bulb ISUZU TF SERIES 2004 User Guide
[x] Cancel search | Manufacturer: ISUZU, Model Year: 2004, Model line: TF SERIES, Model: ISUZU TF SERIES 2004Pages: 4264, PDF Size: 72.63 MB
Page 659 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-1
SECTION 8A
ELECTRICAL-BODY AND CHASSIS
TABLE OF CONTENTS
PAGE
General Information ........................................................................................................ 8A- 4
Notes for Working on Electrical Items .......................................................................... 8A- 5
Symbols and Abbreviations ........................................................................................... 8A- 11
Symbols ...................................................................................................................... 8A- 11
Abbreviations ............................................................................................................. 8A- 12
Parts for Electrical Circuit .............................................................................................. 8A- 13
Wiring .......................................................................................................................... 8A- 13
Fuse ............................................................................................................................. 8A- 15
Fusible Link ................................................................................................................ 8A- 15
Relay ............................................................................................................................ 8A- 16
Diode ........................................................................................................................... 8A- 17
Connector ................................................................................................................... 8A- 18
Battery ......................................................................................................................... 8A- 19
Reading the Circuit Diagram .......................................................................................... 8A- 22
Parts Location ............................................................................................................ 8A- 22
Circuit Diagram ........................................................................................................... 8A- 23
Connector List ............................................................................................................. 8A- 23
Main Data and Specifications ........................................................................................ 8A- 24
Bulb Specifications .................................................................................................... 8A- 24
Relay and Fuse ................................................................................................................ 8A- 26
Relay and Fuse Box Location ................................................................................... 8A- 26
Relay Location ............................................................................................................ 8A- 28
Page 669 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-11
SYMBOLS AND ABBREVIATIONS
SYMBOLS
Symbol Meaning of Symbol Symbol Meaning of Symbol
Fuse
Bulb
Fusible link
Double filament bulb
Fusible link wire
Motor
Switch
Variable resistor Rheostat
Switch
Coil (inductor), solenoid,
magnetic valve
Switch (Normal close type)
Contact wiring
Relay
Battery
Diode
Connector
Electronic Parts
Light emitting diode
Resistor
Reed switch
Speaker
Condenser
Buzzer
Horn
Circuit breaker
Vacuum switching valve
Page 682 of 4264
8A-24 ELECTRICAL-BODY AND CHASSIS
MAIN DATA AND SPECIFICATIONS
BULB SPECIFICATIONS
This illustration based on LHD
RTW8AMF000501
Light Name Bulb No. Rated Power
V-W Number
of Bulbs Lens
Color Remarks
Headlight H4 12-60/55 2 White Halogen
High mounted stop light W5W 12-5 4 RED
Fog light H3 12-55 2 White
Front turn signal light PY21W 12-21 2 White Bulb Lens color
Amber
Clearance light W5W 12-5 2 White
Side turn signal light W5W 12-5 2 White with
amber
inner lens
Rear turn signal light PY21W 12-21 2 White Bulb Lens color
Amber
Rear fog light P21W 12-21 1 Red
Tail and stop light P21/5W 12-21/5 2 Red
Back up light P21W 12-21 2 White
License plate light W5W 12-5 2 White
A/C-Heater control light - 12-0.7 1 -
Dome light - 12-10 1 White
Spot light - 12-5 2 White
Page 683 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-25
Light Name Rated Power
V-W Number of
Bulbs Lens
Color Remarks
W/O Tacho 5Illumination light 14-2
W/ Tacho 7White
Turn Signal 14-1.12 2 Green
High Beam 14-1.12 1 Blue
Low Fuel 14-1.12 1 Amber
A/T Oil Temp 14-1.12 1 Red
Brake system 14-1.12 1 Red
4WD 14-1.12 1 Green
Seat belt 14-1.12 1 Red
Oil pressure 14-1.12 1 Red
ABS 14-1.12 1 Amber
SEDIMENTER 14-1.12 1 Red
AIR BAG 14-1.12 1 Red
Brake 14-1.12 1 Red
Charge 14-1.12 1 Red
Check Trans 14-1.12 1 Red
Check 4WD 14-1.12 1 Red
Power drive 14-1.12 1 Amber
3rd start 14-1.12 1 Green
4L 14-1.12 1 Green
Cruise Set 14-1.12 1 Green
Check Engine 14-1.12 1 Amber
Front Fog 14-1.12 1 Green
Rear foglight 14-1. 12 1 Amber
Glow 14-1.12 1 Amber
P LED 1 Green
R LED 1 Green
N LED 1 Green
D LED 1 Green
3 LED 1 Green
2 LED 1 Green
Indicator/
Warning
light
A/T shift
indicator
L LED 1 Green
Page 779 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-121
2. High or low beam does not light on both headlights
Checkpoint Trouble Cause Countermeasure
Repair or replace the
combination switch
Dimmerpassing switch
continuity
Poor switch contact or switch
faulty
NG
Repair open circuit or
connector contact
Voltage between
4
X-4 - ground and
4
B-60 - ground
Open circuit between
headlight and dimmerpassing
switch
NG OK
3. RH (or LH) high and low beam does not light
Replace the headlight bulb
Headlight connector continuity
Blown filament or air leakage
NG
Repair or replace the wire
and/or connector
Wiring continuity between
connector 3
C-19 - fuse No.
EB-7 or 3
C-26 fuse No.
EB-8
Open circuit and/or poor
connector contact
NG OK
Reinstall or replace fuse No.
EB-7 or No. EB-8
Fuse No. EB-7 (10A) or
No. EB-8 (10A) (Relay and
fuse box)
(No. EB-7 RH, No. EB-8: LH)
Poor installation or blown fuse
NG
OK
4. High or low beam does not light on one headlight (RH or LH)
Replace the headlight
assemblyHeadlight connector continuityBlown filament NG
Repair open circuit or
connector contactWiring continuity between
headlight and dimmerpassing
switchOpen circuit between
headlight and dimmerpassing
switch NG OK
Page 780 of 4264
8A-122 ELECTRICAL-BODY AND CHASSIS
5. Headlight does not go out
Checkpoint Trouble Cause Countermeasure
Replace the lighting relay
Lighting relay continuity
between connector 1
X-12
- 2
X-12 (Should be no
continuity)
Relay point fused
NG
Replay the combination switch
Lighting switch continuity
between connector 3
B-60
-1
B-60 when switch is
OFF(Should be no continuity)
point fused or faulty
NG
OK OK
Repair or replace the
combination switch
Dimmerpassing switch con-
tinuity between connector
3
B-60 - 1 B-60 when switch
is not operating
(Should be no continuity)
Switch point fused or faulty
NG
Repair short circuit
between 4
X-12 - 3 B-60
and 4
X-1 - 2 B-60
Check if headlight goes out
when connector
C-30 is
disconnected
Short circuit
NG OK
6. Insufficient headlight brightness
Replace the headlight bulb
Headlight bulb
Bulb filament faulty
NG
Repair the wiring
Dimmerpassing switch
Wire continuity between con-
nector 1
B-60 - C-36
Poor ground point contact
NG OK
Clean the light lens
Headlight lens
Lens dirty
NG
OK
Page 782 of 4264
8A-124 ELECTRICAL-BODY AND CHASSIS
TAIL LIGHT, LICENSE PLATE LIGHT, CLEARANCE LIGHT
1. All lights do not light
Checkpoint Trouble Cause Countermeasure
Repair or replace the
combination switch
Lighting switch continuity
between connector
2
B-60 - 1 B-60
Poor switch point or connector
contact
NG
Reinstall or replace the tail
relay
Tail relay
Poor relay contact or relay
faulty
NG OK
Reinstall or replace the fuse
No. EB-6
Fuse No. EB-6 (10A, Relay
and fuse box)
Poor fuse contact or blown
NG
OK
2. Tail light does not light
Replace the bulb or repair
connector contact
Tail light bulb continuity
Bulb burned out or poor
connector contact
NG
Repair open circuit or
connector contact
Continuity between connector
3
F-5 - 4 F-5 (RH)
or 3
F-6 - 4 F-6 (LH)
Open circuit or poor connector
contact
NG OK
Page 783 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-125
TAIL LIGHT-LH, LICENSE PLATE LIGHT, CLEARANCE LIGHT
1. All lights do not light (EC-LHD)
Checkpoint Trouble Cause Countermeasure
Repair or replace the
combination switch
Lighting switch continuity
between connector
2
B-60 - 1 B-60
Poor switch point or connector
contact
NG
Reinstall or replace the tail
relay
Tail relay
Poor relay contact or relay
faulty
NG OK
Reinstall or replace the fuse
No. EB-6
Fuse No. EB-6 (10A, Relay
and fuse box)
Poor fuse contact or blown
NG
OK
2. Tail light does not light
Replace the bulb or repair
connector contact
Tail light bulb continuity
Bulb burned out or poor
connector contact
NG
Repair open circuit or
connector contact
Continuity between connector
or 3
F-6 - 4 F-6 (LH)
Open circuit or poor connector
contact
NG OK
Page 784 of 4264
8A-126 ELECTRICAL-BODY AND CHASSIS
TAIL LIGHT-RH
1. All lights do not light (EC-LHD)
Checkpoint Trouble Cause Countermeasure
Repair or replace the
combination switch
Lighting switch continuity
between connector
2
B-60 - 1 B-60
Poor switch point or connector
contact
NG
Reinstall or replace the tail
relay
Tail relay
Poor relay contact or relay
faulty
NG OK
Reinstall or replace the fuse
No. EB-6
Fuse No. EB-5 (10A, Relay
and fuse box)
Poor fuse contact or blown
NG
OK
2. Tail light does not light
Replace the bulb or repair
connector contact
Tail light bulb continuity
Bulb burned out or poor
connector contact
NG
Repair open circuit or
connector contact
Continuity between connector
3
F-5 - 4 F-5 (RH)
Open circuit or poor connector
contact
NG OK
Page 785 of 4264
ELECTRICAL-BODY AND CHASSIS 8A-127
3. License plate light does not light
Checkpoint Trouble Cause Countermeasure
Repair open circuit or
connector contact
Continuity between
connector 1
F-7 - 2 F-7
Open circuit or poor connector
contact
NG
Replace the bulb or repair
connector contact
License plate light bulb
continuity
Bulb burned out or poor
connector contact
NG
OK
4. Clearance light does not light
Replace the bulb or repair
connector contactClearance light bulb continuityBulb burned out or poor
connector contact NG