2007 ISUZU KB P190 ECU

ELECTRICAL-BODY AND CHASSIS 8A-355



Installation
Follow the removal procedure in the reverse order to install the
fuel gauge unit.
Pay close attention to the important points mentioned in the
following paragraphs.


Rubber Seal
Be absolutely sure that the fuel gauge unit rubber seal is
correctly seated.



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



VEHICLE SPEED SENSOR (INSTALLED
ON THE TRANSMISSION)
Removal
1. Disconnect the connector.
2. Remove the vehicle speed sensor body by rotating it.







Installation
To Install, follow the removal steps in the reverse order, noting
the following point.
Tighten the vehicle speed sensor to the specified torque.
Vehicle Speed Sensor Tightening Torque N ⋅m (kg ⋅m/lb.ft)
25 ± 4.9 (2.5 ± 0.5/18 ± 3.6)



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ELECTRICAL-BODY AND CHASSIS 8A-463
REMOVAL AND INSTALLATION



AUDIO
Refer to Section 9 “ACCESSORIES” for details.


RTW 780SH001801
CIGARETTE LIGHTER
Removal
1. Disconnect the battery ground cable.
2. Remove the center cluster ASM.
3. Remove the lighter
1.
4. Disconnect the connector
2.
5. Loosen the ring nut
3 at the back side.
6. Remove the outer case
4.
7. Remove the lighter holder
5 from the bezel.




Installation
Follow the removal procedure in the reverse order to install the
lighter.
Pay close attention to the important points mentioned in the
following paragraphs.



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



RTW 780SH001901
ACC SOCKET
Removal
1. Disconnect the battery ground cable.
2. Remove the center cluster ASM.
3. Disconnect the connector.
4. Remove the holder nut
1.
5. Remove the ACC Socket
2

Installation
Follow the removal procedure in the reverse order to install the
lighter.



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8A-538 ELECTRICAL-BODY AND CHASSIS
TROUBLESHOOTING
Diagnostic procedure
•
Check the operation "Lock / unlock" by using
transmitter (remote key) on the vehicle.
• Check the operation "ON / OFF" for Driver side
door SW on the vehicle.
• Perform the Keyless entry System Check.
Diagnostic Aids
An intermittent may be caused by the following:
• Poor connections.
• Miss routed harness.
• Rubbed through wire insulation.
• Broken wire inside the insulation.
Check for the following conditions:
• Poor connection at keyless entry control unit-
Inspect harness connectors for backed out
terminals, improper mating, broken locks,
improperly formed or damaged terminals, and poo
r
terminal to wire connection.
• Damaged harness-Inspect the wiring harness fo
r
damage.
Check the Electro-Magnetic Interference (EMI)
• Location of vehicle check
Move the vehicle to a new location and perform
the check again.
• Non-OEM Parts.
Switch is “OFF” or remove the Non-OEM parts and
perform the check again.
• Other
Remove the accessory and another key from key.

Check the other items.
• Battery voltage is low.
• Keyless entry programming functions.
• Registration for security code.
• Ignition switch operation.
• Meter system is malfunction.
Check the operation
Check the operation "Lock / unlock" by using
transmitter (remote key) on the vehicle.
Notice
If so equipped the Anti Theft, Refer to ANTI
THEFT SYSTEM in 11B Section.


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8A-540 ELECTRICAL-BODY AND CHASSIS
ID Code not yet programmed
Step Action Value (s) Yes No
1 W as the Keyless entry System Check performed?
— Go to Step 2 Go to
Keyless
entry
System Check
2 Check the key. Is a key peculiar to a vehicle? — Go to Step 3 Refer to
Diagnostic Aids
3 Check the Keyless entry programming functions.
• All transmitters (Remote Key).
If a problem is found, reprogramming as necessary.
(Refer to “ID code new registration”)
W as the action complete? — Go to Step 4 Go to ID code
new registration
4 Check the operation "Lock / unlock" by using transmitter (Remote key) on the vehicle.
W as the problem found? — Go to Step 5 Verify repair
5
Recheck the following condition.
1. Non-OEM parts switch is “OFF” or remove the Non-OEM parts.
2. Move the vehicle to a new location.
3. Check the operation "Lock / unlock" by using transmitter (Remote key) on the vehicle.
W as the problem found? — Go to Step 6 Verify repair
6 Replace the Keyless entry control unit (KCU).
IMPORTANT: The replacement KCU must be
programmed the security code.
W as the problem found? — Go to Step 7 Verify repair
7 Replace the key and lock cylinder assembly with
Keyless entry system (KCU ).
IMPORTANT:
• KCU is not replacing simultaneously.
• After replace lock cylinders, perform the following
below the items.
• Replace the keys and key cylinders.
• Program the Keyless entry system.
(Refer to “ID code new registration”)
W as the action complete? — Verify repair —

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ELECTRICAL-BODY AND CHASSIS 8A-541
No Remote Key Programmed
Step Action Value (s) Yes No
1 W as the Keyless entry System Check performed?
— Go to Step 2 Go to
keyless
entry
System Check
2 Check the key. Is a key peculiar to a vehicle? — Go to Step 3 Refer to
Diagnostic Aids
3 Check the keyless entry programming functions.
• Transmitter (Remote Key).
W as a problem found? — Go to Step 4 Go to Step 5
4 Perform the keyless entry programming functions.
• Transmitter (Remote Key).
(Refer to “ID code new registration”)
W as the action complete? — Go to Step 5 —
5 Replace the transmitter (Remote Key).
IMPORTANT: The replacement transmitter (Remote
Key) must be programmed the ID code.
W as the action complete? — Verify repair —
Door Lock Actuators Short Circuit to Ground
Step Action Value (s) Yes No
1 W as the Keyless entry System Check performed?
— Go to Step 2 Go to
keyless
entry
System Check
2 Check the door lock actuators circuit.
1. Ignition key position is “OFF”.
2. Disconnect the keyless entry control unit (KCU).
3. Check the door lock actuator circuit for short to ground.
If the problem found, repair as necessary.
W as a problem found? — Verify repair Go to Step 3
3 Check the operation "Lock / unlock" by using
transmitter (Remote key) on the vehicle.
W as the problem found? — Go to Step 4 Verify repair
4 Check the door lock actuator.
If the problem found, repair as necessary.
W as a problem found? — Verify repair Go to Step 5
5 Replace the Keyless entry control unit (KCU).
IMPORTANT: The replacement KCU must be
programmed the security code.
W as the problem found? — Go to Step 7 Verify repair


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8A-544 ELECTRICAL-BODY AND CHASSIS
Keyless Entry System

General Description
The system’s main features are summarized as follows.
・ Keyless entry with visual feedback
・ Highly secure encrypted transmission format
incorporating rolling code strategy
・ Field programmable remote keys
・ Door lock control
・ Illuminated entry with fade out
・ Illuminated exit
・ Remote door lock / ignition key interlock
・ Door ajar warning indicator in the cluster


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ELECTRICAL-BODY AND CHASSIS 8A-577
ANTI THEFT INDICATOR


Removal
1. Disconnect the battery ground cable.



RTW 78ASH001801
2. Remove the side ventilation grille (1).



RTW 78ASH001701
3. Disconnect the indicator connector and screw from the
backside of the side ventilation grille to remove the anti theft
indicator (1).


Installation
To install, follow the removal steps in the reverse order, noting
the following point.
1. Push in the switch with your fingers until it locks securely.


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8A-580 ELECTRICAL-BODY AND CHASSIS
TECH-2 OPERATION AND PROGRAMING
KEYLESS ENTRY
General Description
W hen the anti-theft and keyless entry control unit and/or the
transmitters (remote keys) are replaced, the security codes
and/or transmitter ID codes must be programmed by using he
Tech-2. The following pages show the procedures to program
in regard to the anti-theft and keyless entry system. Please
refer to Tech-2 scan tool user’s guide in detail.








901RW 180
Legend
(1) PCMCIA Card (4) DLC Cable
(2) RS 232 Loop Back Connector (5)Tech–2
(3) SAE 16/19 Adaptor




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