bonnet ISUZU KB P190 2007 Workshop Repair Manual

6A-18 ENGINE MECHANICAL (C24SE)
OPERATIONS ON ENGINE AGGREGATES
Engine Damping Blocks (Engine Without
Transmission)
Removal
1. Remove bonnet.
2. Remove radiator.
3. Remove air inlet hose.
4. Remove power steering pump drive belt and power steering pump from engine.




5. Remove all cable connections, hoses and lines from
engine.
6. Remove accelerator cable from inlet pipe.


7. Remove exhaust pipe from manifold.




8. Remove lower nine bolts and transmission from engine
block.
9. Remove clutch slave cylinder and allow to hang free.
10. Remove starter from engine block.

11. Remove upper bolts of left and right engine mounting
from damping blocks.
12. Raise engine slightly.
13. Remove lower bolts of left and right damping blocks.
14. Remove damping blocks.

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6A-20 ENGINE MECHANICAL (C24SE)






6. Install power steering pump and V-belt.

Adjust
Adjust power steering pump V-belt tension according to the
corresponding operation.


Installation
7. Install radiator according to the corresponding operation.
8. Install air inlet hose.
9. Install all electrical cable connections, hoses and lines to engine.
10. Install accelerator cable from inlet pipe.
11. Install bonnet.


Inspection
1. Check engine oil level.
2. Fill up cooling system and bleed according to the corresponding operation.


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Engine Mechanical – V6 Page 6A1–185

Remove
1 Remove the skid plate.
2 Drain the radiator coolant, refer to 6B1 Engine Cooling – V6.
3 Disconnect the battery negative and positive terminal, refer to 8A Electrical Body & Chassis.
4 Remove the battery from the vehicle.
5 Depressurise the fuel system pressure, refer to 6C Fuel System – V6.
6 Make alignment marks on the bonnet and hinges in order to return the bonnet to the exact original position.
7 Remove the bonnet, refer to 2B Sheet Metal.
8 Remove the rubber hose (2) and air duct (1).

Figure 6A1 – 317

9 Disconnect the barometric sensor connector (1).
Figure 6A1 – 318

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Engine Mechanical – V6 Page 6A1–240
Page 6A1–240
Remove
1 Remove the skid plate.
2 Drain the radiator coolant, refer to Section 6B1 Engine Cooling – V6.
3 Disconnect the battery negative and positive terminal, refer to Section 8A Electrical Body & Chassis.
4 Remove the battery from the vehicle.
5 Depressurise the fuel sy stem pressure, refer to Section 6C Fuel System – V6 .
6 Make alignment marks on the bonnet and hinges in order to return the bonnet to the exact original position.
7 Remove the bonnet, refer to Section 2B Sheet Metal.
8 Remove the rubber hose (2) and air duct (1).


Figure 6A1 – 407

9 Disconnect the barometric sensor connector (1).

Figure 6A1 – 408

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ISUZU KB P190 2007

Engine Management – V6 – Service Operations Page 6C1-3–4

1 General Information
1.1 General Description
This Section describes the correct service procedures to repair and test components of the V6 engine management
system. Emphasis is placed on the proper procedures and repair of components related to this specific system.
For component description, operation and location, refer to 6C1-1 Engine Management – V6 – General Information.
Engine cylinder identification follows the international
standard OBD II. This standard calls for the engine cylinder
bank number one to be identified by the location of cylinder
number one. Therefore the numbering for the V6 engine is:
• 1, 3, 5 – Right-hand side (Bank 1).
• 2, 4, 6 – Left-hand side (Bank 2).
The engine firing order is 1, 2, 3, 4, 5, 6.
Figure 6C1-3 – 1
1.2 Service Precautions and Requirements
Service Precautions

The following safety and precautionary
directions must be followed when servicing
the engine management system otherwise
personal injury and / or improper system
operation may occur:
• If working on a vehicle which has been subjected to an under bonnet thermal incident (fire), wear appropriate
protective clothing to prevent personal injury. Components that contain fluoro-elastomer may produce a corrosive
bi-product when subjected to extreme heat.
• Disconnection of the battery affects certain vehicle electronic systems. Refer to the battery disconnection
procedure in 6D1-3 Battery – V6 before disconnecting the battery.
• Disconnect the battery negative lead when performing the following procedures:
• disconnecting the engine control module (ECM) connectors, or
• charging the battery.
• Disconnect the battery negative lead and the ECM connectors before attempting any electric welding on the vehicle.
• Do not start the engine if the battery terminal is not properly secured to the battery.
• Do not disconnect or reconnect the following while the ignition is switched on or when the engine is running:
• any engine management system component wiring connector, or
• battery terminal leads.

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8A-166 ELECTRICAL-BODY AND CHASSIS
LIGHTING SYSTEM
REMOVAL AND INSTALLATION


3 2
1
RTW 78ASH000101

FRONT COMBINATION LIGHT (A type)
Removal
1. Remove the radiator grille 1.
Refer to the removal procedure of the RADIATOR GRILLE
in Section 2B “SHEET METAL”.
2. Remove the front bumper
3.
Refer to the removal procedure of the FRONT BUMPER in
Section 2A “FRAME AND BUMPER”.
3. Disconnect the headlight connector.
4. Disconnect the clearance light connector.
5. Disconnect the turn signal light connector.
6. Remove the front combination light assembly
2.
• Remove four fixing screws.



HEADLIGHT ASSEMBLY (B type)
Removal
1. Open the bonnet.
2. Remove the front combination light assembly. • Refer to "Front Combination Light Assembly" removal
procedure in this section.
3. Remove the radiator grille. • Refer to "Radiator grille" removal procedure in 2B
section.
4. Remove the front bumper. • Refer to "Front Bumper" removal procedure in 2B
section.
5. Disconnect headlight bulb connectors.

RTW 580SH0008001
6. Remove the bolts of headlight assembly. 7. Remove the headlight assembly.



Installation
To install the front combination light assembly, follow the
removal procedure in reverse order.


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8A-168 ELECTRICAL-BODY AND CHASSIS
HALOGEN HEADLIGHT BULB (B type)
Removal
1. Open the bonnet.
2. Disconnect the headlight bulb connectors.

RTW 580SH000101
3. Turn the bulb counterclockwise to remove it.


Installation
To install the headlight, follow the removal procedure in
reverse order.
Pay close attention to the important points mentioned in the
following paragraphs.

Connector
Be absolutely sure that the headlight connector is securely
connected.
This will prevent a contact and an open circuit.


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8A-170 ELECTRICAL-BODY AND CHASSIS

FRONT TURN SIGNAL LIGHT BULB
(A type)
Removal

HALOGEN STD TYPE RTW 78ASH000201

1. Turn the socket counterclockwise to disconnect it from the
front turn signal light housing.
2. Turn the bulb
1 counterclockwise to remove it.



1

HALOGEN PROJECTOR TYPE RTW 78ASH001001



FRONT COMBINATION LIGHT
ASSEMBLY (B type)
Removal
1. Open the bonnet.

RTW 580SH000901
2. Remove the bolt of front combination light assembly
3. Disconnect the front combination light harness connector.
4. Remove the front combination light assembly.


Installation
To install the front combination light assembly follow the
removal procedure in the reverse order.



Connector
Be absolutely sure that the front combination light harness
connector is correctly installed.
This will prevent a poor contact and an open circuit.


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11B-2 ANTITHEFT SYSTEM

Service Precaution
WARNING: THIS VEHICLE HAS A SUPPLEMENTAL
RESTRAINT SYSTEM (SRS). REFER TO THE SRS
COMPONENT AND WIRING LOCATION VIEW IN
ORDER TO DETERMINE WHETHER YOU ARE
PERFORMING SERVICE ON OR NEAR THE SRS
COMPONENTS OR THE SRS WIRING. WHEN YOU
ARE PERFORMING SERVICE ON OR NEAR THE
SRS COMPONENTS OR THE SRS WIRING, REFER
TO THE SRS SERVICE INFORMATION. FAILURE TO
FOLLOW WARNINGS COULD RESULT IN
POSSIBLE AIR BAG DEPLOYMENT, PERSONAL
INJURY, OR OTHERWISE UNNEEDED SRS SYSTEM
REPAIRS.
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.

General Description
The Antitheft system consists of the four major
components which are Antitheft Control Unit (ACU),
Antitheft horn, key (remote key), and scan tool (Tech-2).
This system can be activated by a correctly
programmed key (remote key) and starter switch is set
to OFF.
This system can be deactivated by a correctly
programmed key (remote key) connected with a
correctly programmed ACU and a correctly
programmed lCU.
W hen the vehicle doors, and engine hood are locked,
the antitheft alarm system is designed to protect your
vehicle and valuables from theft.
Any attempt to forcibly open any door, the engine hood
without using the vehicle key (or remote control) will
cause the hazard lights to flash on and off and the horn
to sound intermittently. This will continue for 30 seconds
(Hazard lamp flash; For 5 minutes) before the system
automatically shuts itself off.
Please operate the door either the key lock or remote
key after closing all doors to arm the alarm system.
Miss waning will be detected when the passenger door
is opened with locked condition and then this door is
closed.

During the first 10 seconds:
• LED lights up; Test, switch - on delay
• LED rapidly flashes (2Hz); Door, bonnet, open or
system fault

After approx. 10 seconds:
• LED slowly flashes; System on (0.5Hz)


RTU7Z0SH019101
Activating the anti-theft system
1. W hen the key switch is turned to the ACC position or
removed from the starter switch.
2. Closing and locking all the doors by the keylock o
r
remote key, and the engine hood will cause the
indicator light to come on.
3. Approximately 10 seconds later, the indicator light will slow flash. The anti-theft system is now in
operation.
Antitheft system alarm operating
conditions
W hen the antitheft system is engaged, the alarm will
operate under the following condition;

1. W henever some forcibly attempts to open a door, the engine hood without using the key.
2. W henever someone unlocks a door with door lock knob.
3. W henever the engine hood release handle is operated.



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11B-38 ANTITHEFT SYSTEM
Antitheft System Check
Step Action Value (s) Yes No
1
1. Key position is “ACC”, shut all doors and bonnet.
2. Observe the antitheft lamp.
Note: W hen a key switch is “ACC”, antitheft lamp will
turn on and a antitheft lamp (LED) will be flashing
after 10 seconds.
Is the antitheft lamp "ON” or flashing? — Go to Step 2 Go to
“No antitheft lamp”
2
1. Key position is “ON”, engine “OFF”.
2. Observe the antitheft lamp.
3. Key position is turned “ACC”.
4. Check the antitheft lamp will be turned flashing and lamp will be turned ACC after 10 seconds.
Is the antitheft lamp flashing? — Go to
DTC table Go to Step 3
3
1. Key position is “OFF”.
2. Install the Tech-2.
3. Key position is “ON” or “OFF”.
4. Attempt to display antitheft data with the Tech-2.
Does the Tech-2 display antitheft data? — Go to Step 9 Go to Step 4
4
1. Key position is “OFF”, disconnect the antitheft
control unit (ACU).
2. Check the DLC (Data Link Connector) circuit for an open, short to ground, or short to voltage.
Also, check the DLC ignition feed circuit for an open
or short to ground and the DLC ground circuit for an
open.
W as a problem found? — Go to Step 5 Go to Step 6
5 Repair or replace the DLC (Data Link Connector)
circuit.
W as the action complete? — Go to Step 3 —
6
1 Check the ACU ground circuit for an open, or
short to voltage. Also, check the ACU ignition feed
circuit for an open or short to ground and the ACU
ground circuit for an open.
2 If a problem is found, repair as necessary.
W as the problem found? — Verify repair Go to Step 7
7
Replace the antitheft control unit (ACU).
IMPORTANT: The replacement ACU must be
programmed the antitheft data by Tech-2.
W as the action complete? — Go to Step 8 —
8 Select “Display DTCs” with the Tech-2.
Are any DTCs stored? — Go to applicable
DTC table —
9
1 Observe the antitheft data list on Tech-2.
2 If a problem is found, repair as necessary.
W as the problem found? — System OK Go to
applicable sectio n


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