ISUZU KB P190 2007 Workshop Repair Manual

ELECTRICAL-BODY AND CHASSIS 8A-23
CIRCUIT DIAGRAM



CONNECTOR LIST




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8A-24 ELECTRICAL-BODY AND CHASSIS
MAIN DATA AND SPECIFICATIONS
BULB SPECIFICATIONS
This illustration based on LHD

RTW 78AMF000801
Light Name Bulb No. Rated Power
V-W Number
of Bulbs Lens
Color Remarks
H4 12-60/55 2 W hite A type, Halogen
HB3 12-65 2 W hite
H7 12-55 2 W hite A type, Halogen
projector type
HB3 12-60 2 W hite High Bean
Headlight
HB4 12-51 2 W hite B type
Low Bean
High mounted stoplight W 5W 12-5 4 RED
Fog light H3 12-55 2 W hite
Front turn signal light PY21W 12-21 2 W hite Bulb Lens color
Amber
Clearance light W 5W 12-5 2 W hite
Door mirror-turn signal light
(out side mirror type) - -
2 W hite LED (Illuminated
color Amber)
Side turn signal light W 5W 12-5 2 W hite with
amber
inner lens
Rear turn signal light
PY21W 12-21 2 W hite Bulb Lens color
Amber
Rear fog light P21W 12-21 1 Red
Tail and stoplight P21/5W 12-21/5 2 Red

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ELECTRICAL-BODY AND CHASSIS 8A-25
Light Name Bulb No. Rated Power
V-W Number
of Bulbs Lens
Color Remarks
P16W 12-21 2 W hite Regular cab Backup light
P21W 12-16 2 W hite Extend cab, Crew cab
License plate light W 5W 12-5 2 W hite
A/C-Heater control light - 12-0.7 1 -
Dome light - 12-10 1 W hite
Spotlight/ Map light - 12-5 2 W hite

Light Name Rated Power
V-W Luminous Color Remarks
ILLUMINATION
LIGHT LED W hite
MULTI FUNCTION DISPLAY LCD Light blue
TURN SIGNAL LED Green
HIGH BEAM LED Blue
LOW FUEL LED Amber
A/T OIL TEMP LED Red
BRAKE LED Red
4W D LED Green
SEAT BELT LED Red
CHECK ENGINE LED Amber
OIL LED Red
FUEL FILTER LED Green
ABS LED Amber
SEDIMENTER LED Red
SRS LED Red
CHARGE LED Red
CHECK TRANS LED Red
CHECK 4W D LED Red
POW ER DRIVE LED Amber
3RD START LED Green
4W D-LOW LED Green
DOOR AJAR LED Red
P LED/LCD Green
R LED/LCD Green
N LED/LCD Green
D LED/LCD Green
3 LED/LCD Green
2 LED/LCD Green
A/T shift
indicator
L LED/LCD Green LED: Indicated on
the gauge
panel
LCD: Indicated on the
tachometer
panel
Meter
Illumination
light,
Indicator
light,
W arning
light

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8A-26 ELECTRICAL-BODY AND CHASSIS
RELAY AND FUSE
RELAY AND FUSE BOX LOCATION (RHD)















RTW 780MF002301

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ELECTRICAL-BODY AND CHASSIS 8A-27


RELAY AND FUSE BOX LOCATION (LHD)















RTW 78ALF000201

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8A-28 ELECTRICAL-BODY AND CHASSIS

RELAY LOCATION
RELAY & FUSE BOX (ENGINE ROOM)
RHD






NO. RELEY (C24SE) RELAY (HFV6) RELAY (4JA1T(L)) RELAY
(4JJ1-TC/4JK1-TC)
X1 RELAY; TAIL LIGHT RELAY; FOG LIGHT ← ←
X2 RELAY; FUEL PUMP RELAY; TAIL LIGHT
← ←
X3 RELAY; HORN
← ← ←
X4 RELAY; DIMMER
← ← ←
X5
  RELAY; GLOW
←
X6 RELAY; STARTER RELAY; H/LIGHT
← ←
X7 RELAY; H/LIGHT
(Except AUSTRALIA)
RELAY; COND FAN
(AUSTRALIA) RELAY; H/ LIGHT RELAY; CSD RELAY; STARTER CUT
X8
  RELAY; STARTER
←
X9 RELAY; FRT FOG
LAMP 
 RELAY; COND FAN
X10 RELAY; COND FAN
  RELAY;
TRANSMISSION
X11 RELAY; HEATER ← ← ←
X12 RELAY; STARTER CUT
(AUSTRALIA) RELAY; ECM MAIN
 RELAY; ECM MAIN
X13 RELAY; STARTER CUT
(Except AUSTRALIA)
RELAY; H/LIGHT
(AUSTRALIA) RELAY; F/PUMP RELAY; COND FAN RELAY; F/PUMP
X14 RELAY; A/C COMP
← RELAY; STARTER CUT RELAY; A/C COMP
X15 RELAY; THERMO RELAY; STARTER RELAY; THERMO
←




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ELECTRICAL-BODY AND CHASSIS 8A-29

RELAY LOCATION
RELAY & FUSE BOX (ENGINE ROOM)
LHD






NO. RELEY (C24SE) RELAY (HFV6) RELAY (4JH1-TC) RELAY (4JA1T(L)) RELAY
(4JJ1-TC/4JK1-TC)
X1 RELAY; TAIL LIGHT RELAY; FOG
LIGHT ←
← ←
X2 RELAY; FUEL
LIGHT RELAY; TAIL
LIGHT ←
← ←
X3 RELAY; HORN
← ← ← ←
X4 RELAY; DIMMER
← ← ← ←
X5
  RELAY; GLOW
← ←
X6 RELAY; STARTER RELAY; H/LIGHT
← ← ←
X7 RELAY; H/LIGHT
 RELAY; STARTER
CUT RELAY; CSD RELAY; STARTER
CUT
X8   RELAY; STARTER
← ←
X9 RELAY; FRT FOG
LIGHT 
RELAY; COND
FAN 
←
X10 RELAY; COND
FAN 
  RELAY;
TRANSMISSION
X11 RELAY; HEATER ← ← ← ←
X12
 RELAY; ECM MAIN RELAY; ECM MAIN
 ←
X13 RELAY; STARTER
CUT RELAY; F/PUMP
 RELAY; COND
FAN RELAY; F/PUMP
X14 RELAY; A/C COMP
← ← RELAY; STARTER
CUT RELAY; A/C COMP
X15 RELAY; THERMO RELAY; STARTER RELAY; THERMO RELAY; THERMO
←



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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)


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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



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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


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