Toyota Sequoia (2005). Manual — part 858

I28399

Fusible Link Block:

Relays:

Fuses:

5. RR HEATER Fuse 30 A

A. C/OPN Relay

B. HEAD Relay

C. EFI Relay

D. FUEL PUMP Relay

E. DEFOG Relay

F. HORN Relay

Engine Room J/B

6. R/B Fuse 30 A

7. A/PUMP Fuse 50 A

8. ABS Fuse 60 A

9. ALT Fuse 140 A

10. CDS FAN Fuse 25 A

11. Spare Fuse 15 A

12. Spare Fuse 20 A

13. Spare Fuse 30 A

14. Main Fuse 40 A

15. DOOR No. 2 Fuse 30 A

16. *2 H–LP RH Fuse 15 A

17. EFI No. 1 Fuse 20 A

18. ETCS Fuse 10 A

19. *1.DRL Fuse 15 A
*2.H–LP LH Fuse 15 A

20. ALT–S Fuse 7.5 A

21. TOWING Fuse 30 A

22. ST Fuse 30 A

23. RAD No. 3 Fuse 30 A

24. TURN–HAZ Fuse 20 A

25. AM2 Fuse 25 A

26. EFI No. 2 Fuse 10 A

27. SHORT–PIN

28. HORN Fuse 10 A

29. MIR HTR Fuse 15 A

30. ECU–B Fuse 7.5 A

31. DOME Fuse 10 A

32. RAD No. 1 Fuse 20 A

*1 w/ Daytime Running Light
*2 w/o Daytime Running Light

15

16

17

18

19

20

21

26

27

28

29

30

A

B

C

D

E

F

1

2

3

4

5

6

7

8

9

10

22

23

24

25

31

32

11

12

13

14

1. TOWING R/B Fuse 50 A

2. AIR SUS Fuse 50 A

3. HEATER Fuse 50 A

4. DEFOG Fuse 40 A

–

BODY ELECTRICAL

POWER SOURCE

BE–17

3421

I28550

Engine Room R/B No. 3:

Relays:

Fuses:

1. TOWING BRK Fuse 30 A

A. BATT CHARGE Relay

B. TOWING TAIL Relay

2. BATT CHARGE Fuse 30 A

3. TOWING TAIL Fuse 30 A

Driver Side R/B:

Relays:

A. INVERTER Relay

B. SEAT HEATER Relay

Engine Room R/B No. 4:

Relays:

A. RR HEATER Relay

B. HEATER Relay

BE–18

–

BODY ELECTRICAL

POWER SOURCE

3422

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 ELECTRICAL

POWER OUTLET

BE–19

3423

POWER OUTLET

LOCATION

BE2MU–01

I27713

I27712

I05027

3

1

5

2

5

2

3

1

I24374

Wire Harness Side:

BE–20

–

BODY ELECTRICAL

POWER OUTLET

3424

INSPECTION

1.

INSPECT MAIN SWITCH CONTINUITY

Switch position

Tester connection

Specified condition

ON

3 – 5

Continuity

OFF

3 – 5

No continuity

Constant

4 – 5

Continuity

Illumination circuit

1 – 2

Continuity

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

Condition

Tester connection

Specified condition

Constant

1 – 2

Continuity

Constant

3 – 5

No continuity

Apply B+ between

terminals 1 and 2

3 – 5

Continuity

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 position

Tester connection

Specified condition

ON

1 – 4

Battery positive voltage

OFF

1 – 4

No voltage

If the circuit is not as specified, inspect the circuits connected
to other parts.