4JH1 ISUZU KB P190 2007 Workshop Manual PDF

FUEL SYSTEM 6C – 23




6. Injection Pipe
Install the injection pipe.
Injection Pipe Torque N·m(kg·m / lb ft)
29 (3.0 / 22)
Nozzle Side (4JA1TC/4JH1TC) N·m(kg·m / lb ft)
29 (3.0 / 22)
Pump Side (4JA1TC/4JH1TC) N·m(kg·m / lb ft)
40 (4.1 / 30)






7. Injection Pipe Clip Install the injection pipe clip.
Note:
Make absolutely sure that the clip is correctly
positioned.
Injection Pipe Clip Torque N·m(kg·m / lb in)
8 (0.8 / 69)

8. Leak Off Pipe and Leak Off Hose
Install the leak off pipe to injection nozzle and connect the
leak off hose to the injection pump.






9. Fuel Filter Bracket (Except EURO III model)
Install the fuel filter bracket and tighten bolts to the
specified torque.
Fuel Filter Bracket Bolts Torque N·m(kg·m / lb ft)
21 (2.1 / 15)








10. Fuel Filter Assembly (Except EURO III model) Install the fuel filter assembly to bracket and tighten bolts
to the specified torque.
Fuel Filter Assembly Bolts
Torque N·m(kg·m / lb ft)
21 (2.1 / 15)
11. Fuel Pipe
1) Connect the fuel hoses to the fuel filter or priming pump.
2) Connect the fuel hoses to the injection pump.








12. Oil Level Gauge Install the oil level gauge and tighten bolts to the specified
torque.
Oil Level Gauge Bolts
Torque N·m(kg·m / lb ft)
M8: 19 (1.9 / 14)
M6: 8 (0.8/6 lb in)


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ISUZU KB P190 2007

6C – 24 FUEL SYSTEM







13. Throttle Position Sensor Harness Connector
(4JA1TC/4JH1TC only)
Reconnect the harness connector to the throttle position
sensor.
14. Power Steering Pump Bracket

15. Fan
16. Vacuum Hose
Connect the vacuum hose to the EGR valve and the
intake throttle.

Euro under Euro I Euro II Euro III
4JA1L without with with Not used
4JA1TC Not used Not used Not used With cooler
(EGR cooler)
4JH1TC without with with With
(EGR cooler)

17. Accelerator Control Cable
1) Connect the accelerator cable to the injection pump (4JA1T) the intake throttle. (4JA1TC/4JH1TC only)
18. Power Steering Pump Assembly
19. Drive Belt
Install the drive belt and adjust the belt tension.
20. Battery



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ISUZU KB P190 2007

Engine Control System (4JH1) 6E-1
SECTION 6E
ENGINE CONTROL SYSTEM (4JH1)
TABLE OF CONTENTS


Specifications ..................................................... 6E-4
Schematic And Routing Diagrams ..................... 6E-5 Vacuum Hose Routing Diagram...................... 6E-5
Engine Controls Schematics ........................... 6E-7
Component Locator ............................................ 6E-18 Engine Controls Component Views ................ 6E-18
Engine Control Module (ECM) Connector
End Views ...................................................... 6E-22
Engine Control Connector End Views ............. 6E-25
Diagnostic Information And Prosedures............. 6E-30 Engine Control System Check Sheet .............. 6E-30
Diagnostic Starting Point - Engine Controls .... 6E-31
Breaker Box .................................................... 6E-32
Diagnostic System Check - Engine Controls .. 6E-33
Scan Tool Data List ......................................... 6E-36
Scan Tool Data Definitions.............................. 6E-37
Scan Tool Output Controls .............................. 6E-40
Scan Tool Does Not Power Up ....................... 6E-41
Scan Tool Does Not Communicate with Keyword
2000 Device ................................................... 6E-42
Lost Communication with The Engine Control
Module (ECM) ............................................... 6E-44
Engine Cranks but Does Not Run ................... 6E-47
Diagnostic Trouble Code (DTC) List ............... 6E-50
DTC P0100 (Symptom Code 7)
(Flash Code 65) ............................................. 6E-66
DTC P0100 (Symptom Code 9)
(Flash Code 65) ............................................ 6E-68
DTC P0100 (Symptom Code B)
(Flash Code 65) ............................................ 6E-70
DTC P0100 (Symptom Code C)
(Flash Code 65) ............................................ 6E-73
DTC P0105 (Symptom Code 1)
(Flash Code 34) ............................................ 6E-75
DTC P0105 (Symptom Code 2)
(Flash Code 34) ............................................ 6E-78
DTC P0105 (Symptom Code 7)
(Flash Code 34) ............................................ 6E-81
DTC P0105 (Symptom Code 9)
(Flash Code 34) ............................................ 6E-83
DTC P0110 (Symptom Code 1)
(Flash Code 23) ............................................ 6E-85
DTC P0110 (Symptom Code 2)
(Flash Code 23) ............................................ 6E-88
DTC P0115 (Symptom Code 1)
(Flash Code 14) ............................................ 6E-90
DTC P0115 (Symptom Code 2)
(Flash Code 14) ............................................ 6E-93
DTC P0180 (Symptom Code B)
(Flash Code 15) ............................................ 6E-95
DTC P0215 (Symptom Code A)
(Flash Code 52............................................... 6E-96
DTC P0215 (Symptom Code B)
(Flash Code 52) ............................................ 6E-98
DTC P0215 (Symptom Code C)
(Flash Code 52) ............................................ 6E-100
DTC P0215 (Symptom Code D)
(Flash Code 52) ............................................ 6E-102
DTC P0216 (Symptom Code A,B)
(Flash Code 54) ............................................ 6E-103
DTC P0243 (Symptom Code 3)
(Flash Code 64) ............................................ 6E-107
DTC P0243 (Symptom Code 4)
(Flash Code 64) ............................................ 6E-111
DTC P0243 (Symptom Code 5)
(Flash Code 64) ............................................. 6E-114
DTC P0243 (Symptom Code 6)
(Flash Code 64) ............................................. 6E-118
DTC P0243 (Symptom Code 8)
(Flash Code 65) ............................................. 6E-121
DTC P0251 (Symptom Code 6)
(Flash Code 53) ............................................ 6E-123
DTC P0251 (Symptom Code 7)
(Flash Code 53) ............................................ 6E-125
DTC P0251 (Symptom Code 9, A, B, C)
(Flash Code 53) ............................................ 6E-127
DTC P0251 (Symptom Code E)
(Flash Code 53) ............................................ 6E-129
DTC P0335 (Symptom Code B, D)
(Flash Code 43) ............................................ 6E-130
DTC P0335 (Symptom Code E)
(Flash Code 43) ............................................. 6E-134
DTC P0380 (Symptom Code 4)
(Flash Code 66) ............................................ 6E-136

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6E-2 Engine Control System (4JH1)
DTC P0380 (Symptom Code 8)
(Flash Code 66) ............................................6E-139
DTC P0381 (Symptom Code 4)
(Flash Code 67) ............................................6E-141
DTC P0381 (Symptom Code 8)
(Flash Code 67) ............................................6E-144
DTC P0400 (Symptom Code 3)
(Flash Code 32) ............................................6E-146
DTC P0400 (Symptom Code 4)
(Flash Code 32) ............................................6E-149
DTC P0400 (Symptom Code 5)
(Flash Code 32) ............................................6E-152
DTC P0400 (Symptom Code 8)
(Flash Code 32) ............................................6E-155
DTC P0500 (Symptom Code 1, A)
(Flash Code 24) ............................................6E-157
DTC P0500 (Symptom Code B)
(Flash Code 24) ............................................6E-160
DTC P0560 (Symptom Code 1)
(Flash Code 35) ............................................6E-166
DTC P0560 (Symptom Code 2)
(Flash Code 35) ............................................6E-167
DTC P0560 (Symptom Code A)
(Flash Code 35) ............................................6E-169
DTC P0561 (Symptom Code A)
(Flash Code 18) ............................................6E-171
DTC P0561 (Symptom Code B)
(Flash Code 18) ............................................6E-173
DTC P0602 .....................................................6E-174
DTC P0606 (Symptom Code A, B)
(Flash Code 28) ............................................6E-175
DTC P0645 (Symptom Code 4)
(Flash Code 46) ............................................6E-176
DTC P0645 (Symptom Code 8)
(Flash Code 46) ............................................6E-179
DTC P0703 (Symptom Code A, B)
(Flash Code 25) ............................................6E-181
DTC P0704 (Symptom Code 6)
(Flash Code 57) ............................................6E-185
DTC P1105 (Symptom Code 1)
(Flash Code 86) ............................................6E-188
DTC P1105 (Symptom Code 2)
(Flash Code 86) ............................................6E-189
DTC P1120 (Symptom Code 1)
(Flash Code 21) ............................................6E-190
DTC P1120 (Symptom Code 7)
(Flash Code 21) ............................................6E-193
DTC P1120 (Symptom Code 9)
(Flash Code 21) ............................................6E-195
DTC P1120 (Symptom Code D)
(Flash Code 21) ............................................ 6E-197
DTC P1120 (Symptom Code E)
(Flash Code 21) ............................................ 6E-200
DTC P1173 (Symptom Code 3)
(Flash Code 22) ............................................ 6E-204
DTC P1173 (Symptom Code 7, A)
(Flash Code 22) ............................................ 6E-206
DTC P1335 (Symptom Code A)
(Flash Code 43) ............................................ 6E-207
DTC P1345 (Symptom Code A)
(Flash Code 41) ............................................ 6E-209
DTC P1520 (Symptom Code A)
(Flash Code 47) ............................................ 6E-210
DTC P1520 (Symptom Code B)
(Flash Code 47) ............................................ 6E-213
DTC P1605 (Symptom Code C, D, E)
(Flash Code 55) ............................................ 6E-216
DTC P1610 (Symptom Code A)
(Flash Code 56) ............................................ 6E-217
DTC P1611 (Symptom Code A)
(Flash Code 56) ............................................ 6E-218
DTC P1612 (Symptom Code A)
(Flash Code 56) ............................................ 6E-219
DTC P1613 (Symptom Code A)
(Flash Code 56) ............................................ 6E-220
DTC P1614 (Symptom Code A)
(Flash Code 56) ............................................ 6E-221
DTC P1625 (Symptom Code A)
(Flash Code 76) ............................................ 6E-222
DTC P1625 (Symptom Code B)
(Flash Code 76) ............................................ 6E-224
DTC P1630 (Symptom Code A, B)
(Flash Code 51) ............................................ 6E-226
DTC P1650 (Symptom Code A)
(Flash Code 44) ............................................ 6E-227
DTC P1650 (Symptom Code B)
(Flash Code 44) ............................................ 6E-230
DTC P1651 (Symptom Code A, B)
(Flash Code 45) ............................................ 6E-231
DTC P1690 (Symptom Code 4)
(Flash Code 77) ............................................ 6E-234
DTC P1690 (Symptom Code 8)
(Flash Code 77) ............................................ 6E-237
Glow Control System Check ........................... 6E-239
A/C Compressor System Check ..................... 6E-242
Symptoms - Engine Controls ............................. 6E-255 Symptoms - Engine Controls .......................... 6E-255
Intermittent Conditions .................................... 6E-256
Hard Start ........................................................ 6E-258

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Engine Control System (4JH1) 6E-3
Rough, Unstable, or In co rr ect Idle And
Stallin g........................................................... .6E -260
Cut Out, Mi sses.............................................. .6E -262
Su rge s/Chuggle s............................................ .6E -263
La ck of Po wer, Sluggi shne ss, Spongine ss .... .6E -266
He sitation, Sag, Stu mble................................ .6E -268
Fuel Kno ck /Co mbu stion Noi se ....................... .6E -270
Poor F uel E cono my........................................ .6E -271
E xc ess ive S moke (B la ck S m oke) ................. .6E -272
E xc ess ive S moke (W hite S moke) ................. .6E -273
Repair In str u ctions ............................................ .6E -275
Engine Control Module (ECM) Replacement ..6E-275
Service Programming System (SPS)
Description .....................................................6E-276
Service Programming System (SPS)
(Remote Procedure) ......................................6E-277
Service Programming System (SPS)
(Pass-Thru Procedure) ..................................6E-278
Accelerator Pedal Position (APP) Sensor
Replacement ..................................................6E-279
Crankshaft Position Sensor (CKP) Sensor
Replacement ..................................................6E-279
EGR Solenoid Valve Replacement .................6E-280
Engine Coolant Temperature Coolant
(ECT) Sensor Replacement ...........................6E-280
Mass Air Flow (MAF) / Intake Air Temperature
Sensor Replacement......................................6E-280
Turbocharger Solenoid Valve Replacement
[High Altitude Spec] ........................................6E-281
Vacuum Pressure Sensor Replacement
[High Altitude Spec] ........................................6E-281
Vehicle Speed Sensor (VSS) Replacement ....6E-282
Description And Operation .................................6E-283 Engine Control Module (ECM) .......................6E-283
Engine Control Component Description ..........6E-284
Fuel Injection System Description ...................6E-288
Low Pressure Fuel Circuit Description ............6E-290
High Pressure Fuel Circuit Description ...........6E-291
Timing Control Device Description ..................6E-294
Exhaust Gas Recirculation (EGR) System
Description .....................................................6E-297
Turbocharger Description................................6E-298
Special Tools And Equipment ............................6E-299 Special Tools and Equipment .........................6E-299


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6E-4 Engine Control System (4JH1)
Specifications
Temperature vs Resistance
Engine Coolant Temperature vs. Resistance
°C °F Ohms
Temperature vs. Resistance Value (Approximately)
120 248 120
110 230 160
100 212 200
90 194 260
80 176 350
70 158 470
60 140 640
50 122 880
40 104 1250
30 86 1800
20 68 2650
10 50 4000
0 32 6180
-10 14 9810
-20 -4 16000
-30 -22 27000
Intake Air Temperature vs. Resistance
°C °F Ohms
Temperature vs. Resistance Value (Approximately)
100 212 190
90 194 240
80 176 320
70 158 430
60 140 590
50 122 810
40 104 1150
30 86 1650
25 77 2000
20 68 2430
10 50 3660
0 32 5650
-10 14 8970
-20 -4 14700

Altitude vs Barometric Pressure
Altitude Measured
in Meters (m) Altitude
Measured in Feet (ft) Barometric
Pressure
Measured in
Kilopascals (kPa)
Determine your altitude by contacting a local weather
station or by using another reference source.
4267 14000 56-64
3962 13000 58-66
3658 12000 61-69
3353 11000 64-72
3048 10000 66-74
2743 9000 69-77
2438 8000 71-79
2134 7000 74-82
1829 6000 77-85
1524 5000 80-88
1219 4000 83-91
914 3000 87-98
610 2000 90-98
305 1000 94-102
0 0 Sea Level 96-104
-305 -1000 101-105




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Engine Control System (4JH1) 6E-5
Schematic And Routing Diagrams
Vacuum Hose Routing Diagram
Normal Altitude Spec





RTW 66EMF001001
Legend
1. Vacuum Pump
2. Blue Stripe Vacuum Hose
3. EGR Solenoid Valve
4. W hite Stripe Vacuum Hose
5. Intake Duct
6. Yellow Stripe Vacuum Hose
7. EGR Valve




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6E-6 Engine Control System (4JH1)
High Altitude Spec





RTW 66EMF001101

Legend
1. Vacuum Pump
2. W hite Stripe Vacuum Hose
3. EGR Solenoid Valve
4. EGR Valve
5. W hite Stripe Vacuum Hose
6. Vacuum Regulating Valve
7. Port S
8. Port Z
9. Blue Stripe Vacuum Hose
10. Turbocharger Solenoid Valve
11. W hite Stripe Vacuum Hose
12. Yellow Stripe Vacuum Hose
13. Vacuum Pressure Sensor
14. Turbocharger




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Engine Control System (4JH1) 6E-7
Engine Controls Schematics
Power Distribution (1)



RTW 76EXF002501

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6E-8 Engine Control System (4JH1)
Power Distribution (2)




RTW 76EXF002601

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