TOYOTA SEQUOIA 2001 Service Repair Manual

BE2DE±03
I28400
Power Outlet (12 V)
Power Outlet
(115 V) (*1)
(12 V) (*2) Ignition Switch
Main Switch
Instrument Panel J/B

IPO (Intelligent Power Outlet)

AC INV Fuse
Driver Side R/B

INVERTER Relay

PWR OUTLET Fuse
Power Outlet (12 V)
*1: w/ Rear Seat Entertainment System
w/ Rear Seat Audio System
*2: w/o Rear Seat Entertainment System
w/o Rear Seat Audio System
Voltage Inverter
(Located inside of the
quarter trim panel LH)
Cigarette Lighter
± BODY ELECTRICALPOWER OUTLET
BE±19
3423 Author: Date:
2005 SEQUOIA (RM1146U)
POWER OUTLET
LOCATION

BE2MU±01
I27713
I27712
I05027
3
15
2 52
3
1
I24374
Wire Harness Side: BE±20
± BODY ELECTRICALPOWER OUTLET
3424 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
1. INSPECT MAIN SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
ON3 ± 5Continuity
OFF3 ± 5No continuity
Constant4 ± 5Continuity
Illumination circuit1 ± 2Continuity
If continuity is not as specified, replace the switch.
2. INSPECT MAIN INDICATOR LIGHT OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (±) lead to terminal 2.
(b) Push the main switch and check that the indicator light
comes on.
If operation is not as specified, replace the switch.
3. INSPECT INVERTER RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 ± 2Continuity
Constant3 ± 5No continuity
Apply B+ between
terminals 1 and 23 ± 5Continuity
If continuity is not as specified, replace the relay.
4. INSPECT VOLTAGE INVERTER CIRCUIT
Disconnect the connector from the voltage inverter and inspect
the connector on the wire harness side as shown in the table
below.
Switch positionTester connectionSpecified condition
ON1 ± 4Battery positive voltage
OFF1 ± 4No voltage
If the circuit is not as specified, inspect the circuits connected
to other parts.

I28551
A
B
C
D
E
F
G
± BODY ELECTRICALPOWER OUTLET
BE±21
3425 Author: Date:
2005 SEQUOIA (RM1146U)
5. INSPECT INSTRUMENT PANEL J/B (IPO) CIRCUIT
Disconnect the connector from the instrument panel J/B and in-
spect the connector on the wire harness side as shown in the
table below.
Tester connectionConditionSpecified condition
A±10 ± Body ground
C±3 ± Body ground
C±4 ± Body ground
Always10 to 14 V

BE±22
± BODY ELECTRICALPOWER OUTLET
3426 Author: Date:
2005 SEQUOIA (RM1146U)A±10 ± Body ground
C±3 ± Body ground
C±4 ± Body ground
Ignition switch OFF for 2 hours " ON, or ignition
switch ON after disconnection and reconnection
of battery terminal cable.
10 to 14 V
B±6 ± Body groundAlwaysBelow 1 V
D±1 ± Body groundAlways10 to 14 V
F±1 ± Body groundIgnition switch OFF " ON or ACCBelow 1 V " 10 to 14 V
F±4 ± Body groundIgnition switch OFF " ONBelow 1 V " 10 to 14 V
G±12 ± Body groundAlwaysBelow 1 V
If the circuit is not as specified, inspect the circuit connected to
other parts.

BE0OP±20
I28401
Ignition SwitchKey Unlock Warning SwitchInstrument Panel J/B

IG2 Fuse
± BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCHBE±23
3427 Author: Date:
2005 SEQUOIA (RM1146U)
IGNITION SWITCH AND KEY UNLOCK WARNING SWITCH
LOCATION

BE25S±04
I08467
LOCKACC
ON
START
N20125
1 2 OFF
ON BE±24
± BODY ELECTRICALIGNITION SWITCH AND KEY UNLOCK WARNING
SWITCH
3428 Author: Date:
2005 SEQUOIA (RM1146U)
INSPECTION
1. INSPECT IGNITION SWITCH CONTINUITY
Switch positionTester connectionSpecified condition
LOCK±No continuity
ACC1 ± 3Continuity
ON1 ± 2 ± 3
5 ± 6Continuity
START1 ± 2
4 ± 5 ± 6Continuity
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)1 ± 2Continuity
If continuity is not as specified, replace the switch.

BE0HV±12
I28402
Engine Room Relay Block No. 2

DRL No. 4 Relay (*1)

DIMMER Relay (*1)

H±LP LL Fuse (*1)

H±LP RL Fuse (*1)

H±LP LH Fuse (*1)

H±LP RH Fuse (*1)
Headlight
Combination Switch

Light Control Switch

Headlight Dimmer Switch
Ignition Switch
Taillight
Instrument Panel J/B

Integration Relay

Taillight Relay

Tail Fuse
Headlight
Engine Room J/B

HEAD Relay

DRL Fuse (*1)

H±LP LH Fuse (*2)

H±LP RH Fuse (*2)
Automatic Light Control Sensor
(*1): w/ Daytime Running Light
(*2): w/o Daytime Running Light
± BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
BE±25
3429 Author: Date:
2005 SEQUOIA (RM1146U)
HEADLIGHT AND TAILLIGHT SYSTEM
LOCATION

BE0HW±09
F17994
Combination Switch

Wiper and Washer Switch
Spiral Cable Switch Body
Combination Switch

Light Control Switch

Headlight Dimmer Switch
Steering Angle
Sensor BE±26
± BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
3430 Author: Date:
2005 SEQUOIA (RM1146U)
COMPONENTS

I12794
13 16 15 14 9 8
17 HIAUTO
LO
OFF
FlashTAIL
3
21 54 6
7
10 12 11
BE2MT±01
I18635
1
2 34
5
I0502712
3 5
1
2 3
5
I18635
1
2 34
5
± BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
BE±27
3431 Author: Date:
2005 SEQUOIA (RM1146U)
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
Flash7 ± 8 ± 16Continuity
Low beam16 ± 17Continuity
High beam7 ± 16Continuity
If continuity is not as specified, replace the switch.
3. INSPECT HEAD RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 ± 2Continuity
Constant3 ± 5No continuity
Apply B+ between
terminals 1 and 2.3 ± 5Continuity
If continuity is not as specified, replace the relay.
4. INSPECT TAILLIGHT RELAY CONTINUITY
ConditionTester connectionSpecified condition
Constant1 ± 2Continuity
Constant3 ± 5No continuity
Apply B+ between
terminals 1 and 2.3 ± 5Continuity
If continuity is not as specified, replace the relay.
5. INSPECT DRL NO. 4 RELAY CONTINUITY (w/ Daytime
Running Light)
ConditionTester connectionSpecified condition
Constant1 ± 2Continuity
Constant3 ± 5No continuity
Apply B+ between
terminals 1 and 2.3 ± 5Continuity
If continuity is not as specified, replace the relay.

I18559
1
2 34
5
I19450
I19451
BE±28
± BODY ELECTRICALHEADLIGHT AND TAILLIGHT SYSTEM
3432 Author: Date:
2005 SEQUOIA (RM1146U)
6. INSPECT DIMMER RELAY CONTINUITY (w/ Daytime
Running Light)
ConditionTester connectionSpecified condition
Constant1 ± 2, 3 ± 4Continuity
Apply B+ between
terminals 1 and 2.3 ± 5Continuity
If continuity is not as specified, replace the relay.
7. AUTO ON:
INSPECT AUTOMATIC LIGHT CONTROL
(a) Turn the ignition switch ON.
(b) Turn the light control switch to AUTO.
(c) Gradually cover the top of the sensor.
(d) Check that the accessory lights and the headlights should
turn ON.
8. AUTO OFF:
INSPECT AUTOMATIC LIGHT CONTROL
(a) Gradually expose the sensor.
(b) Check that the headlights and the accessory lights should
turn OFF.
9. INSPECT LIGHTS±OFF CONDITION
(a) Turn the ignition switch ON.
(b) Lights auto ON:
Gradually cover the top of the sensor.
(c) Check that the lights go off under the following conditions.
(1) Light control switch is OFF.
(2) The area surrounding the sensor gets bright.
(3) After the ignition switch is turned OFF and after 30
sec. from when open doors are all closed.
10. INSPECT LIGHTS±ON CONDITION
(a) Open the driver's door while the ignition switch is OFF.
(b) Turn the light control switch to AUTO leaving the door
open and cover the top of the sensor. Make sure that the
lights go on when the ignition switch is turned ON.
11. ADJUST AUTOMATIC LIGHT CONTROL SENSOR
(See page DI±1684)