relay ISUZU KB P190 2007 Workshop Repair Manual
[x] Cancel search | Manufacturer: ISUZU, Model Year: 2007, Model line: KB P190, Model: ISUZU KB P190 2007Pages: 6020, PDF Size: 70.23 MB
Page 4965 of 6020
ELECTRICAL-BODY AND CHASSIS 8A-27
RELAY AND FUSE BOX LOCATION (LHD)
RTW 78ALF000201
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Page 4966 of 6020
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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Page 4967 of 6020
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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Page 4968 of 6020
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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Page 4969 of 6020
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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Page 4970 of 6020
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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Page 4972 of 6020
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
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Page 5048 of 6020
8A-110 ELECTRICAL-BODY AND CHASSIS
REMOVAL AND INSTALLATION
This illustration is based on RHD model
STARTER SWITCH
Removal
1. Steering Lock Assembly • Refer to Section 3B" STEERING COLUMN" for steering
lock assembly removal steps.
2. Starter Switch
Installation
Follow the removal procedure in the reverse order to install the
starter switch.
INSPECTION AND REPAIR
B62 B63
STARTER SWITCH
Switch Connections
Terminal No.
Starter
switch key
position B62
2
(B2) B62
4
(ACC) B62
1
(IG2) B63
1
(ST) B63
3
(B1) B62
3
(IG1)
Removed
OFF
ACC Inserted
ON
START
LOCK
RTW 78ASH003001
Starter relay
Check continuity between the relay terminals.
1 - 4............................ No continuity
(W hen battery voltage is applied between 2 and 3)
1 - 4............................ Continuity
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Page 5098 of 6020
8A-160 ELECTRICAL-BODY AND CHASSIS
TROUBLE SHOOTING
HEADLIGHT
1. Both the headlights (high and low beam) do not light
Checkpoint Trouble Cause Countermeasure
Repair the wiring
Poor ground point contact
NG
Repair open circuit or
connector contact
Repair open circuit
Repair or replace the
combination switch
Voltage between 1
B60 -
ground
Open circuit between lighting
relay and lighting switch
Open circuit between battery
positiv e terminal and lighting
relay
Combination switch continuity
Poor switch contact or sw
faulty
Voltage between
5
X6 - ground and
2
X6 - ground
Reinstall or replace the
lighting relay
Lighting relay
Poor relay contact or relay
faulty
NG
NG
NG
NG
OK
OK
OK
OK
Ground point contact (C2),
(C36)
Repair open circuit
W iring continuity between
B60 - C2
Open circuit
NG
OK
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Page 5099 of 6020
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
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