TOYOTA LAND CRUISER 1998 Factory Repair Manual
Page 251 of 3115
BE0H9-08
I25531
Switch BodyWiper and Washer Switch
Light Control Switch and
Headlight Dimmer Switch
Spiral Cable
Tilt and Telescopic Switch
- BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
BE-31
2404 Author: Date:
2004 LAND CRUISER (RM1071U)
COMPONENTS
Page 252 of 3115
I06426
HI
Flash OFFTAIL HEAD AUTO
LO
BE2EH-01
I04036
1 2
3 41 2 3
4 5 6 Connector ºBº Connector ºAº
A2 B3 B1
A3
A5 A1 B4 B2 BE-32
- BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
2405 Author: Date:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. INSPECT LIGHT CONTROL SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF-No continuity
TAIL14 - 16Continuity
HEAD13 - 14 - 16Continuity
AUTO12 - 16Continuity
If continuity is not as specified, replace the switch.
2. INSPECT HEADLIGHT DIMMER SWITCH CONTINU-
ITY
Switch positionTester connectionSpecified condition
Low beam16 - 17Continuity
High beam7 - 16Continuity
Flash7 - 8 - 16Continuity
If continuity is not as specified, replace the switch.
3. INSPECT DAYTIME RUNNING LIGHT NO.3 AND NO.4
RELAY CONTINUITY
Tester connectionConditionSpecified condition
A1 - B3ConstantContinuity
A3 - A5ConstantContinuity
B3 - B4ConstantContinuity
A2 - A5Apply battery positive voltage between
terminals A1 and B3.Continuity
B1 - B2Apply battery positive voltage between
terminals B3 and B4.Continuity
If continuity is not as specified, replace the relay.
Page 253 of 3115
I25040
Built in relayExcept built in relay
I22144
Wire Harness Side:
1
2
3
4
56
I22145
From Back Side:
1 2
3 4
5 6
- BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
BE-33
2406 Author: Date:
2004 LAND CRUISER (RM1071U)
4. INSPECT ENGINE ROOM R/B RELAY CIRCUIT (See
Pase BE-15)
HINT:
The (Headlight, DIM, Tail relay) is built in engine room junction
block. Also the relay is constructed with a relay block that is in
the junction block as a unit. To disconnect the wire harness con-
necting with relay block is impossible. If the relay has a malfunc-
tion, replace it with junction block assembly wire harness to-
gether.
5. Connector disconnected:
INSPECT AUTOMATIC LIGHT CONTROL SENSOR
CIRCUIT
Disconnect the connector from the sensor and inspect the con-
nector on the wire harness side, as shown in the chart.
HINT:
Ignition switch is ON.
Light control switch is in AUTO.
Vehicle's surroundings are bright.
Tester connectionConditionSpecified condition
6 - GroundConstantContinuity
3 - GroundClose the driver's door again while the ignition
switch OFFNo voltage
3 - GroundIgnition switch position ON5.2 - 9.0V
If circuit is as specified, perform the inspection on the following
page.
If the circuits is not as specified, inspect the circuit connected
to other parts.
6. Connector disconnected:
INSPECT AUTOMATIC LIGHT CONTROL SENSOR
CIRCUIT
Connect the wire harness side connector to the sensor and in-
spect wire harness side connector from the back side, as
shown.
HINT:
Ignition switch is ON.
Light control switch is in AUTO.
Vehicle's surroundings are bright.
Tester connectionConditionSpecified condition
4 - Ground
(CLTS - Body ground)ConstantPulse generation
3 - Ground
(CLTB - Body ground)Ignition switch ON10 - 14V
If the circuits is not as specified, try replacing the sensor with a
new one.
Page 254 of 3115
BE0H8-1 1
I24735
Cowl Side J/B LH
Body ECU
ECU-IG1 Fuse
ECU-B1 Fuse
Combination Switch
Light Control Switch
Headlight Dimmer SwitchIgnition Switch Headlight
Engine Room R/B
HEAD LH-UPR Fuse
HEAD RH-UPR Fuse
HEAD LH-LWR Fuse
HEAD RH LWR Fuse
HEAD Relay
HEAD HI Relay
TAIL Fuse
TAIL Relay Automatic Light Control Sensor
Taillight Daytime Running Light No.3
and No.4 Relay
BE-30
- BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
2403 Author: Date:
2004 LAND CRUISER (RM1071U)
HEADLIGHT AND TAILLIGHT SYSTEM
LOCATION
Page 255 of 3115
BE0FZ-19
I24653
I24654
6
I04197
BE-198
- BODY ELECTRICALHORN SYSTEM
2571 Author: Date:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. INSPECT HORN SWITCH
(a) Disconnect the negative (-) terminal from the battery.
(b) Remove the left and right covers from the steering wheel.
(c) Using a torx socket wrench, loosen the 2 bolts.
(d) Pull up the horn pad and place it on the steering column,
as shown.
HINT:
Do not disconnect the connector from the horn pad.
(e) Disconnect the connector from the slip ring.
(f) Check that no continuity exists between terminal 6 of the
connector and body ground.
(g) Check that continuity exists between terminal 6 of the
connector and body ground when the horn contact plate
is pressed against the steering spoke assembly.
If continuity is not as specified, repair or replace the steering
wheel or wire harness as necessary.
(h) Install the horn pad in place and using a torx socket
wrench, torque the 2 bolts.
Torque:
7.1 N´m (72 kgf´cm, 62 in.´lbf)
(i) Install the left and right covers.
(j) Connect the negative (-) terminal to the battery.
2. INSPECT HORN OPERATION
Connect the positive (+) lead from the battery to the terminal
and negative (-) lead to the horn body and check that the horn
blows.
If operation is not as specified, replace the horn.
Page 256 of 3115
I25040
Built in relayExcept built in relay
- BODY ELECTRICALHORN SYSTEM
BE-199
2572 Author: Date:
2004 LAND CRUISER (RM1071U)
3. INSPECT ENGINE ROOM R/B RELAY CIRCUIT (See
Pase BE-15)
HINT:
The horn relay is built in engine room junction block. Also the
relay is constructed with a relay block that is in the junction block
as a unit. To disconnect the wire harness connecting with relay
block is impossible. If the relay has a malfunction, replace it with
junction block assembly wire harness together.
Page 257 of 3115
BE0FY-27
I25527
HornEngine Room R/B
HORN Fuse
HORN Relay
Horn Switch
- BODY ELECTRICALHORN SYSTEM
BE-197
2570 Author: Date:
2004 LAND CRUISER (RM1071U)
HORN SYSTEM
LOCATION
Page 258 of 3115
BE2EG-01
I25786
1
2 3
I25795
1
2 3
I25795
N01731
2
N01732
2
1 BE-44
- BODY ELECTRICALINTERIOR LIGHT SYSTEM
2417 Author: Date:
2004 LAND CRUISER (RM1071U)
INSPECTION
1. INSPECT FRONT PERSONAL LIGHT SWITCH CONTI-
NUITY
Switch positionTester connectionSpecified condition
OFF-No continuity
ON1 - 2Continuity
If continuity is not as specified, replace the light assembly or
bulb.
2. INSPECT REAR PERSONAL LIGHT SWITCH CONTI-
NUITY
Switch positionTester connectionSpecified condition
OFF-No continuity
ON1 - 3Continuity
If continuity is not as specified, replace the light assembly or
bulb.
3. INSPECT ROOM LIGHT SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
Room Light Switch OFF-No continuity
Room Light Switch DOOR2 - 3Continuity
Room Light Switch ON1 - 3Continuity
If continuity is not as specified, replace the light assembly or
bulb.
4. INSPECT REAR ROOM LIGHT SWITCH CONTINUITY
(a) Disconnect the connector from room light assembly.
(b) Turn the room light switch ON, check that continuity exists
between terminal 2 and body ground.
(c) Turn the room light switch DOOR, check that continuity
exists between terminal 1 and 2.
If operation is not as specified, replace the light assembly or
bulb.
Page 259 of 3115
I04050
21
OFFON
I06423
ON
OFF
I06431e-2-2-J
I06432
Back Door Lock Assembly
Back Door Courtesy Switch
I06433ON
OFF1 2
- BODY ELECTRICALINTERIOR LIGHT SYSTEM
BE-45
2418 Author: Date:
2004 LAND CRUISER (RM1071U)
5. INSPECT VANITY LIGHT CONTINUITY
Switch positionTester connectionSpecified condition
OFF (closed)-No continuity
ON (opened)1 - 2Continuity
If continuity is not as specified, replace the vanity light assembly
or bulb.
6. INSPECT DOOR COURTESY SWITCH CONTINUITY
(a) Check that continuity exists between terminal and switch
body with the switch ON (switch pin released).
(b) Check that no continuity exists between terminal and
switch body with the switch OFF (switch pin pushed).
If continuity is not as specified, replace the switch.
7. INSPECT DOOR COURTESY LIGHT CONTINUITY
Using an ohmmeter, check that continuity exists between termi-
nals.
If continuity is not as specified, replace the light assembly or
bulb.
8. INSPECT BACK DOOR COURTESY SWITCH CONTI-
NUITY
Switch positionTester connectionSpecified condition
OFF (closed)-No continuity
ON (opened)1 - 2Continuity
If continuity is not as specified, replace the back door lock as-
sembly.
9. INSPECT GLOVE COMPARTMENT DOOR COURTE-
SY SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
OFF (closed)-No continuity
ON (opened)1 - 2Continuity
If continuity is not as specified, replace the switch.
Page 260 of 3115
I06434e-2-2-J
BE-46
- BODY ELECTRICALINTERIOR LIGHT SYSTEM
2419 Author: Date:
2004 LAND CRUISER (RM1071U)
10. INSPECT LICENCE PLATE LIGHT CONTINUITY
Using an ohmmeter, check that continuity exists between termi-
nals.
If continuity is not as specified, replace the light assembly or
bulb.