Page 1841 of 2062

Downloaded from www.Manualslib.com manuals search engine BE−6
− BODY ELECTRICALBODY ELECTRICAL SYSTEM
1996 TOYOTA T100 (RM449U)
COMBINATION METER
Meter, Gauge and Illumination:
SymptomSuspect AreaSee page
Tachometer, fuel gauge oil Pressure and water temperature
gauge do not operate
1. GAUGE Fuse (Junction Block No.1)
2. Combination Meter Wiring Circuit
3. Wire Harness
4. Meter Circuit Plate−
BE−36
−
BE−36
Speedometer does not operate1. Vehicle Speed Sensor
2. Speedometer Driven Gear and Drive GearBE−38
−
Tachometer does not operate
1. Combination Meter Wiring Circuit
2. Wire Harness
3. Igniter
4. Meter Circuit PlateBE−36
−
−
−
BE−36
Fuel gauge does not operate or abnormal operation
1. Fuel Receiver Gauge
2. Fuel Sender Gauge
3. Combination Meter Wiring Circuit
4. Wire HarnessBE−38
BE−38
BE−36
−
Engine coolant temperature gauge does not operate
or abnormal operation
1. Engine Coolant Temperature Receiver Gauge
2. Engine Coolant Temperature Sender Gauge
3. Combination Meter Wiring Circuit
4. Wire HarnessBE−38
BE−38
BE−36
−
Oil pressure gauge does not operte or abnormal operation
1. Oil Pressure Receiver Gauge
2. Oil Pressure Sender Gauge
3. Combination Meter Wiring Circuit
4. Wire HarnessBE−38
BE−38
BE−36
−
All illumination lights do not light up
1. TAIL Fuse (Junction Block No.1)
2. Light Control Rheostat
3. Wire Harness−
BE−38
−
Brightness does not change even when rheostat turned1. Bulb
2. Wire Harness−
−
Only one illumination light does not light up1. Bulb
2. Wire Harness−
−
COMBINATION METER
Warning Lights:
SymptomSuspect AreaSee page
Warning light do not light up (Except Discharge)
1. GAUGE Fuse (Junction Block No.1)
2. Combination Meter Wiring Circuit
3. Wire Harness−
BE−36
−
Oil pressure warning light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. Oil Pressure Warning Switch
4. Wire Harness−
BE−36
BE−38
−
Washer Fluid Level Warning light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. Washer Fluid Level Warning Switch
4. Wire Harness−
BE−36
BE−38
−
Fuel level warning light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. Fuel Level Warning Switch
4. Wire Harness−
BE−36
BE−38
−
Page 1842 of 2062

Downloaded from www.Manualslib.com manuals search engine − BODY ELECTRICALBODY ELECTRICAL SYSTEM
BE−7
1996 TOYOTA T100 (RM449U) A/T Oil temperature warning indicator light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. A/T Oil Temperature Sensor
4. Wire Harness−
BE−36
BE−38
−
SRS warning light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. Center Airbag Sensor Assembly
4. Wire Harness−
BE−36
DI−372
−
Malfunction indicator does not light up
1. Bulb
2. ECM
3. Wire Harness−
−
−
−
Seat belt warning light does not light up
1. Bulb
2. Integration Relay
3. Wiring Harness−
−
−
Discharge warning light does not light up
1. IGN Fuse (Junction Block No.1)
2. Bulb
3. Wire Harness
4. Generator−
−
−
−
Brake warning light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. Parking Brake Switch
4. Brake Fluid Level Warning Switch−
BE−36
BE−38
BE−38
COMBINATION METER
Indicator Lights:
SymptomSuspect AreaSee page
O/D OFF indicator light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. O/D OFF Switch
4. Wire Harness−
BE−36
DI−311
−
High beam indicator light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. Wire Harness
4. Headlight System−
BE−36
−
BE−2
Turn indicator light does not light up
1. Bulb
2. Combination Meter Wiring Circuit
3. Wire Harness
4. Turn Signal and Hazard Warning System−
BE−36
−
BE−2
Shift indicator lights do not light up (ALL)
1. Bulb
2. Combination Meter Wiring Circuit
3. PNP Switch
4. Wire Harness−
BE−36
DI−306
−
Shift indicator lights do not light up (L, 2, D)
1. Bulb
2. Combination Meter Wiring Circuit
3. PNP Switch
4. Light Control Rheostat
5. Wire Harness−
BE−36
DI−306
BE−38
−
Only one shift indicator does not light up1. Bulb
2. Combination Meter Wiring Circuit−
BE−36
Page 1843 of 2062

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
Page 1844 of 2062

Downloaded from www.Manualslib.com manuals search engine − BODY ELECTRICALBODY ELECTRICAL SYSTEM
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
−
Page 1845 of 2062
Downloaded from www.Manualslib.com manuals search engine Z16012
Relay Block
Junction Block No.1
BE02V−02
BE−10
− BODY ELECTRICALPOWER SOURCE
1810 Author: Date:
1996 TOYOTA T100 (RM449U)
POWER SOURCE
LOCATION
Page 1846 of 2062
Downloaded from www.Manualslib.com manuals search engine N15094
Junction Block No.1
Integration RelayIgnition Switch
Key Unlock Warning
Switch
BE02W−03
− BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCHBE−11
1811 Author: Date:
1996 TOYOTA T100 (RM449U)
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH
LOCATION
Page 1847 of 2062

Downloaded from www.Manualslib.com manuals search engine Z08520
BE02X−03
Z14244
OFF
ON
N12605
N12606
BE−12− BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCH
1996 TOYOTA T100 (RM449U)
INSPECTION
1. INSPECT IGNITION SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
LOCK−No continuity
ACC2 − 3Continuity
ON1 − 2 − 3
7 − 8Continuity
START1 − 3 − 6
7 − 8Continuity
If continuity is not as specified, replace the switch.
2. INSPECT KEY UNLOCK WARNING SWITCH CONTI-
NUITY
Switch positionTester connectionSpecified condition
OFF (Key removed) −No continuity
ON (Key set)4 − 5Continuity
If continuity is not as specified, replace the switch.
3. Key Unlock Warning System:
INSPECT INTEGRATION RELAY OPERATION
(a) Connect the positive (+) lead from the battery to terminal
2 and 3.
(b) Connect the negative (−) lead from the battery to terminal
7 and 10.
(c) Check the buzzer sounds.
(d) Disconnect the positive (+) lead from the battery to termi-
nal 3.
(e) Check that the buzzer stops sounding.
Page 1848 of 2062

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.