2002 ISUZU AXIOM Service Repair Manual

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Page 961 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6D3±19
STARTING AND CHARGING SYSTEM (6VE1 3.5L)
Installation
1. Install generator assembly to the position.
2. Install generator assembly and tighten the fixing bolts
to the specified torque.
Torque:

Page 962 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6D3±20
STARTING AND CHARGING SYSTEM (6VE1 3.5L)
Disassembly
1. Remove the through bolt.
Insert the tip of a pry bar into the gaps between the
front cover and the stator core.
Pry apart and separate t

Page 963 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6D3±21
STARTING AND CHARGING SYSTEM (6VE1 3.5L)
7. Remove bolts which secure stator terminal to rectifier
terminal, and remove stator.
066RS030
8. Remove Bolts which secure regulator, rectifier and
b

Page 964 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6D3±22
STARTING AND CHARGING SYSTEM (6VE1 3.5L)
4. Check for continuity between slip ring and rotor core.
In case of continuity, replace the rotor assembly.
066RS017
Stator Coil
1. Check for continui

Page 965 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6D3±23
STARTING AND CHARGING SYSTEM (6VE1 3.5L)
Rectifier Assembly
1. Measure the resistance between each diode terminal
and aluminum diode fin in forward and reverse
directions with the connection o

6D3±23
STARTING AND CHARGING SYSTEM (6VE1 3.5L)
Rectifier Assembly
1. Measure the resistance between each diode terminal
and aluminum diode fin in forward and reverse
directions with the connection of the tester leads
switched. The diodes are normal if resistance is
nearly zero ohms in one direction and is infinitely high
in the other direction.
2. If a diode has no resistance or equal resistance in
both directions, it is defective and should be replaced
together with the holder.
066RS036
IC Regulator Assembly
Connect a variable resistor, two 12V batteries, a fixed
resistor, and a voltmeter to the IC regulator as shown in
illustration.
a. Measuring equipment specifications
1. Fixed resistor (R1) : 10 Ohms /3W
2. Variable resistor (Rv) : 0-300 Ohms/12W
3. Batteries (BAT1, BAT2) : 12V (2 Batteries)
4. DC voltmeter : 0-50V/0.5 steps (4 Check points)
b. Measuring procedure
1. Measure the voltage ªV1º across the first battery
(BAT1). If the reading is between 10 and 13 volts,
the battery is normal.
2. Measure the voltage ªV3º across both the batteries
(BAT1, BAT2). If the reading is between 20 and 26
bolts, the batteries are normal.
3. Gradually increase the resistance of the variable
resistor from zero. Measure the voltage ªV2º (the
voltage across the F and E terminals).
Check to see that the voltage across ªV1º changes at
this time. If there is no change, the voltage regulator
is faulty and must be replaced.4. Measure the voltage at ªV4º (the voltage across the
variable resistor center tap and terminal E with the
variable resistor resistance held constant). The
measured voltage should be within the specified
(14.4+0.3 volts) limits. If it is not, the regulator must
be replaced.
066RX003
Reassembly
To reassemble, follow the disassembly steps in the
reverse order, noting the following points:
NOTE:
Never make battery connections with polarities
reversed, or battery will be shorted via the diodes.
This will cause damage to the diodes.
Do not connect generator B terminal to ground; it is
connected directly to the battery.
This cable will burn if it is connected to ground.
Make sure to disconnect the positive (+) terminal of
the battery when quick-charging battery .
Diodes may be damaged due to abnormal pulse
voltage generated by the quick charger.
When reassembling the front section to rear section,
insert a stiff wire into hole in the rear face of the rear
cover from the outboard side to support the brush in
raised position, then insert the front section to which
rotor is assembled.
Reassemble parts carefully to be sure they fit into
their original position, paying attention to the
insulated portions.
Wipe insulating tubes, washers and plates clean and
install them in position carefully to avoid getting oil or
grease on them.

Page 966 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6D3±24
STARTING AND CHARGING SYSTEM (6VE1 3.5L)
1. Using a press with a socket wrench attached,
reassemble rotor and rear end cover assembly in the
front cover.
066RS022
2. Install pulley on the roto

Page 967 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6D3±25
STARTING AND CHARGING SYSTEM (6VE1 3.5L)
Main Data and Specifications
General Specifications
Battery voltageV12
Rated outputA90
Direction of rotation
(as viewed from pulley side)Clockwise
Rate

Page 968 of 2100

ISUZU AXIOM 2002 Service Repair Manual 6E±1
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
AXIOM
ENGINE
6VE1 3.5L ENGINE
DRIVEABILITY AND EMISSIONS
CONTENTS
Specifications 6E±6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Tighteni

6E±1
6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS
AXIOM
ENGINE
6VE1 3.5L ENGINE
DRIVEABILITY AND EMISSIONS
CONTENTS
Specifications 6E±6. . . . . . . . . . . . . . . . . . . . . . . . . . .
Tightening Specifications 6E±6. . . . . . . . . . . . . . .
Diagrams and Schematics 6E±7. . . . . . . . . . . . . . . .
PCM Wiring Diagram (1 of 7) 6E±7. . . . . . . . . . . .
PCM Wiring Diagram (2 of 7) 6E±8. . . . . . . . . . . .
PCM Wiring Diagram (3 of 7) 6E±9. . . . . . . . . . . .
PCM Wiring Diagram (4 of 7) 6E±10. . . . . . . . . . . .
PCM Wiring Diagram (5 of 7) 6E±11. . . . . . . . . . . .
PCM Wiring Diagram (6 of 7) 6E±12. . . . . . . . . . . .
PCM Wiring Diagram (7 of 7) 6E±13. . . . . . . . . . . .
PCM Pinouts 6E±14. . . . . . . . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Blue Connector
± Row ªF1 ~ 20º 6E±14. . . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Blue Connector
± Row ªF20 ~ 40º 6E±15. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Blue Connector
± Row ªF41 ~ 60º 6E±16. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Blue Connector
± Row ªF61 ~ 80º 6E±17. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Red Connector
± Row ªS1 ~ 20º 6E±19. . . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Red Connector
± Row ªS21 ~ 40º 6E±21. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Red Connector
± Row ªS41 ~ 60º 6E±23. . . . . . . . . . . . . . . . . . . . .
PCM Pinout Table, 80-Way Red Connector
± Row ªS61 ~ 80º 6E±25. . . . . . . . . . . . . . . . . . . . .
Component Locators 6E±27. . . . . . . . . . . . . . . . . . .
Undercarriage Component Locator 6E±29. . . . . .
Fuse and Relay Panel (Underhood
Electrical Center) 6E±30. . . . . . . . . . . . . . . . . . . . .
Sensors and Miscellaneous Component
Locators 6E±31. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnosis 6E±33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Strategy-Based Diagnostics 6E±33. . . . . . . . . . . . .
DTC Stored 6E±33. . . . . . . . . . . . . . . . . . . . . . . . . . .
No DTC 6E±33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
No Matching Symptom 6E±33. . . . . . . . . . . . . . . . .
Intermittents 6E±33. . . . . . . . . . . . . . . . . . . . . . . . . .
No Trouble Found 6E±33. . . . . . . . . . . . . . . . . . . . .
Verifying Vehicle Repair 6E±33. . . . . . . . . . . . . . . .
General Service Information 6E±33. . . . . . . . . . . . . .
OBD II Serviceablity Issues 6E±33. . . . . . . . . . . . .
Emissions Control Information Label 6E±34. . . . .
Visual / Physical Engine Compartment
Inspection 6E±34. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Knowledge of Tools Required 6E±35. . . . . .
Serial Data Communications 6E±35. . . . . . . . . . . . . . Class 2 Serial Data Communications 6E±35. . . . .
On-Board Diagnostic (OBD II) 6E±35. . . . . . . . . . . . .
On-Board Diagnostic Tests 6E±35. . . . . . . . . . . . .
Comprehensive Component Monitor
Diagnostic Operation 6E±35. . . . . . . . . . . . . . . . . .
System Status and Drive Cycle for
Satisfying Federal Inspection/Maintenance
(I/M 240) Regulations 6E±36. . . . . . . . . . . . . . . . . .
Common OBD II Terms 6E±36. . . . . . . . . . . . . . . . .
The Diagnostic Executive 6E±36. . . . . . . . . . . . . . .
DTC Types 6E±37. . . . . . . . . . . . . . . . . . . . . . . . . . .
Decimal/Binary/Hexadecimal Conversions 6E±39
Verifying Vehicle Repair 6E±39. . . . . . . . . . . . . . . .
Reading Diagnostic Trouble Codes Using
The Tech 2 Scan Tool 6E±39. . . . . . . . . . . . . . . . .
Tech 2 6E±40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tech 2 Features 6E±41. . . . . . . . . . . . . . . . . . . . . . .
Getting Started 6E±41. . . . . . . . . . . . . . . . . . . . . . . .
Operating Procedure (For Example) 6E±42. . . . .
DTC Modes 6E±43. . . . . . . . . . . . . . . . . . . . . . . . . . .
DTC Information Mode 6E±43. . . . . . . . . . . . . . . . .
Miscellaneous Test 6E±44. . . . . . . . . . . . . . . . . . . .
Lamps Test 6E±44. . . . . . . . . . . . . . . . . . . . . . . . . . .
Relays Test 6E±46. . . . . . . . . . . . . . . . . . . . . . . . . . .
EVAP Test 6E±47. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel System Test 6E±48. . . . . . . . . . . . . . . . . . . . . .
Instruments Test 6E±50. . . . . . . . . . . . . . . . . . . . . . .
EGR Control Test 6E±52. . . . . . . . . . . . . . . . . . . . . .
Variable Intake Manifold Solenoid Test 6E±52. . .
Injector Balance Test 6E±54. . . . . . . . . . . . . . . . . . .
Plotting Snapshot Graph 6E±54. . . . . . . . . . . . . . . . .
Plotting Graph Flow Chart (Plotting graph
after obtaining vehicle information) 6E±55. . . . . .
Flow Chart for Snapshot Replay (Plotting
Graph) 6E±56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Primary System-Based Diagnostic 6E±57. . . . . . . . .
Primary System-Based Diagnostic 6E±57. . . . . . .
Fuel Control Heated Oxygen Sensor 6E±57. . . . .
HO2S Heater 6E±57. . . . . . . . . . . . . . . . . . . . . . . . .
Catalyst Monitor Heated Oxygen Sensors
and Diagnostic Operation 6E±57. . . . . . . . . . . . . .
Misfire Monitor Diagnostic Operation 6E±58. . . . . . .
Misfire Monitor Diagnostic Operation 6E±58. . . . .
Misfire Counters 6E±58. . . . . . . . . . . . . . . . . . . . . . .

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