1996 TOYOTA T100 door lock

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BODY ELECTRICAL SYSTEM BE-1
POWER SOURCE BE-10
IGNITION SWITCH AND KEY UNLOCK
WARNING SWITCH BE-11
HEADLIGHT AND TAILLIGHT SYSTEM BE-14
TURN SIGNAL AND HAZARD
WARNING SYSTEM BE-22
INTERIOR LIGHT SYSTEM BE-24
BACK-UP LIGHT SYSTEM BE-26
STOP LIGHT SYSTEM BE-29
WIPER AND WASHER SYSTEM BE-31
COMBINATION METER BE-35
POWER WINDOW CONTROL SYSTEM BE-46
POWER DOOR LOCK CONTROL
SYSTEM BE-50
POWER MIRROR CONTROL SYSTEM BE-56
AUDIO SYSTEM BE-59
ANTENNA BE-81
CLOCK BE-83

Downloaded from www.Manualslib.com manuals search engine BE01F−10
BE−2
− BODY ELECTRICALBODY ELECTRICAL SYSTEM
1996 TOYOTA T100 (RM449U)
PROBLEM SYMPTOMS TABLE
The table below will be useful for you in troubleshooting these electrical problems. The most likely causes
of the malfunction are shown in the order of their probability. Inspect each part in the order shown, and re-
place the part when it is found to be faulty.
USA:
HEADLIGHT AND TAILLIGHT SYSTEM
SymptomSuspect AreaSee page
Headlight does not light up
(Taillight is normal)
1. HEAD Fuse (Relay Block)
2. Light Control Switch
3. Headlight Dimmer Switch
4. Headlight BulbBE−14
BE−17
BE−17
BE−17
Headlight does not light up
(Taillight does not light up)
1. Light Control Switch
2. Headlight Dimmer Switch
3. Wire Harness
4. Headlight BulbBE−17
BE−17
−
−
Only one light comes on
1. HEAD Fuse (Relay Block)
2. Wire Harness
3. Headlight BulbBE−14
−
−
”Lo−Beam” does not light up
1. Headlight Control Relay
2. Headlight Dimmer Relay
3. Headlight Dimmer Switch
4. Wire Harness
5. Headlight BulbBE−17
BE−17
BE−17
−
−
”Hi−Beam” does not light up
1. Headlight Control Relay
2. Headlight Dimmer Relay
3. Headlight Dimmer Switch
4. Wire Harness
5. Headlight BulbBE−17
BE−17
BE−17
−
−
”Flash” does not light up
1. Headlight Control Relay
2. Headlight Dimmer Relay
3. Headlight Dimmer Switch
4. Wire Harness
5. Headlight BulbBE−17
BE−17
BE−17
−
−
Taillight does not light up
(Headlight does not light up)
1. TAIL Fuse (Junction Block No.1)
2. Light Control Switch
3. Wire Harness
4. Headlight BulbBE−17
BE−17
−
−
Taillight does not light up
(Headlight is normal)
1. TAIL Fuse (Junction Block No.1)
2. Light Control Switch
3. Taillight Control Relay
4. Wire Harness
5. Taillight BulbBE−14
BE−17
BE−17
−
−
Only one light goes out or does not light up1. Wire Harness
2. Taillight Bulb−
−
Rear Combination light does not light up
1. TAIL Fuse (Junction Block No.1)
2. Wire Harness
3. Taillight BulbBE−14
−
−
”Light−on warning system” does not operate.
1. Integration Relay
2. DOME Fuse (Relay Block)
3. GAUGE Fuse (Junction Block No.1)
4. Door Courtesy Switch
5. Wire HarnessBE−17
BE−14
BE−14
BE−25
−

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− BODY ELECTRICALBODY ELECTRICAL SYSTEM
1996 TOYOTA T100 (RM449U) Headlight does not go out with light control SW in OFF.
1. Headlight Control Relay
2. Light Control Switch
3. Wire HarnessBE−17
BE−17
−
Taillight does not light up with light control SW in TAIL.
1. Taillight Control Relay
2. Light Control Switch
3. Wire HarnessBE−17
BE−17
−
Taillight does not go out with light control SW in OFF.
1. Taillight Control Relay
2. Light Control Switch
3. Wire HarnessBE−17
BE−17
−
Headlight do not light up with engine running, parking brake SW
and light control SW in OFF.
1. ECU−B Fuse (Junction Block No.1)
2. GAUGE Fuse (Junction Block No.1)
3. DRL Fuse (Junction Block No.1)
4. D.R.L. Relay
5. D.R.L. No.4 Relay
6. D.R.L. Resistor
7. Wire Harness
8. Generator L Terminal
9. Parking Brake SwitchBE−14
BE−14
BE−14
BE−17
BE−17
BE−17
−
−
BE−38
”Light−on warning system” does not operate.
1. Integration Relay
2. DOME Fuse (Relay Block)
3. GAUGE Fuse (Junction Block No.1)
4. Door Courtesy Switch
5. Wire HarnessBE−17
BE−14
BE−14
BE−25
−
TURN SIGNAL AND HAZARD WARNING SYSTEM
SymptomSuspect AreaSee page
”Hazard” and ”Turn” do not light up
1. Hazard Warning Switch
2. Turn Signal Flasher
3. Wire HarnessBE−23
BE−23
−
The flashing frequency is abnormal
1. Bulb
2. Turn Signal Switch
3. Wire Harness−
BE−23
−
Hazard warning light does not light up
(Turn signal is normal)1. HAZ−HORN Fuse (Relay Block)
2. Wire HarnessBE−22
−
Hazard warning light does not light up in one direction1. Hazard Warning Switch
2. Wire HarnessBE−23
−
*1 Turn signal does not light up
1. Ignition Switch
2. TURN Fuse (Junction Block No.1)
3. Turn Signal Switch
4. Wire HarnessBE−12
BE−22
BE−23
−
*2 Turn signal does not light up
1. TURN Fuse (Junction Block No.1)
2. Turn Signal Switch
3. Wire HarnessBE−22
BE−23
−
Turn signal does not light up in one direction1. Turn Signal Switch
2. Wire HarnessBE−23
−
Only one bulb does not light up1. Bulb
2. Wire Harness−
−
*1: Combination Meter, Wiper and Washer do not operate.
*
2: Combination Meter, Wiper and Washer are normal.

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BE−5
1996 TOYOTA T100 (RM449U)
INTERIOR LIGHT SYSTEM
SymptomSuspect AreaSee page
Room light does not light up
1. DOME Fuse (Relay Block)
2. Room Light Switch
3. Door Courtesy Switch
4. Wire Harness
5. BulbBE−24
BE−25
BE−25
−
−
Room light remains always on
1. Room Light Switch
2. Door Courtesy Switch
3. Wire HarnessBE−25
BE−25
−
BACK−UP LIGHT SYSTEM
SymptomSuspect AreaSee page
Back−Up Light does not light up
1. GAUGE Fuse (Junction Block No.1)
2. Ignition Switch
3. Back−Up Light Relay (Column A/T)
4. Back−Up Light Switch (M/T)
5. PNP Switch (A/T)
6. Bulb
7. Wire HarnessBE−26
BE−12
BE−28
BE−28
DI−306
−
−
Back−Up Light remains always on1.Wire Harness−
Only one light does not light up1. Bulb
2. Wire Harness−
−
STOP LIGHT SYSTEM
SymptomSuspect AreaSee page
Stop light does not light up
1. STOP Fuse (Junction Block No.1)
2. Stop Light Switch
3. Wire Harness
4. BulbBE−29
BE−30
−
−
Stop light remains always on1. Stop Light Switch
2. Wire HarnessBE−30
−
Only one light does not light up1. Wire Harness
2. Bulb−
−
WIPER AND WASHER SYSTEM
SymptomSuspect AreaSee page
Wiper does not operate or turn to off position
1. WIPER Fuse (Junction Block No.1)
2. Ignition Switch
3. Wiper and Washer Switch
4. Wiper Motor
5. Wire HarnessBE−31
BE−12
BE−32
BE−32
−
Wiper does not operate in INT position
1. Wiper and Washer Switch
2. Wiper Motor
3. Wire HarnessBE−32
BE−32
−
Washer does not operate
1. Wiper and Washer Switch
2. Washer Hose and Nozzle
3. Washer Motor
4. Wire HarnessBE−32
−
BE−32
−

Downloaded from www.Manualslib.com manuals search engine BE−8
− BODY ELECTRICALBODY ELECTRICAL SYSTEM
1996 TOYOTA T100 (RM449U) ndicator lights do not light up (Except. Turn, Hi−beam)
1. GAUGE Fuse (Junction Block No1.)
2. Wire Harness−
−
ABS indicator light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. ABS ECU
4. Wire Harness−
BE−36
DI−331
−
POWER WINDOW CONTROL SYSTEM
SymptomSuspect AreaSee page
*1Power window does not operate
1. POWER WINDOW Fuse (Junction Block No.1)
2. GAUGE Fuse (Junction Block No.1)
3. Door Lock Control Relay
4. Ignition Switch
5. Power Window Master Switch
6. Wire HarnessBE−46
BE−46
BE−47
BE−12
BE−47
−
*2Power window does not operate
1. POWER WINDOW Fuse (Junction Block No.1)
2. GAUGE Fuse (Junction Block No.1)
3. Ignition Switch
4. Door Lock Control Relay
5. Power Window Master Switch
6. Wire HarnessBE−46
BE−46
BE−12
BE−47
BE−47
−
”One Touch Power Window System” does not operate1. Power Window Master SwitchBE−47
Only one window glass does not move
1. Power Window Master Switch
2. Power Window Switch
3. Power Window Motor
4. Wire HarnessBE−47
BE−47
BE−47
−
”Window Lock System” does not operate1. Power Window Master SwitchBE−47
”Window Lock Illumination” does not operate1. Power Window Master SwitchBE−47
*1 Power door lock system does not operate
*
2 Power door lock system is normal

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BE−9
1996 TOYOTA T100 (RM449U)
POWER DOOR LOCK CONTROL SYSTEM
SymptomSuspect AreaSee page
”Door lock control system” does not operate (All)
1. GAUGE Fuse (Junction Block No.1)
2. POWER WINDOW Fuse (Junction Block No.1)
3. Door Lock Control Relay
4. Wire Harness
5. Other PartsBE−50
BE−50
BE−51
−
−
Malfunction in Door Lock / Unlock
(Using door manual switch)
1. Door Lock Manual Switch
2. Wire Harness
3. Door Lock Control Relay
4. Other PartsBE−51
−
BE−51
−
Mulfunction in Door Lock / Unlock
(Using door manual switch and key)1. Wire Harness
2. Other Parts−
−
Mulfunction in Door Lock / Unlock
(Using Key)
1. Door Key Lock and Unlock Switch
2. Wire Harness
3. Door Lock Control Relay
4. Other PartsBE−51
−
BE−51
−
Fault in 2 − Operation unlock function of Driver’s side door key
Lock and Unlock switch
1. Door Key Lock and Unlock Switch
2. Wire Harness
3. Door Lock Control Relay
4. Other PartsBE−51
−
BE−51
−
Fault in key confine prevention operation
1. Key Unlock Warning Switch
2. Door Courtesy Switch
3. Door Lock Switch
4. Wire Harness
5. Door Lock Control Relay
6. Other PartsBE−12
BE−25
BE−51
−
BE−51
−
Only one door lock does not operate1. Door Lock Motor
2. Wire HarnessBE−51
−
POWER MIRROR CONTROL SYSTEM
SymptomSuspect AreaSee page
Power mirror on each side does not operate at all
1. RADIO Fuse (Junction Block No.1)
2. Mirror Switch
3. Mirror Motor (Up/Down or Left/Right Control)
4. Wire HarnessBE−56
BE−57
BE−57
−
Left or Right power mirror does not operate at all
1. Mirror Switch
2. Mirror Motor (Up/Down or Left/Right Control)
3. Wire HarnessBE−57
BE−57
−
Up/Down Control of left or right power mirror does not operate1. Mirror Motor (Up/Down Control)
2. Wire HarnessBE−57
−
Left/Right control of left or right power mirror does not operate1. Mirror Motor (Left/Right Control)
2. Wire HarnessBE−57
−

Downloaded from www.Manualslib.com manuals search engine N12607
N12608
Junction Block Side
− BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCHBE−13
1996 TOYOTA T100 (RM449U)
(f) Connect the positive (+) lead from the battery to terminal
3.
(g) Disconnect the negative (−) lead from the battery to termi-
nal 10.
(h) Check that the buzzer stops sounding.
If operation is not as specified, replace the relay.
4. INSPECT INTEGRATION RELAY CIRCUIT
Remove the relay from the junction block No.1 and inspect the
connectors on the junction block side.
Tester connectionConditionSpecified condition
2 − GroundKey unlock warning switch OFFNo continuity
2 − GroundKey unlock warning switch ONContinuity
*4 − GroundConstantContinuity
6 − GroundBuckle switch OFFNo continuity
6 − GroundBuckle switch ONContinuity
7 − GroundConstantContinuity
10 − GroundDriver’s door courtesy switch OFFNo continuity
10 − GroundDriver’s door courtesy switch ONContinuity
12 − GroundPassenger’s door courtesy switch OFFNo continuity
12 − GroundPassenger’s door courtesy switch ONContinuity
1 − GroundIgnition switch LOCKNo voltage
1 − GroundIgnition switch ACC or ONBattery positive voltage
3 − GroundConstantBattery positive voltage
5 − GroundIgnition switch LOCK or ACCNo voltage
5 − GroundIgnition switch ONBattery positive voltage
8 − GroundIgnition switch LOCK or ACCNo voltage
8 − GroundIgnition switch ONBattery positive voltage
9 − GroundIgnition switch LOCK or ACCNo voltage
9 − GroundIgnition switch ONBattery positive voltage
11 − GroundLight control switch OFFNo voltage
11 − GroundLight control switch TAIL or HEADBattery positive voltage
*: SR5 Model
If circuit is as specified, trying replacing the relay with a new
one.
If circuit is not as specified, inspect the circuits connected to oth-
er parts.

Downloaded from www.Manualslib.com manuals search engine Z19311
Relay Block
 Headlight Control Relay
*2  Headlight Dimmer Relay
*1  HEAD (RH) Fuse
*2  HEAD (RH−Hi) Fuse
*2  HEAD (RH−Lo) Fuse
*1  HEAD (LH) Fuse
*2  HEAD (LH−Hi) Fuse
*2  HEAD (LH−Lo) Fuse
 DOME Fuse

*1 : USA Models Only
*2 : CANADA Models Only
D.R.L. Daytime Running Light
Headlight *2 D.R.L. Resister
Combination Switch
 Light Control Switch
 Headlight Dimmer SwitchIgnition Switch
D.R.L. Main
Relay
Door Courtesy
Switch
Rear Combination Light
Junction Block No.1
 Taillight Control Relay
*2  D.R.L. No.4 Relay
 Integration Relay
*2  D.R.L. No.4 Fuse
 GAUGE Fuse
 TAIL Fuse
 ECU−B Fuse
BE02Z−03
BE−14
− BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
1814 Author: Date:
1996 TOYOTA T100 (RM449U)
HEADLIGHT AND TAILLIGHT SYSTEM
LOCATION