light ISUZU TF SERIES 2004 Repair Manual
Page 793 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-135
LIGHTING RELAY, TAIL RELAY
Check continuity between the relay terminals.
2 - 1............................. No continuity
(When battery voltage is applied between 3 and 4)
2 - 1............................. Continuity
GLOVE BOX ILLUMINATION
Removal
1. Remove the bulb cover 1.
2. Remove the bulb
2.
Installation
To install, follow the removal steps in the reverse order.
POWER/3rd START SW
Removal
Refer to the “Front consol” Section 10 of this manual.
1. Disconnect the battery ground cable.
2. Remove the power/3rd start switch.
3. Remove the bulb.
Installation
To install, follow the removal steps in the reverse order.
A/T LEVER LIGHT BULB
Removal
Refer to the “Front consol” Section 10 of this manual.
1. Remove the A/T lever cover.
2. Remove the light bulb
1.
Installation
To install, follow the removal steps in the reverse order.
Page 794 of 4264
8A-136 ELECTRICAL-BODY AND CHASSIS
FRONT FOG LIGHT
PARTS LOCATION (RHD)
RTW48AXF015001 & RTW48AXF015101
Page 800 of 4264
8A-142 ELECTRICAL-BODY AND CHASSIS
FRONT FOG LIGHT
Removal
1. Remove the radiator grille.
2. Remove the front bumper
3. Disconnect the fog light connector.
4. Remove the fog light.
5. Remove the bulb from the socket.
Remove the socket by turning it counterclockwise.
Installation
Follow the removal procedure in the reverse order to install the
fog light.
Pay close attention to the important points mentioned in the
following paragraphs.
Bulb
Be absolutely sure that the fog light bulb is correctly installed.
This will prevent a poor contact and open circuit.
FRONT FOG LIGHT ADJUSTMENT
Vertical Adjustment
Turn the adjusting screw (1) with a screwdriver to adjust the
aim of the fog light vertically.
RTU4Z0SH000601
FRONT FOG & REAR FOG SWITCH
Page 801 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-143
RTW48ASH000401
Inspection
Check to see if there is any continuity between the terminals of
the front fog light switch.
Replace the switch when the result of inspection is found
abnormal.
Removal
Preparation:
Disconnect the battery ground cable.
1. Ventilation grille
2. Harness connector
3. Front fog light & Rear fog light switch
To remove the switch, push the lock from the back side of
the cluster assembly.
4. Remove the bulb.
RTW48ASH000301
Installation
To install, follow the removal steps in the reverse noting the
following point.
1. Push in the switch with your fingers until it locks securely.
Page 802 of 4264
8A-144 ELECTRICAL-BODY AND CHASSIS
REAR FOG LIGHT
PARTS LOCATION (RHD)
RTW48AXF015401 & RTW48AXF015501
Page 806 of 4264
8A-148 ELECTRICAL-BODY AND CHASSIS
RTW48ASH000701
REAR FOG LIGHT
Removal
1. Remove the screws 1.
2. Remove the lens cover
2.
3. Rear fog push turn the bulb
3 counterclockwise to
disconnect it from the light housing.
Installation
Follow the removal procedure in the reverse order to install the
rear fog light.
Pay close attention to the important points mentioned in the
following paragraphs.
Bulb
Be absolutely sure that the license plate light bulb is correctly
installed.
This will prevent a poor contact and open circuit.
RTU4Z0SH000601
FRONT FOG & RR FOG SWITCH
RTW48ASH000401
Inspection
Check to see if there is any continuity between the terminals of
the leveling switch.
Replace the switch when the result of inspection is found
abnormal.
Removal
Preparation:
Disconnect the battery ground cable.
1. Ventilation grille
2. Harness connector
3. Front fog light & Rear fog light switch
To remove the switch, push the lock from the back side of
the cluster assembly.
4. Remove the bulb.
Page 807 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-149
HEADLIGHT LEVELING
PARTS LOCATION (RHD)
RTW48AXF015801 & RTW48AXF015901
Page 811 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-153
HEADLIGHT LEVELING SWITCH
Incorrect beam angle due to load change can be corrected.
A four position switch, 0-3, can alter the beam angle through
1.7 degrees on the long wheel base model and 2.17 degrees
on the short wheel base model.
825R300049
Inspection
Check to see if there is any continuity between the terminals of
the leveling switch.
Replace the switch when the result of inspection is found
abnormal.
Removal
Preparation:
Disconnect the battery ground cable.
1. Ventilation grille
2. Harness connector
3. Headlight leveling switch
To remove the switch, push the lock from the back side of
the cluster assembly.
Installation
To install, follow the removal steps in the reverse noting the
following point.
1. Push in the switch with your fingers until it locks securely.
Page 819 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-161
HAZARD WARNING FLASHER, TURN SIGNAL LIGHT, BACK UP
LIGHT, HORN AND STOP LIGHT
PARTS LOCATION (RHD)
RTW48AXF016601 & RTW48AXF016701
Page 824 of 4264
8A-166 ELECTRICAL-BODY AND CHASSIS
TROUBLESHOOTING
STOPLIGHT AND HIGH MOUNTED STOPLIGHT
1. One side of stoplight does not light
Checkpoint Trouble Cause Countermeasure
Replace the bulb or repair
connector contact
Burned out bulb or poor
connector contact
NG
Repair open circuit or
connector contact
Repair open circuit or
connector contact
Open circuit or poor connector
contact
Continuity between
9
H-9 - 2 F-6 (LH) (or
2
F-5 (RH))
Open circuit or poor connector
contact
Continuity between
C-109 - 4 F-6 (LH) (or
4
F-5 (RH)) NG NG OK
OK
Stoplight bulb continuity
2. Both sides of stoplight do not light
Adjust the switch installation
position
Stop light switch (or brake
switch) function
Incorrect the switch installation
or adjustment
NG
Repair open circuit or
connector contact
Voltage between 2 F-6
ground or 2
F-5 - ground
with brake pedal depressed
(Should be battery voltage
present)
Open circuit or poor connector
contact between stoplight
switch (or brake switch) and
stoplight NG OK
Reinstall or replace fuse No.
SBF-9 (50A)
or 1
C-108 - 4
C-107
Fuse No. C-18 (15A)
Fuse No. SBF-9 (50A, Fuse
and Relay box)
or 1
C-108 - 4
C-107
Fuse No. C-18 (15A)
Poor fuse contact or blown
NG
OK