2007 ISUZU KB P190 oil

6E–2 ENGINE DRIVEABILITY AND EMISSIONS
5e. Vehicle Operates as Designed ............ 6E-65
6. Re-examine the complaint ..................... 6E-66
7. Repair and Verify Fix ............................. 6E-66
GENERAL SERVICE INFORMATION .......... 6E-67 On-Board Diagnostic (OBD) ...................... 6E-68
On-Board Diagnostic Tests ....................... 6E-68
The Diagnostic Executive .......................... 6E-68
Diagnostic Information ............................... 6E-68
Check Engine Lamp .................................. 6E-68
Data Link Connector (DLC) ....................... 6E-68
Tech 2 Operating Flow Cart (Start Up) ...... 6E-70
TYPICAL SCAN DATA & DEFINITIONS (ENGINE DATA) ......................................... 6E-72
TYPICAL SCAN DATA & DEFINITIONS (O2 SENSOR DATA) .................................. 6E-74
MISCELLANEOUS TEST ............................. 6E-76
PLOTTING SNAPSHOT GRAPH ................. 6E-78 Plotting Graph Flow Chart (Plotting graph after obtaining vehicle information) .................. 6E-79
Flow Chart for Snapshot Replay (Plotting Graph) ....................................... 6E-80
SNAPSHOT DISPLAY WITH TIS2000 ......... 6E-81
ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK 6E-98
Circuit Description ......................................... 6E-90
Diagnostic Aids ............................................. 6E-90
Test Description ............................................ 6E-90
ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK .................................................... 6E-91
NO CHECK ENGINE LAMP (MIL) ................ 6E-94 Circuit Description ..................................... 6E-94
Diagnostic Aids .......................................... 6E-94
No Check Engine Lamp (MIL) ................... 6E-94
CHECK ENGINE LAMP (MIL) “ON” STEADY 6E-96 Circuit description ...................................... 6E-96
Diagnostic Aids .......................................... 6E-96
Check Engine Lamp (MIL) “ON” Steady .... 6E-96
FUEL METERING SYSTEM CHECK ........... 6E-98
FUEL INJECTOR COIL TEST PROCEDURE AND FUEL INJECTOR BALANCE TEST
PROCEDURE ............................................. 6E-98
Test Description ......................................... 6E-98
Injector Coil Test Procedure (Steps 1-6) and Injector Balance Test Procedure
(Steps 7-11) ............................................. 6E-99
Injector Coil Test Procedure (Steps 1-6) and Injector Balance Test Procedure
(Steps 7-11) ............................................. 6E-100
FUEL SYSTEM ELECTRICAL TEST ........... 6E-103 Circuit Description ..................................... 6E-103
Diagnostic Aids .......................................... 6E-104 Fuel Pressure Relief Procedure ................. 6E-104
Fuel Pressure Gauge Installation .............. 6E-104
Fuel System Electrical Test ....................... 6E-104
FUEL SYSTEM DIAGNOSIS ........................ 6E-108 Circuit Description ...................................... 6E-108
Test Description ......................................... 6E-108
Fuel Pressure Relief Procedure ................. 6E-109
Fuel Pressure Gauge Installation .............. 6E-109
Fuel System Diagnosis .............................. 6E-110
ECM DIAGNOSTIC TROUBLE CODES (DTC) 6E-113
DIAGNOSTIC TROUBLE CODE (DTC) P0107 MANIFOLD ABSOLUTE PRESSURE
CIRCUIT LOW INPUT ................................ 6E-119
Circuit Description ...................................... 6E-119
Diagnostic Aids .......................................... 6E-119
Diagnostic Trouble Code (DTC) P0107 Manifold Absolute Pressure Circuit Low
Input ......................................................... 6E-120
DIAGNOSTIC TROUBLE CODE (DTC) P0108 MANIFOLD ABSOLUTE PRESSURE
CIRCUIT HIGH INPUT ............................... 6E-123
Circuit Description ...................................... 6E-123
Diagnostic Aids .......................................... 6E-124
Diagnostic Trouble Code (DTC) P0108 Manifold Absolute Pressure Circuit High
Input ......................................................... 6E-124
DIAGNOSTIC TROUBLE CODE (DTC) P0112 INTAKE AIR TEMPERATURE SENSOR LOW
INPUT ......................................................... 6E-127
Circuit Description ...................................... 6E-127
Diagnostic Aids .......................................... 6E-127
Diagnostic Trouble Code (DTC) P0112 Intake Air Temperature Sensor Low Input 6E-128
DIAGNOSTIC TROUBLE CODE (DTC) P0113 INTAKE AIR TEMPERATURE SENSOR HIGH
INPUT ......................................................... 6E-131
Circuit Description ...................................... 6E-131
Diagnostic Aids .......................................... 6E-131
Diagnostic Trouble Code (DTC) P0113 Intake Air Temperature Sensor High Input 6E-132
DIAGNOSTIC TROUBLE CODE (DTC) P0117 ENGINE COOLANT TEMPERATURE
SENSOR LOW INPUT ................................ 6E-136
Circuit Description ...................................... 6E-136
Diagnostic Aids .......................................... 6E-136
Diagnostic Trouble Code (DTC) P0117 Engine Coolant Temperature Sensor Low
Input ......................................................... 6E-137
DIAGNOSTIC TROUBLE CODE (DTC) P0118 ENGINE COOLANT TEMPERATURE
SENSOR HIGH INPUT ............................... 6E-139
Circuit Description ...................................... 6E-139

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ISUZU KB P190 2007

ENGINE DRIVEABILITY AND EMISSIONS 6E–5
ENGINE CRANKS BUT WILL NOT RUN ..... 6E-233
HARD START SYMPTOM ............................ 6E-236
ROUGH, UNSTABLE, OR INCORRECT IDLE, STALLING SYMPTOM ............................... 6E-239
SURGES AND/OR CHUGS SYMPTOM ...... 6E-242
HESITATION, SAG, STUMBLE SYMPTOM 6E-245
CUTS OUT, MISSES SYMPTOM ................. 6E-248
LACK OF POWER, SLUGGISH OR SPONGY SYMPTOM ................................................. 6E-251
DETONATION/SPARK KNOCK SYMPTOM 6E-254
POOR FUEL ECONOMY SYMPTOM .......... 6E-256
EXCESSIVE EXHAUST EMISSIONS OR ODORS SYMPTOM ................................... 6E-258
DIESELING, RUN-ON SYMPTOM ............... 6E-261
BACKFIRE SYMPTOM ................................. 6E-262
ON-VEHICLE SERVICE PROCEDURE ....... 6E-264
ENGINE CONTROL MODULE (ECM) .......... 6E-264
CRANKSHAFT POSITION (CKP) SENSOR 6E-264
ENGINE COOLANT TEMPERATURE (ECT) SENSOR .................................................... 6E-265
INTAKE AIR TEMPERATURE (IAT) SENSOR 6E-265
MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR .................................................... 6E-266
THROTTLE POSITION SENSOR (TPS) ...... 6E-266
IDLE AIR CONTROL (IAC) VALVE .............. 6E-267
KNOCK SENSOR ......................................... 6E-268
POWER STEERING PRESSURE (PSP) SWITCH ..................................................... 6E-268
HEATED OXYGEN SENSOR (HO2S) ......... 6E-269
EVAP CANISTER PURGE VALVE SOLENOID 6E-269
FUEL PRESSURE RELIEF .......................... 6E-270
FUEL RAIL ASSEMBLY ............................... 6E-270
FUEL INJECTOR .......................................... 6E-271
FUEL PRESSURE REGULATOR ................ 6E-273
IGNITION COIL ............................................ 6E-275
SPARK PLUGS ............................................ 6E-275
SPARK PLUG CABLES ................................ 6E-277
EMISSION CONTROL ; *CO ADJUSTER (W/O
CATALYSTIC CONVERTER) .................. 6E-277
SPECIAL SERVICE TOOLS ......................... 6E-279

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6E–6 ENGINE DRIVEABILITY AND EMISSIONS
ABBREVIATIONS CHARTS
AbbreviationsAppellation
A/C Air Conditioner
A/T Automatic Transmission
ACC Accessory
BLK Black
BLU Blue
BRN Brown
CEL Check Engine Lamp
CKP Crankshaft Position
DLC Data Link Connector
DTC Diagnostic Trouble Code
DVM Digital Volt Meter
ECM Engine Control Module
ECT Engine Coolant Temperature
EEPROM Electrically Erasable & Programmable Read Only Memory
EVAP Evaporative Emission
EVRV Electric Vacuum Regulating Valve
EXH Exhaust
FT Fuel Temperature
GND Ground
GRY Gray
HOS2 Heated Oxygen Sensor
IAC Idel Air Control
IAT Intake Air Temperature
IG Ignition
ITP Intake Throttle Position
KS Knock Sensor
M/T Manual Transmission
MAP Manifold Absolute Pressure
MIL Malfunction Indicator Lamp
OBD On-Board Diagnostic
ORN Orange
OT Oil Temperature
PNK Pink
RED Red
SW Switch
TB Throttle Body
TEMP Temperature
TP Throttle Position
VCC Voltage Constant Control
VSS Vehicle Speed Sensor
WHT White
YEL Yellow

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6E–8 ENGINE DRIVEABILITY AND EMISSIONS
1234
(1)
(2) Injector #1 Cylinder
Injector #2 Cylinder (3)
(4) Injector #3 Cylinder
Injector #4 Cylinder (Under the ECM)
(1) Ignition Coil Module Assembly
(1) Heated Oxygen Sensor (HO2S)

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6E–10 ENGINE DRIVEABILITY AND EMISSIONS
(1) Canister(1)
(2) Fuel Tank
Fuel Pump
2
1
(1)
(2) Vehicle Speed Sensor (VSS)
Transmission Assembly
12
(1)
(2) Power Steering Pressure Switch
Power Steering Oil Pump Assembly
12

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6E–28 ENGINE DRIVEABILITY AND EMISSIONS
CONNECTOR LIST
No.Connector face No.Connector face
B-24
Green Meter-B C-122
CO Adjuster
B-58
Black Check connector E-6
Fuel injector
B-62
White Ignition switch (IGSUB : G1) E-7
Fuel injector
B-63
White Ignition switch (IGSUB : G2) E-8
Fuel injector
B-68
Immobilizer E-9
Fuel injector
C-2
Silver Engine room-RH ground E-18
Ignition coil
C-56
ECM E-60
ECM
C-107
White J/B E2 E-72
Engine earth-A
C-108
White J/B E1 E-74
Engine earth-B
C-121
IAT sensor E-77
O
2 sensor

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6E–32 ENGINE DRIVEABILITY AND EMISSIONS
FUSE AND RELAY LOCATION (LHD & RHD)
FUSE
SLOW BLOW FUSE
RELAY No. Capacity Indication on label No. Capacity Indication on label
1— — 1 215A CIGER/ACC
SOCKET
2 10A ABS/4WD 13 15A AUDIO (+B)
3 10A TRAILER 14 20A DOOR LOCK
4 15A BACK UP 15 10A METER (+B)
5 15A METER16 10A ROOM
6 10A TURN17 10A ANTI THEFT
7 15A ELEC.IG 18 15ASTOP
815A ENGINE 19 — —
9 20A FRT WIPER 20 10A STARTER
10 15A EGR (RHD)
IG.COIL (LHD) 21 10A
SRS
11 10A AUDIO
No. Capacity Indication on label 22 20A RR DEF
23 30A POWER WINDOW
Connector No. B-7B-8B-40
C24SE REAR DEFOGGER POWER WINDOW (NO RELAY)
FUSE BOX

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6E–42 ENGINE DRIVEABILITY AND EMISSIONS
ECM CONNECTOR PIN ASSIGNMENT & OUTPUT SIGNAL
Connector J1 Port: View Looking Into ECM Case
1
17 16
32
PIN16
PIN1
PIN17 PIN32
Pin
No. B/
Box
No. Pin Function
Wire
Color Signal or Continuity
ECM
Connection Tester Position
Key SW Off Key SW
On Engine
Idle Engine
2000rpm Range (+) (-)
J1-1 J1-1 Ground BLK/
WHT Continuity
with
ground -
- - Disconnect ΩJ1-1 GND
J1-2 J1-2 Ground BLK/
WHT Continuity
with
ground -
- - Disconnect ΩJ1-2 GND
J1-3 J1-3 Knock Sensor Signal YEL Less than 1V--- ----
J1-4 J1-4 No Connection - --- - -- - -
J1-5 J1-5 Canister Purge Solenoid Valve RED/
YEL Less than
1V Wave form G or 12-14V
Connect DC V J1-5 GND
J1-6 J1-6 Crankshaft Position (CKP) Sensor (Ground) RED Approx.
0.58kΩ -
- - Disconnect ΩJ1-6 J1-21
J1-7 J1-7 Throttle Position Sensor (TPS) Output
Signal BLU Less than
1V Approx 0.7V Approx
0.8VConnect DC V J1-7 J1-32
J1-8 J1-8 No. 3 Injector GRN/
BLK Less than
1V Wave form E or 12-14V
Connect DC V J1-8 GND
J1-9 J1-9 No. 1 Injector GRN/
WHT Less than
1V Wave form E or 12-14V
Connect DC V J1-9 GND
J1-10 J1-10 No Connection - --- - -- - -
J1-11 J1-11 No. 4 Injector GRN Less than
1V Wave form E or 12-14V
Connect DC V J1-11 GND
J1-12 J1-12 No Connection - --- - -- - -
J1-13 J1-13 Idle Air Control Valve (IACV) Coil B High BLU/
RED Less than
1V Less than 1V / 10-14V
Connect DC V J1-13 GND
J1-14 J1-14 No Connection - --- - -- - -
J1-15 J1-15 Throttle Position Sensor (TPS) Power
Supply RED Less than
1V Approx. 5V
Connect DC V J1-15 J1-32
J1-16 J1-16 MAP Sensor Ground GRN Continuity with
ground -
- - Connect ΩJ1-16 GND
J1-17 J1-17 Ground BLK/
WHT Continuity
with
ground -
- - Connect ΩJ1-17 GND
J1-18 J1-18 Coil Module 2 (No. 2 & 3 Cylinder) BLU -
-Wave form F -- - -
J1-19 J1-19 Coil Module 1 (No. 1 & 4 Cylinder) GRN -
-Wave form F -- - -
J1-20 J1-20 No Connection - --- - -- - -

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