2007 ISUZU KB P190 lock

8A-432 ELECTRICAL-BODY AND CHASSIS


RTW 780SH002801


REAR POWER WINDOW & DOOR LOCK
SWITCH-LH & RH
Removal
1. Disconnect the battery ground cable.
2. Remove the screw in the pull cup with the tip of a screwdriver.
3. Remove the switch bezel by pushing the spring with the tip of a screwdriver.
4. Disconnect the connector.

ATTENTION:
When removing a switch bezel lift from the front in the
bezel.
It follows the front with the screwdriver.
The clip has broken when lifting from the rear in the bezel.



Installation
To install, follow the removal steps in the reverse order.


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8A-434 ELECTRICAL-BODY AND CHASSIS
INSPECTION AND REPAIR






B8
RTW 78ASH002901

Power Window Relay
Check continuity between the relay terminals.
2- 1........................ No continuity
(W hen battery voltage is applied between
3 and 4)
2- 1........................ Continuity





Harness side
D20 D5


Driver’s Side Power Window & Door Lock
Switch
1. Harness Side Connector Circuit
Disconnect the switch connector, and check voltage and continuity between the harness side connector terminals as
shown in the following table.

Terminal No. Wire
color Connecting to Check item Connectin
g terminal Check condition Standard
6 G/R Power window
relay Voltage 6-Ground Starter SW “ON” Approx.
12V
7 BR/R Power window
8 BR/W motor

3 B Ground Continuity 3-Ground - Continuity






Harness side
D10


Front Passenger’s Power Window Switch
1. Harness Side Connector Circuit
Disconnect the switch connector, and check voltage and continuity between the harness side connector terminals as
shown in the following table.

Continuity
-
7-8
Continuity

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8A-436 ELECTRICAL-BODY AND CHASSIS




Harness side
D5

Driver’s Side Power Window Motor
1. Driver’s Side Power Window & Door Lock Switch
Connector Circuit
Disconnect the switch connector, apply the battery voltage (12V) to the harness side connector terminals and check
operation.
Connecting terminals Operation
7 (BR/R) 8 (BR/W ) direction
- + DOW N
+ - UP




D1


2. Driver’s Side Power Window Motor Connector Circuit
Disconnect the switch connector, apply the battery voltage (12V) to the motor side connector terminals and check
operation.
Connecting terminals Operation
1 2 direction
+ - DOW N
- + UP


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8A-440 ELECTRICAL-BODY AND CHASSIS
AUDIO, CLOCK AND CIGARETTE LIGHTER
PARTS LOCATION (RHD)







RTW 78AXF039701 & RTW 78AXF045901

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8A-514 ELECTRICAL-BODY AND CHASSIS
ANTI-LOCK BRAKE SYSTEM
PARTS LOCATION (RHD)







RTW 78AXF040701 & RTW 78AXF046901

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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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ELECTRICAL-BODY AND CHASSIS 8A-539
Keyless Entry System Check
Step Action Value (s) Yes No
1 Check the fuse for the keyless entry power feed
circuit. (EB16 10A)
If a problem found, repair as necessary.
W as the problem found? — Verify repair Go to Step 2
2
1. Check the KCU (Keyless Entry Control Unit)
ground circuit for an open, or short to voltage.
Also, check the KCU ignition feed circuit for an
open or short to ground and the KCU ground
circuit for an open.
2. If a problem is found, repair as necessary.
W as the problem found? — Verify repair Go to Step 3
3
1. Check the front drive side SW circuit for an open,
or short to voltage.
2. If a problem is found, repair as necessary.
W as the problem found? — Verify repair Go to Step 4
4
1. Check the operation "Lock / unlock" by using
transmitter (Remote key) on the vehicle.
W as the problem found? — Go to
Diagnostic Chart Go to
Diagnostic Aids


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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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