engine ISUZU KB P190 2007 Workshop Repair Manual

ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-7
P1261 34 CAAInjector Positive Voltage Control Circuit (Supply Voltage
High)
P1262 34 A AA Injector Positive Voltage Control Circuit Group 2
P1404 45 A AA EGR Position Fault (Closed Position Error)
P1404 45 A -- EGR Position Fault (Learned Position Error)
P1411 445 A AA EGR Solenoid Control Driver
P1412 445 A AA EGR Solenoid Control Driver
P1413 445 A AA EGR Solenoid Control Driver
P156A 135 C AA Battery Voltage Low
P156B 135 C AA Battery Voltage High
P161B 179 C AA Immobilizer Wrong Response
P1621 54 C AAControl Module Long Term Memory Performance
(Learned Data)
P1621 254 C AAControl Module Long Term Memory Performance (VIN or
Immobilizer Data)
P1664 76 D -- Service Vehicle Soon Lamp Control Circuit (Low Voltage)
P1664 76 C --Service Vehicle Soon Lamp Control Circuit (High
Voltage)
P2100 446 B AA Intake Throttle Solenoid Circuit Open
P2101 446 B AA Intake Throttle Solenoid Circuit Low
P2103 446 B AA Intake Throttle Solenoid Circuit High
P2122 121 C AA Pedal Position Sensor 1 Circuit Low Input
P2123 121 C AA Pedal Position Sensor 1 Circuit High Input
P2127 122 C AA Pedal Position Sensor 2 Circuit Low Input
P2128 122 C AA Pedal Position Sensor 2 Circuit High Input
P2132 123 C AA Pedal Position Sensor 3 Circuit Low Input
P2133 123 A AA Pedal Position Sensor 3 Circuit High Input
P2138 124 C AA Pedal Position Sensor 1 - 2 Voltage Correlation
P2139 125 C AA Pedal Position Sensor 1 - 3 Voltage Correlation
P2140 126 C AA Pedal Position Sensor 2 - 3 Voltage Correlation
P2146 158 A AA Fuel Injector Group 1 Supply Voltage Circuit Short
P2147 158 A AA Fuel Injector Group 1 Supply Voltage Circuit Low
P2148 158 A AA Fuel Injector Group 1 Supply Voltage Circuit High
P2149 159 A AA Fuel Injector Group 2 Supply Voltage Circuit Short
P2150 159 A AA Fuel Injector Group 2 Supply Voltage Circuit Low
P2151 159 A AA Fuel Injector Group 2 Supply Voltage Circuit High
P2227 71 A A- Barometric Pressure Sensor Circuit Range/ Performance
P2228 71 A AA Barometric Pressure Sensor Circuit Low
P2229 71 A AA Barometric Pressure sensor Circuit High
P2621 94 - -A Throttle Position Output Circuit Low
DTC
Flash
Code DTC Type
DTC Descriptor
Euro 4
Specification Except Euro 4
Specification
(High Output) Except Euro 4
Specification (Standard Output)

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6E-8 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
P2622 94 --A Throttle Position Output Circuit High
U0001 84 A AA High Speed CAN Communication Bus
U0101 85 A A- Lost Communication with TCM
U0167 177 C AALost Communication With Vehicle Immobilizer Control
Module
DTC
Flash
Code DTC Type
DTC Descriptor
Euro 4
Specification Except Euro 4
Specification
(High Output) Except Euro 4
Specification (Standard Output)

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ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-9
Schematic and Rounting Diagrams
Fuel System Routing Diagram
Legend1. Fuel rail
2. Fuel pressure limiter
3. Leak off pipe
4. Fuel injector
5. Fuel return pipe
6. Fuel cooler
7. Fuel tank
8. Fuel pump and sender assembly 9. Fuel filler cap
10. Vent valve 11. Fuel feed pipe
12. One-way valve
13. Fuel filter with sedimenter
14. Fuel pressure switch
15. Fuel supply pump

Vacuum Hose Routing Diagram
Legend
1. Swirl control solenoid valve
2. Actuator control vacuum hose
3. Swirl control actuator
4. Brake booster
5. Vacuum pipe
6. Vacuum pump 7. Actuator control vacuum hose
8. Air cleaner
9. Turbocharger nozzle control actuator
10. Solenoid valve ventilation hose 11. Turbocharger nozzle control solenoid valve

RTW76ESF000101
12 3
4
5
117
8
9
10
14
13
12
15
6
RTW76ESF000201
1 2
4
5
6
9
8
3
7
11
High output10

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6E-10 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
Engine Controls Schematics
Power Distribution (1)
RTW76EXF003601
X-11
X-11 Heater
relay
1
2
Blower
motor Ignition
switchIgnition
switch Starter
relay
SBF1
Main
120A SBF2
ABS-1
40A SBF3
ABS-2
20A SBF5
IG1
40A SBF4
ECM
40A
SBF6
Blower
30A
EB-13
A/C
10A
2
BLU/
RED
3
BLU/
RED 3
BLU/
RED SBF8
Glow
60A
SBF7
Front
Fog
20A
SBF9
IG2
60A
EB-9
Fog
15A
or
Trailer
20AEB-10
Tail/Illumi
10A
or
Condenser
fan
20A EB-4
Engine
10A
EB-14
4WD
10A EB-15
Horn
10A EB-16
Hazard10A EB-1
ACG
(S)
10AEB-2
ECM
(B)
10AEB-3
F/Pump10A
EB-5 H/L HI(RH)10A Fuse
EB-6 H/L HI(LH)10A Fuse
EB-7 H/L LO(RH)10A Fuse
EB-8 H/L LO(LH)10A Fuse
P-6
Body
Generator P-5
8 BLK/
P-1
P-2
Battery
8
BLK 5WHTSrarter
Srarter
C-3
ELEC IG
10A
Fuse
E-92
0.5 WHT
0.3
BLK 3
WHT/
RED 5
WHT
0.3
BLK 5
RED/
BLU
5
RED
3
WHT/
BLK
30
BLK/
RED
30
BLK/
YEL
P-10
Engine
5
4 X-12
X-12
ECM
Fuel pump relay
ECM
ECM
main
relay
1
2 5
4
X-6
X-6
2
RED/
WHT
0.3
RED/
BLU Fuse/ relay box(Engine room)
2
RED
2
RED
0.5
RED
2
WHT
2
RED/
BLU 2
WHT
2
3 1
5
Lighting
switch Head
lamp
relay
C-36 C-36
RED
P-16
P-15
2nd
Battery
30
BLK/
YEL 30
BLK/
RED
P-10

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ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-11
Power Distribution (2)
RTW76EXF003701
C-108
5
WHT
3
WHT/
BLK
5
WHT
3
WHT/
BLK
3BLU
3BLK/RED
3
WHT/
BLK
3
BLK/
YEL 3
BLK/
WHT B-62
B-63
2
4
B-62
B-63 1
1
3
C-18
Rr
Def.
20A C-21
Door
lock
20A C-19
Meter
(+B)
10A C-15
Stop
lamp
15A C-22
Anti
theft
10A C-13
Audio
(+B)
15A
C-16
RR
Fog
10A C-17
Room
10A C-20
Power
window
30A Fuse/
relay box
(Cabin)
C-14
Meter
10A C-8
SRS
10AC-7
TCM
10A
or
15A C-9
Front
wiper
20A C-10
Back
up
15A C-6
Engine
10A
C-5
ABS/4WD
10AC-1
Starter
10AC-2
Trailer
10AC-3
ELEC IG
10A C-4
Turn
10AC-12
Cigar
lighter
&
ACC
Socket
20A C-11
Audio
10A
SBF9
IG2
60A Fuse/
relay
box
(Engine
room)
Starter relay
SBF5
IG1
40A
1
2
3 B-62 B1
B2
OFF
ACC
IG2ST
IG1 Ignition
switch

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6E-12 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
Starting and Charging System
RTW76EXF003801
EB-1
ACG(S)
10A
0.5
WHT
2
WHT
SBF1
Main
120A SBF5
IG1
40A Refer to
power
distribution Fuse/ relay
box(Engine room)
SBF9
IG2
60A
5
WHT 5
WHT
P-8 P-5
8 BLK/
RED
P-1
P-2
Battery
8
BLK
30
BLK/
YEL
P-10
P-16
P-15
2nd
Battery
30
BLK/
RED
30
BLK/
RED
30
BLK/
YEL
P-10 X-8
X-8
E-4
Generator H-1Starter
relay
1
1
H-4 E-92
8
2
4
E-4 E-17
2 B-23
3 B-24
8
3 X-7
X-7 Starter
cut
relay
1 3
45
Starter
P-4
1
B
S
SB
L
P-3 0.3
WHT/
BLU
5
WHT
5
WHT
0.5
WHT
Charge
lightIP
cluster
H-6
1
0.5
WHT/
BLU
0.5
WHT/
BLU H-49
1 C-108
3
WHT/
BLK
3
WHT/
BLK
3
BLK/
YEL
0.5
YEL 3
BLK/
WHT B-62
B-63
2
3
C-14
Meter
10A C-1
Starter
10A C-6
Engine
10A
0.5
WHT/
GRN
0.5
WHT/
GRN
0.5
RED/
WHT
0.5RED/WHT
0.5WHT/GRN
0.5
RED/
WHT
Starter switchsignal Ignition
switchsignal Glow relay
DRM
ECM Refer to
power
distribution
Fuse/relay
box(Cabin)
1
2
3 B-62 1 B-63
5 5 9 C-107
B-56
44
35 72
B1
B2
OFF
ACC
IG2
ST
IG1 Ignition
switch
Relay
control
4
0.3
BLK/
WHT
3
BLK/
YEL
0.3
BLK/
YEL
3
WHT
0.5YEL
Fuse/relay box(Engine room)3WHT/BLK
0.5
BLU/
YEL
H-4
A/T
M/T
C-36
E-10 0.5
BLK/
WHT
Inhibitor
switch 0.3
BLK 0.5
ORN/
BLU
0.5
BLK E-51
7
(4)
E-51
10
(1) C-58
( )...High output

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ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-13
ECM Power and Ground
RTW76EXF004501
X-12
X-12 ECM
main
relay
4
5
2 65
45 63 Ground
73
C-58 E-90
Ground
1
X-13
X-13 Fuel
pump
relay
0.5
ORN/
BLU 5
RED/
BLU
5
RED/
BLU
0.5 ORN/BLU
Fuel
pump 0.5
ORN/
BLK
0.5
BLK
C-109 Relay
control
Fuel
pump
resistor H-9
F-2 5
RED
0.5
BLU/
RED
0.5
BLU/
RED
0.5
BLU/
RED
2
RED/
BLU
EB-3
F/Pump
10A
SBF4
ECM
40A
EB-2
ECM
(B)
10A
Refer to
Power
distribution
TCM 0.5
YEL/
VIO
0.5
RED/
WHT
0.5
RED/
WHT
0.5
RED
0.5
RED 3
1
5
2
1
C-157
1 F-24
C-57
2 0.3
BLK
2
BLK
C-36 C-2E-10
Battery voltage
Battery voltage
(Back up) Fuse/
relay
box ECM
main
relay
control
4
H-49
1
52 C-58
ECM
54
73 EB-4
Engine
10A
Fuse (Engine
room)
0.5
BLK
0.3
BLKH-18
1
2
BLKB-82
Weld
splice 6
5
BLK
H-18
13
Ignition voltage
ECM

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6E-14 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
DLC and CAN (Standard output)
RTW76EXF004601
7
6766 C-58
31
16
4 5 B-58 1
614 B-58
32 B-2356 B-68
C-19
Meter(+B)
10A
Fuse/
relay
box
(Cabin)
0.5
BLU
0.5
RED/
YEL
ICU
IP cluster
40.5
YEL
0.5
BLU 0.5
YEL
0.5
BLU
DLC
0.5
YEL
IP
cluster
W/O Immobilizer ICU
H-44
5
0.5
BLU
11
4 2
1 3 4
2
1 3
H-18
C-2
0.5
BLK
0.5
BLK
0.5
RED/
YEL
+B
2
BLK
B-82
Weld
splice 6
2BLK
13
3 B-56
ECM
Keyword 2000 0.5
BLK/
GRN
0.3
BLK/
GRN 0.5
BLU 0.5
YEL B-103
J/C 3
B-104
J/C 4
Diagnostic
switch
Diagnostic switch CAN
high CAN
low
Ground Ground 2
0.5
YEL
0.5
BLU 0.5
YELH-18
12
H-18(RHD)
H-48(LHD)
7(RHD)
12(LHD) CAN
low
CAN
high
CANlow
CAN
high
TCM C-94 (5)
EHCU C-67 (11)
SRS control unit B-31 (2)
0.5
VIO/
GRN

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ENGINE CONTROL SYSTEM (4JK1/4JJ1) 6E-15
DLC and CAN (High output)
RTW76EXF005101
164 5 B-58 71
614
B-58
C-19
Meter(+B)
10A EHCU C-67 (11)
SRS control unit B-31 (2)
Anti-theft control unit B-44 (2)
Fuse/
relay
box
(Cabin)
0.5
RED/
YEL
ICU
IP cluster
DLCICU
H-18
C-2
0.5
BLK
0.5
BLK
0.5
RED/
YEL
+B 2
BLK
B-82
Weld
splice 6 2BLK
13
3 B-56
ECM
Keyword 2000 0.5
BLK/
GRN
0.5
VIO/
GRN
0.3
BLK/
GRN
0.5
BLU0.5
YEL
Diagnostic
switch
Diagnostic switch CAN
high CAN
low
Ground Ground 2
H-18(RHD)
H-48(LHD)
7(RHD)
12(LHD) CAN
low
CAN
high
CANlow
CAN
high
67
66
177
C-58
C-94
56 0.5
BLU
0.5
YEL
B-68
0.5
BLU
4
3
2 4
3
2
C-135
J/C 1
C-136
J/C 20.5
YEL
0.5BLU
0.5YEL
Except
Thailand
equipment TCM A/T
45 H-44 CAN
low
CAN
high
2
8
C-139
0.5
BLU
4
3
2 4
3
2
C-150
J/C 5
C-151
J/C 6 0.5
YEL
0.5
BLU 0.5
YEL 0.5BLU
0.5YEL DRM
(Euro 4
Specification)
CAN low
CAN
high
0.5
BLU
3
1 2 3
1 2
B-103
J/C 3
B-104
J/C 4 0.5
YEL
0.5
BLU 0.5
YEL
22
11
H-6 M/T
Thailand
equipment
11
12
H-18
A/T
Thailand
equipment
21
1
H-7

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6E-16 ENGINE CONTROL SYSTEM (4JK1/4JJ1)
Gauges
RTW76EXF004701
Fuel
consumption
signal
output
11 676
8
7 5 B-56
C-107 8 B-24
17
0.3
BLK/
YEL
0.5
YEL
0.5
YEL
0.5
YEL
0.5
BLK
0.85
BLK 6
7 0.5
BLK/
YEL 0.5
BLK/
YEL
0.5
BLK/
YEL 0.5
BLK/
YEL 0.5
BLK/
YEL
0.5
BLK/
YEL 0.5
BLK
0.85
BLK
0.85
BLK
0.85
BLK
0.85
BLK 0.5
BLK
0.5
BLK0.5
WHT
0.5
BLK/
RED
0.3
BLK/
RED
20
13
23 0.3
YEL/
RED
0.3
YEL/
RED 0.5
YEL/
BLK
0.5
YEL/
BLK
0.5
YEL/
RED 0.5
YEL/
BLK
0.5
GRN/
RED
ECM(27)
ECM(26) 0.3
BLK/
RED
0.5
BLK/
RED
4
20.3
ORN/
WHT
0.5
ORN/
WHT
Fuel
tank
sender
unit
10 C-94
TCM
Engine
speed
signal
inputTCM
7 C-94
62 C-58 A/T
Engine
speed
signal
output
33 IP
cluster
70 B-23
B-24
B-23
H-18
H-4
12
5
H-9
F-2
F-2
3
22 E-41
31
H-4
2 H-6
H-4 M/T
A/T 4WD
A/T 2WD
10
H-15
E-10
E-10 4
C-58
ECT
sensor
VSS
E-44
E-44
1
2 3
C-14
Meter
10A
Fuse/
relay
box
(Cabin) Speedometer
Fuel gaugeEngine coolant
temperature gauge
Tachometer Multi display
ECM
Signal
ECM
+B VSS
signal
output

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