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.