2007 ISUZU KB P190 Workshop Repair Manual

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Page 2145 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6D2-2 IGNITION SYSTEM

General Description
Ignition is done by the Ignition Module that fires.
Since the cylinder on exhaust stroke requires less energy to
fire its spark plug, energy from

Page 2146 of 6020

ISUZU KB P190 2007 Workshop Repair Manual IGNITION SYSTEM 6D2-3

Spark Plug
Removal
1. Remove spark plugs.
Inspection and Repair
The spark plug affects entire engine performance and
therefore its inspection is very impo

Page 2147 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6D2-4 IGNITION SYSTEM

Cleaning Spark Plugs
• Clean spark plugs with a spark plug cleaner.
• Raise the ground electrode to an angle of 45 to 60 degrees.
if electrode is wet, dry it ge

Page 2148 of 6020

ISUZU KB P190 2007 Workshop Repair Manual IGNITION SYSTEM 6D2-5
Main Data and Specifications General Specifications
Ignition System
Ignition Form Electronic Ignition System (El system) with Crankshaft angle Sensor
Spark Plug
Type
N

Page 2149 of 6020

ISUZU KB P190 2007 Workshop Repair Manual SECTION 6D3
STARTING AND CHARGING SYSTEM
TABLE OF CONTENTS
PAGE
Starting System .............................................................................................................. 6D3-

SECTION 6D3
STARTING AND CHARGING SYSTEM
TABLE OF CONTENTS
PAGE
Starting System .............................................................................................................. 6D3- 2
General Description ....................................................................................................... 6D3- 2
Service Precaution ......................................................................................................... 6D3- 2
Diagnosis ........................................................................................................................ 6D3- 2
Starter .............................................................................................................................. 6D3- 3
Removal ...................................................................................................................... 6D3- 3
Installation .................................................................................................................. 6D3- 3
Disassembled View ................................................................................................... 6D3- 4
Inspection and Repair ............................................................................................... 6D3- 5
Characteristic Test .................................................................................................... 6D3- 6
Charging System ............................................................................................................ 6D3- 7
General Description ....................................................................................................... 6D3- 7
General On-Vehicle Inspection ..................................................................................... 6D3- 8
Generator ........................................................................................................................ 6D3- 8
Removal ...................................................................................................................... 6D3- 8
Inspection ................................................................................................................... 6D3- 8
Installation .................................................................................................................. 6D3- 9
Diagnosis ........................................................................................................................ 6D3-12
Disassembly ............................................................................................................... 6D3- 13
Clean .......................................................................................................................... . 6D3-14
Inspection ................................................................................................................... 6 D3-14
Reassembly ................................................................................................................ 6D3- 18
Inspection ................................................................................................................... 6 D3-19
Technical Data ................................................................................................................ 6D3-21
S
TA RT ING A ND CHA RGING S YSTE M 6D3-1

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ISUZU KB P190 2007

Page 2150 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6D3-2 STARTING AND CHARGING SYSTEM

Starting System
General Description
Cranking Circuit
The cranking system consists of a battery, starter, starter
switch, starter relay, etc. These main c

6D3-2 STARTING AND CHARGING SYSTEM

Starting System
General Description
Cranking Circuit
The cranking system consists of a battery, starter, starter
switch, starter relay, etc. These main components are
connected.
Starter
The cranking system employs a magnetic type reduction
starter in which the motor shaft is also used as a pinion shaft.
W hen the starter switch is turned on, the contacts of magnetic
switch are closed, and the armature rotates. At the same time,
the plunger is attracted, and the pinion is pushed forward by
the shift lever to mesh with the ring gear.
Then, the ring gear runs to start the engine. W hen the engine
starts and the starter switch is turned off, the plunger returns,
the pinion is disengaged from the ring gear, and the armature
stops rotation. W hen the engine speed is higher than the
pinion, the pinion idles, so that the armature is not driven.

Service Precaution
CAUTION:
Always use the correct fastener in the proper location.
When you replace a fastener, use ONLY the exact part
number for that application. ISUZU will call out those
fasteners that require a replacement after removal. ISUZU
will also call out the fasteners that require thread lockers
or thread sealant. UNLESS OTHERWISE SPECIFIED, do
not use supplemental coatings (Paints, greases, or other
corrosion inhibitors) on threaded fasteners or fastener
joint interfaces. Generally, such coatings adversely affect
the fastener torque and the joint clamping force, and may
damage the fastener. When you install fasteners, use the
correct tightening sequence and specifications. Following
these instructions can help you avoid damage to parts
and systems.

Diagnosis
Condition Possible cause Correction
Starter does not run Charging failure Repair charging system
Battery Failure Replace Battery
Terminal connection failure Repair or replace terminal connector
and/or wiring harness
Starter switch failure Repair or replace starter switch
Starter failure Repair or replace starter

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ISUZU KB P190 2007

Page 2151 of 6020

ISUZU KB P190 2007 Workshop Repair Manual STARTING AND CHARGING SYSTEM 6D3-3

Starter
Removal
1. Remove the battery ground cable.
2. Remove harness connectors (1) and (2).

3. Remove bolts from starter.

Installation
1

Page 2152 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6D3-4 STARTING AND CHARGING SYSTEM
Disassembled View
Legend
1 Bolt
2 Magnetic Switch
3 Gear Case
4 Piston
5 Piston Shaft
6 Center Bracket 7 Armature
8 Yoke Assembly
9 Brush and Brush Holder
10 W

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