Open circuit between
headlight and dimmer ⋅passing
switch

NG
OK



3. RH (or LH) high and low beam does not light



Replace the headlight bulb

Headlight connector continuity

Blown filament or air leakage

NG

Repair or replace the wire
and/or connector
W iring continuity between
connector 3
C19 - fuse No.
EB7 or 3
C26 fuse No.
EB8

Open circuit and/or poor
connector contact

NG
OK

Reinstall or replace fuse No.
EB7 or No. EB8
Fuse No. EB7 (10A) or
No. EB8 (10A) (Relay and
fuse box)
(No. EB7 RH, No. EB8: LH)
Poor installation or blown fuse

NG
OK



4. High or low beam does not light on one headlight (RH or LH)

Replace the headlight
assemblyHeadlight connector continuityBlown filament
NG
Repair open circuit or
connector contactW iring continuity between
headlight and dimmer ⋅passing
switchOpen circuit between
headlight and dimmer ⋅passing
switch
NG
OK



BACK TO CHAPTER INDEX
TO MODEL INDEXISUZU KB P190 2007

8A-164 ELECTRICAL-BODY AND CHASSIS
TAIL LIGHT, LICENSE PLATE LIGHT, CLEARANCE LIGHT

1. All lights do not light

Checkpoint Trouble Cause Countermeasure



Repair or replace the
combination switch
Lighting switch continuity
between connector
2
B60 - 1 B60


Poor switch point or connector
contact

NG

Reinstall or replace the tail
relay

Tail relay


Poor relay contact or relay
faulty

NG
OK

Reinstall or replace the fuse
No. EB12 (LH), EB11 (RH)
Fuse No. EB12 (LH) or EB11
(RH) (10A, Relay and fuse
box)
Poor fuse contact or blown

NG
OK



2. Tail light does not light


Replace the bulb or repair
connector contact

Tail light bulb continuity

Bulb burned out or poor
connector contact

NG

Repair open circuit or
connector contact
Continuity between connector
3
F5 - 4 F5 (RH)
or 3
F6 - 4 F6 (LH)


Open circuit or poor connector
contact

NG
OK



BACK TO CHAPTER INDEX
TO MODEL INDEXISUZU KB P190 2007

8A-228 ELECTRICAL-BODY AND CHASSIS
TROUBLESHOOTING
STOPLIGHT AND HIGH MOUNTED STOPLIGHT
1. One side of stoplight does not light

Checkpoint Trouble Cause Countermeasure


Replace the bulb or repair
connector contact

Burned out bulb or poor
connector contact

NG


Repair open circuit or
connector contact


Repair open circuit or
connector contact


Open circuit or poor connector
contact


Continuity between
9
H9 - 2 F6 (LH) (or
2
F5 (RH))


Open circuit or poor connector
contact

Continuity between

C109 - 4 F6 (LH) (or
4
F5 (RH)) NG
NG
OK
OK

Stoplight bulb continuity




2. Both sides of stoplight do not light



Adjust the switch installation
position

Stop light switch (or brake
switch) function

Incorrect the switch installation
or adjustment

NG

Repair open circuit or
connector contact
Voltage between 2 F6
ground or 2
F5 - ground
with brake pedal depressed
(Should be battery voltage
present)
Open circuit or poor connector
contact between stoplight
switch (or brake switch) and
stoplight
NG
OK

Reinstall or replace fuse No.
SBF9 (50A or 60A)
or 1
C108 -
4
C107
Fuse No. C15 (15A)


Fuse No. SBF-9 (50A, Fuse
and Relay box)
or 1
C108 -
4
C107
Fuse No. C15 (15A)


Poor fuse contact or blown

NG
OK


BACK TO CHAPTER INDEX TO MODEL INDEXISUZU KB P190 2007

8A-230 ELECTRICAL-BODY AND CHASSIS
TURN SIGNAL LIGHT AND HAZARD WARNING LIGHT
1. Turn signal light does not light on both sides (RH and LH)

Checkpoint Trouble Cause Countermeasure



Replace the flasher unit

Flasher unit malfunction

NG

Repair or replace the
combination switch
Turn signal switch continuity
between connector
5
B60 - 6 B60 and
5
B60 - 7 B60 when
turn signal switch operates
Short circuit between
connector 3
B61 - 1 B61
when turn signal switch
operates with starter switch
in “ON” position (Turn
signal light should be ON)

Poor switch point contact or
faulty switch

NG
OK

Reinstall or replace fuse No.
EB16 (10A)

Fuse No. EB16 (10A, Fuse
box)

Poor fuse contact or blown
fuse

NG
OK
OK

Repair open circuit or
connector contact
Continuity between
connector 2
B61 -ground
(Should be continuity)


Open circuit or poor connector
contact

NG




BACK TO CHAPTER INDEX TO MODEL INDEXISUZU KB P190 2007

ELECTRICAL-BODY AND CHASSIS 8A-231
2. Turn signal light does not light on one side (RH or LH)

Checkpoint Trouble Cause Countermeasure



Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG
(LH)
Continuity between
1
C25 - 6 B60 (FRT),
1
C35 - 6 B60 (SIDE)
1
F6 - 6 B60 (RR)
(RH)
Continuity between
1
C22 - 7 B60 (FRT),
1
C1 - 7 B60 (SIDE)
1
F5 - 7 B60 (RR)

Repair or replace the
combination switch

Turn signal switch continuity

Poor switch point contact or
faulty switch

NG
OK
OK

Repair open circuit or
connector contact

Open circuit or poor connector
contact

NG



3. Hazard warning light does not light



Repair or replace the hazard
SW .

Hazard SW . malfunction

NG
Voltage between 5
B16 -
ground (Should be battery
voltage present)

Hazard SW . continuity


Reinstall or replace the fuse
No. EB-16 (10A)

Fuse No. EB16 (10A, Relay
and fuse box)

Poor fuse contact or blown
fuse

NG
OK
OK

Repair open circuit or
connector contact
Open circuit or poor
connector contact between
fuse No. EB16 (10A) -
5
B16
NG



4. Flashing rate too fast (One side)

Replace the bulb or repair
open circuitInspect bulbBurned out bulb
NG


BACK TO CHAPTER INDEX TO MODEL INDEXISUZU KB P190 2007