door lock ISUZU TF SERIES 2004 User Guide

8A-2 ELECTRICAL-BODY AND CHASSIS
PAGE
Fuse and Slow Blow Fuse Location (Relay and Fuse Box) .................................... 8A- 31
Fuse Location ............................................................................................................. 8A- 33
Diode Location ........................................................................................................... 8A- 34
Fuse Block Circuit ...................................................................................................... 8A- 35
Fuse Block Circuit (C24SE) ....................................................................................... 8A- 35
Fuse Block Circuit (6VE1) ......................................................................................... 8A- 37
Fuse Block Circuit (4JA1-TC/4JH1-TC) - RHD ......................................................... 8A- 39
Fuse Block Circuit (4JA1-TC/4JH1-TC) – LHD ......................................................... 8A- 41
Fuse Block Circuit (4JH1-L) ...................................................................................... 8A- 43
Grounding Point ............................................................................................................. 8A- 45
Ground Point .............................................................................................................. 8A- 45
Ground Point Location .............................................................................................. 8A- 61
Main Cable harness Routing .......................................................................................... 8A- 63
C24SE / 6VE1 / 4JA1-L / 4JH1-TC .............................................................................. 8A- 63
Instrument Harness .................................................................................................... 8A- 71
System Repair .................................................................................................................8A- 73
Start and Charging ..................................................................................................... 8A- 73
Engine Control Module (ECM) ................................................................................... 8A- 89
Exhaust Gas Recalculation (EGR): 4JA1-L Only ...................................................... 8A- 109
Lighting ....................................................................................................................... 8A- 114
Front Fog Light ........................................................................................................... 8A- 136
Rear Fog Light ............................................................................................................ 8A- 144
Head Light Leveling ................................................................................................... 8A- 149
Illumination ................................................................................................................. 8A- 154
Hazard Warning Flasher, Turn Signal Light, Back Up Light,
Horn and Stop Light ................................................................................................. 8A- 161
Dome Light, Spot Light and Warning Buzzer .......................................................... 8A- 181
Windshield Wiper and Washer .................................................................................. 8A- 196
Transmission Control Module (TCM) ....................................................................... 8A- 214
Meter, Warning Light and Indicator Light ................................................................ 8A- 223
Heater and Air Conditioning ...................................................................................... 8A- 281
Power Door Lock ....................................................................................................... 8A- 293

ELECTRICAL-BODY AND CHASSIS 8A-3
PAGE
Power Window ........................................................................................................... 8A- 310
Audio, Clock and Cigarette Lighter .......................................................................... 8A- 329
Power Door Mirror ...................................................................................................... 8A- 337
Rear Defogger ............................................................................................................ 8A- 349
SRS-Air Bag ................................................................................................................ 8A- 358
Transfer Case Control Module .................................................................................. 8A- 361
Anti-Lock Brake System ............................................................................................ 8A- 373
Immobilizer ................................................................................................................. 8A- 376
Keyless Entry ............................................................................................................. 8A- 385
Anti Theft ....................................................................................................................8A- 400
Auto Cruise ................................................................................................................. 8A- 412
Trailer Hitch ................................................................................................................ 8A- 415
Connector List ................................................................................................................8A- 418

ELECTRICAL-BODY AND CHASSIS 8A-107
REMOVAL AND INSTALLATION


ECM (ENGINE CONTROL MODULE):
4JA1-TC / 4JH1-TC


Removal
1. Remove the passenger side front seat – refer to Section 10
CAB.
2. Remove the passenger side front door opening scuff plate.
3. Raise the carpet to gain access to the four hex-head bolts
securing the ECM and ECM cover to the floorpan
.
4. Remove the four hex-head bolts.
5. Pull the two harness connector locks away from the
harness connectors and then remove the connectors form
the ECM.
6. Remove the ECM from the vehicle.
Refer to the Section 6E-ENGINE of this Manual.
IMPORTANT: The replacement ECM must be programmed.
“SPS (Service Programming System) and immobiliser
programming (if equipped) is/are necessary”







Installation
Follow the removal procedure in the reverse order to install the
ECM.
Torque passenger seat securing bolts to the specified value –
refer to Section 10 CAB
Pay close attention to the important points mentioned in the
following paragraphs.



Connector
Be absolutely sure that ECM is securely connected.
This will prevent a poor contact and open circuit.

ELECTRICAL-BODY AND CHASSIS 8A-193

DOOR SWITCH
Removal
1. Disconnect the battery ground cable.
2. Loosen the screw

1.
3. Remove the door switch.
4. Disconnect the door switch connector
3.





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



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


SPOT LIGHT (MAP Light)
Removal
1. Grasp the spot light housing
1 with both hands.
Pull the housing straight down.
This will release the clip.
2. Disconnect the connector

2.
3. Turn socket
3 counterclockwise to remove it.

ELECTRICAL-BODY AND CHASSIS 8A-293
POWER DOOR LOCK
PARTS LOCATION (RHD)








RTW48AXF019201 & RTW48AXF019301

8A-302 ELECTRICAL-BODY AND CHASSIS
TROUBLESHOOTING
QUICK CHART FOR CHECK POINTS
Check Points
Fuse
C-14
(20A) Power
Window &
Door Lock
Switch Door
Lock
SwitchKey CYLN
Der switch Door Lock Actuator

Cable


Trouble Mode Driver’s
side Driver’s
side D/S P/S Passen
ger’s
side RR-RH RR-LHHarness
1. All the doors do not
lock and unlock
2. All the doors do not
get locked (or
unlocked)

3. Driver’s side door
does not get locked
(or unlocked)

4. FRT passenger’s side
door does not get
locked (or unlocked)

5. RR door-RH does not
get locked (or
unlocked)

6. RR door-LH does not
get locked (or
unlocked)

7. Door lock does not
operate when
operating from the
driver’s seat side

ELECTRICAL-BODY AND CHASSIS 8A-303
1. All the doors do not lock and unlock

Checkpoint Trouble Cause Countermeasure


Reinstall or replace the fuse
No. C-14 (20A)

Poor fuse contact or blown
NG

Repair grounding point
C-2
contact

Grounding point
C-2


Poor grounding point contact


Repair open circuit or
connector contact
Voltage between the driver’s
side power window & door
lock SW harness side
connector terminal 1
D-5
and the ground (Should be
battery voltage present)

Open circuit or poor connector
contact
NG NG OK
OK OK

Fuse No. C-14 (20A, Fuse
box)


Repair open circuit or
connector contact

Open circuit or poor connector
contact
NG
Replace the driver’s side
power window & door lock
SW.
Driver’s side power window &
door lock SW. function

SW. malfunction
NG OK

Continuity between 4
D-4
and
C-2




2. All the doors do not get locked (or unlocked)


Repair open circuit or
connector contact

Open circuit or poor connector
contact
NG
Replace the driver’s side
power window & door lock
SW.
Driver’s side power window &
door lock SW. function

SW. malfunction
NG OK
Continuity between the driver’s
side power window & door
lock SW harness side
connector terminals 14
D-20
and 6
D-20

8A-304 ELECTRICAL-BODY AND CHASSIS
3. Driver’s side door does not get locked (or unlocked)

Checkpoint Trouble Cause Countermeasure

Replace the door lock SW.Door lock SW. functionSW. malfunction NG



4. FRT passenger’s side door does not get locked (or unlocked)

Replace the FRT passenger’s
side door lock actuatorFRT passenger’s side door
lock actuator functionActuator malfunction NG



5. RR door-RH does not get locked (or unlocked)

Replace the RR door lock
actuator-RHRR door lock actuator-RH
functionActuator malfunction NG



6. RR door-LH does not get locked (or unlocked)

Replace the RR door lock
actuator-LHRR door lock actuator-LH
functionActuator malfunction NG



7. Door lock does not operate when operated from the driver’s seat side


Repair grounding point
C-2
contact

Poor grounding point contact
NG

Replace the door lock SW.
Continuity between the door
lock SW. side connector
terminals 1
D-4 and 2 D-4
when the SW is locked and
between is unlocked 2
D-4
and 4
D-4 when the SW.

SW. malfunction
NG OK

Grounding point
C-2

ELECTRICAL-BODY AND CHASSIS 8A-305
REMOVAL AND INSTALLATION

This photo is based on 2 doors








DRIVER SEAT SIDE POWER WINDOW &
DOOR LOCK SWITCH
Removal
1. Disconnect the battery ground cable.
2. Removes the screw in pull cup with the 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.


DRIVER’S SIDE DOOR LOCK SWITCH
Removal
1. Door Lock ASM

Refer to the removal steps of the DOORS in section 10
“BODY”.
2. Door Lock Switch



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

8A-306 ELECTRICAL-BODY AND CHASSIS











FRT PASSENGER’S SIDE DOOR LOCK
ACTUATOR
Removal
1. Door Lock ASM

Refer to the removal steps of the DOORS in Section 10
“BODY”.
2. Door Lock Actuator

Remover the actuator fixing bolts.

Disconnect the door lock link rod.

Disconnect the actuator connector.

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










RR DOOR LOCK ACTUATOR-LH & RH
Removal
1. Door Lock ASM

Refer to the removal steps of the DOORS in section 10
“BODY”.
2. Door Lock Actuator

Remove the actuator fixing bolts.

Disconnect the door lock link rod.

Disconnect the actuator connector.

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