4JH1 ISUZU KB P190 2007 Workshop Owners Manual

Engine Control System (4JH1) 6E-19






4
2
3 1


Legend
1. Accelerator Pedal Position (APP) Sensor & Idle Switch
2. Fuel Iinjection Pump Control Unit (PCU)
3. Fuel Injection Pump Assembly
4. Fuel Filter (Except Euro 3)




3
2 1


Legend
1. Mass Air Flow (MAF) & Intake Air Temperature (IAT) Sensor

2. EGR Solenoid Valve
3. Air Cleaner Case


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ISUZU KB P190 2007

6E-20 Engine Control System (4JH1)





1

Legend
1. Engine Control Module (ECM)







2 1

Legend
1. Engine Coolant Temperature (ECT) Sensor
2. Thermo Unit for W ater Temperature Gauge






2
3 14

Legend
1. EGR Solenoid Valve
2. To Vacuum Pump
3. To EGR Valve
4. To Intake Duct








2 1

Legend
1. Crankshaft Position (CKP) Sensor
2. Clutch Housing


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ISUZU KB P190 2007

Engine Control System (4JH1) 6E-21







1

Legend
1. Vehicle Speed Sensor (VSS)






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ISUZU KB P190 2007

6E-22 Engine Control System (4JH1)

Engine Control Module (ECM) Connector End Views





RTW 66ESF000301

Connector No. C-56
Connector Color Black
Test Adapter No. J-35616-4A (Pin 1 - 5)
J-35616-64A (Pin 6 - 81)
Pin W ire Color Pin Function
1 BLK ECM Ground
2 BLK ECM Ground
3 BLU/RED ECM Battery Voltage
4  Not Used
5  Not Used
6 – 24  Not Used
25  Not Used
26  Not Used
27 BLK/RED Engine Speed Signal Output to
Tachometer and TCM (A/T Only)
28  Not Used
29 RED/W HT APP PW M Signal Output (A/T
Only)
30 RED Brake Pedal 1 Switch (Stop Lamp Pedal Switch) Signal
31 YEL Clutch Pedal Switch (M/T Only)
32  Not Used
33 GRN Thermo Relay Signal Input
34  Not Used
35 W HT Keyword 2000
36  Not Used
37  Not Used
38 W HT APP Sensor Signal
39 BLU/YEL Ignition Voltage Feed
40  Not Used
41 BRN/RED A/C Compressor Relay Control
Connector No. C-56
Connector Color Black
Test Adapter No. J-35616-4A (Pin 1 - 5)
J-35616-64A (Pin 6 - 81)
Pin W ire Color Pin Function
42 BRN/YEL MIL Control
43 ORN/BLU Glow Indicator Lamp Control
44  Not Used
45 BLU Diag Request Switch
46  Not Used
47  Not Used
48  Not Used
49 RED APP Sensor Low Reference
50  Not Used
51  Not Used
52  Not Used
53  Not Used
54  Not Used
55  Not Used
56  Not Used
57 BLK APP Sensor 5 Volts reference
58 BLU/BLK ECM Main Relay Control
59  Not Used
60  Not Used
61  Not Used
62  Not Used
63 BLU/RED ECM Voltage Feed via ECM Fuse
64  Not Used
65 W HT/BLK Brake Pedal 2 Switch Signal
66  Not Used

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ISUZU KB P190 2007

Engine Control System (4JH1) 6E-23
Connector No. C-56
Connector Color Black
Test Adapter No. J-35616-4A (Pin 1 - 5)
J-35616-64A (Pin 6 - 81)
Pin W ire Color Pin Function
67  Not Used
68 BLU/W HT VSS Signal
69 GRN/BLK Idle Switch Signal
70  Not Used
71  Not Used
72  Not Used
73  Not Used
77  Not Used
78  Not Used
79  Not Used
80  Not Used
81  Not Used



















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ISUZU KB P190 2007

6E-24 Engine Control System (4JH1)







RTW 66ESF000401

Connector No. C-57
Connector Color Black
Test Adapter No. J-35616-64A
Pin W ire Color Pin Function
82 W HT/BLU Vacuum Pressure Sensor 5
Volts Reference (High Altitude
Only)
83 W HT/RED MAF Sensor 5 Volts Reference
84 BLK/BLU IAT Sensor Signal
85 RED/BLU Vacuum Pressure Sensor Signal (High Altitude Only)
86  Not Used
BLK/W HT Neutral Switch Input (M/T) 87
RED/BLK P & N Position Switch Input (A/T)
88 GRN/RED MAF Sensor Signal
89 GRY ECT Sensor Signal
90 RED CKP Sensor Signal
91 PNK CKP Sensor Signal Output
92 BLK/RED MAF Sensor & IAT Sensor Low Reference
93 BLK/PNK ECT Sensor & Vacuum Pressure Sensor (High Altitude Only) Low
Reference
94 BLK/BLU Glow Relay Control
95  Not Used
96 BRN/RED Turbocharger Solenoid Valve
Control (High Altitude Only)
97 BLK/ORN EGR Solenoid Valve Control
98 W HT CKP Sensor Low Reference
99 RED CAN Low Signal
100 W HT CAN High Signal
101 BLK CKP Sensor Shield Ground
102  Not Used
Connector No. C-57
Connector Color Black
Test Adapter No. J-35616-64A
Pin W ire Color Pin Function
102  Not Used
103  Not Used
105 ORN Engine Shutoff (ESO) Solenoid
Valve Control Signal Output
106 - 121 Not Used




























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ISUZU KB P190 2007

Engine Control System (4JH1) 6E-25
Engine Control Connector End Views
Accelerator Pedal Position (APP) Sensor















RTW 66ESH000301
Connector No. E-22
Connector Color Brown
Test Adapter No. J-35616-33
Pin W ire Color Pin Function
1 RED/GRN APP Sensor Low Reference
2 GRN/ORN APP Sensor Signal
3 BLK/GRN APP Sensor 5 Volts Reference

Brake Switch











RTW 66ESH000401







Connector No. C-44
Connector Color W hite
Test Adapter No. J-35616-40 (Pin 1 – 2)
J35616-2A (Pin 3 – 4)
Pin W ire Color Pin Function
1 GRN Brake Pedal 1 Switch (Stop Lamp
Pedal Switch) 12 Volts Feed
2 RED Brake Pedal 1 Switch (Stop Lamp Pedal Switch) Signal
3 BLU/RED Brake Pedal 2 Switch Ignition Voltage
4 W HT/BLK Brake Pedal 2 Switch Signal

Crankshaft Position (CKP) Sensor










RTW 66ESH000501

Connector No. E-9
Connector Color Black
Test Adapter No. J-35616-4A
Pin W ire Color Pin Function
1 W HT CKP Sensor Low Reference
2 RED CKP Sensor Signal
3 BLK CKP Sensor Shield Ground



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ISUZU KB P190 2007

6E-26 Engine Control System (4JH1)
Clutch Switch










LNW 46ESH000801

Connector No. C-77
Connector Color W hite
Test Adapter No. J-35616-42
Pin W ire Color Pin Function
1 BLU/RED Clutch Pedal Switch Ignition Voltage
2 YEL Clutch Pedal Switch Signal

Data Link Connector (DLC)










LNW 36ESH015801

Connector No. B-58
Connector Color Black
Test Adapter No. J-35616-2A
Pin W ire Color Pin Function
1 


Not Used
2 GRN J1850 (Class 2)
3 


Not Used
Connector No. B-58
Connector Color Black
Test Adapter No. J-35616-2A
Pin W ire Color Pin Function
4 BLK Ground
5 BLK Ground
6 BLU Diag Request Switch
7 YEL/BLU Keyword 2000
8 


Not Used
9 


Not Used
10 


Not Used
11 YEL/BLK TCM Diagnostic
12 ORN/W HT ABS C/U Diagnostic
13 RED SRS Diagnostic
14 


Not Used
15 


Not Used
16 RED/YEL Power Supply

EGR Solenoid Valve









RTW 66ESH000601

Connector No. C-115
Connector Color Black
Test Adapter No. J-35616-4A
Pin W ire Color Pin Function
1 BLU/RED Solenoid Valve 12 Volts Feed
2 BLK/ORN Solenoid Valve Control


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ISUZU KB P190 2007

Engine Control System (4JH1) 6E-27
Engine Coolant Temperature Coolant (ECT) Sensor











LNW 46ESH003901

Connector No. E-41
Connector Color Gray
Test Adapter No. J-35616-4A
Pin W ire Color Pin Function
1 GRY ECT Sensor Signal
2 BLK/PNK ECT Sensor Low Reference

Fuel Injection Pump Control Unit (PCU)










RTW 66ESH000701

Connector No. E-6
Connector Color Black
Test Adapter No. J-35616-8
Pin W ire Color Pin Function
1 RED CAN Low Signal
2 YEL CAN High Signal
3 


Not Used
Connector No. E-6
Connector Color Black
Test Adapter No. J-35616-8
Pin W ire Color Pin Function
4 


Not Used
5 ORN Engine Shutoff (ESO) Solenoid
Valve Control Signal Input
6 BLK Ground
7 BLU/RED Battery voltage
8 PNK CKP Sensor Signal Input
9 


Not Used

Glow Plug











LNW 46ESH000701

Connector No. E-49
Connector Color Silver
Pin W ire Color Pin Function
1 BLK/RED Power Supply


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ISUZU KB P190 2007

6E-28 Engine Control System (4JH1)
Idle Switch










RTW 66ESH000301

Connector No. E-23
Connector Color Gray
Test Adapter No. J-35616-33
Pin W ire Color Pin Function
1 BLK Idle Switch Ground
2 GRN/ BLK Idle Switch Signal
3 


Not Used

Mass Air Flow (MAF) / Intake Air Temperature
Sensor










RTW 66ESH000801

Connector No. C-116
Connector Color Black
Test Adapter No. J-35616-4A
Pin W ire Color Pin Function
1 BLK/BLU IAT Sensor Signal
Connector No. C-116
Connector Color Black
Test Adapter No. J-35616-4A
Pin W ire Color Pin Function
2 BLU/RED MAF Sensor Ignition Voltage Feed
3 BLK/RED MAF Sensor & IAT Sensor Low
Reference
4 W HT/RED MAF Sensor 5 Volts Reference
5 GRN/RED MAF Sensor Signal

Turbocharger Solenoid Valve








RTW 66ESH000901

Connector No. C-123
Connector Color Black
Test Adapter No. J-35616-64A
Pin W ire Color Pin Function
1 BLU/RED Solenoid Valve 12 Volts Feed
2 BRN/RED Solenoid Valve Control


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ISUZU KB P190 2007