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Accessing the Under Hood Fuse Box -
Bottom 1.
Release the latches on both sides of the
fuse box.
2. Raise the inboard side of the fuse box from the cradle.
3. Move the fuse box toward the center of the engine compartment.
4. Pivot the outboard side of the fuse box to access the bottom side.
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Identifying the Fuses in the Under Hood Fuse Box
Under Hood Fuse Box - Top
318
2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing FusesE190797
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Protected Component
Fuse Rating
Fuse Number
Second row power seat.
30 A
1
Starter relay.
—
2
Rear window wiper.
15 A
3
Rain sensor.
Rear wash relay coil.
Blower motor relay.
—
4
Not used.
—
5
Not used.
—
6
Powertrain control module - vehicle power 1.
20 A
7
Powertrain control module - vehicle power 2.
20 A
8
Canister vent.
Vapor blocking value.
Heated oxygen post.
Powertrain control module relay.
—
9
Power outlet 5-main bin.
20 A
10
Powertrain control module - vehicle power 4.
15 A
11
Powertrain control module - vehicle power 3.
15 A
12
319
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Protected Component
Fuse Rating
Fuse Number
Not used.
—
13
Not used.
—
14
Run-start relay.
—
15
Power outlet 2 - back of console.
20 A
16
Power outlet 4 - luggage compartment.
20 A
17
Not used.
—
18
Run-start electronic power assist steering.
10 A
19
Run/start lighting.
10 A
20
Not used.
—
21
Air conditioner clutch solenoid.
10 A
22
Front split view camera.
15 A
23
Rear view camera.
Forward looking radar.
360° camera module.
Blind spot information system.
Voltage quality module (start/stop).
Not used (spare).
10 A
24
Run-start anti-lock brake system.
10 A
25
320
2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Fuses
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Protected Component
Fuse Rating
Fuse Number
Run-start powertrain control module.
10 A
26
USB power outlet - back of console.
5 A
27
Rear window washer pump.
10 A
28
Not used.
—
29
Not used.
—
30
Not used.
—
31
Electronic fan 1 relay.
—
32
A/C clutch relay.
—
33
Not used.
—
34
Not used.
—
35
Not used.
—
36
Not used.
—
37
Electronic fan 2 relay.
—
38
Electronic fan 3 relay.
—
39
Horn relay.
—
40
Left-hand high beam and stoplamp relay.
—
41
321
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Protected Component
Fuse Rating
Fuse Number
Fuel pump relay.
—
42
Right-hand high beam and stoplamp.
15 A
43
Not used.
—
44
Not used.
—
45
Not used.
—
46
Not used.
—
47
Left-hand high beam and stoplamp.
15 A
48
Not used.
—
49
Horn.
20 A
50
Not used.
—
51
Not used.
—
52
Massaging seats.
10 A
53
Brake on-off switch.
10 A
54
Alternator A-line.
10 A
55
Not used.
—
86
322
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Under Hood Fuse Box - Bottom
323
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Protected Component
Fuse Rating
Fuse Number
Not used.
—
56
Not used.
—
57
Fuel pump feed.
30 A
58
Electronic fan 3.
40 A
59
Electronic fan 1.
40 A
60
Not used.
—
61
Body control module 1.
50 A
62
Electronic fan 2.
25 A
63
Not used.
—
64
Front heated seat.
20 A
65
Not used (spare).
15 A
66
Body control module 2.
50 A
67
Heated rear window.
40 A
68
Anti-lock brake system valves.
30 A
69
Passenger seat.
30 A
70
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2021 Nautilus (CD9) Canada/United States of America, enUSA, Edition date: 202011, First-Printing Fuses