Page 297 of 561
Protected Component
Fuse Rating
Fuse or Relay Number
Not used.
-
1
Lumbar.
7.5A 1
2
Driver door unlock.
20A 1
3
Not used (spare).
5A 1
4
Subwoofer amplifier.
20A 1
5
Not used (spare).
10A 2
6
Not used (spare).
10A 2
7
Not used (spare).
10A 2
8
Not used (spare).
10A 2
9
Power trunk logic.
5A 2
10
Keypad.
Cellphone passport module.
Not used (spare).
5A 2
11
294
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Protected Component
Fuse Rating
Fuse or Relay Number
Climate control.
7.5A 2
12
Gear shift.
Steering wheel column.
7.5A 2
13
Cluster.
Datalink logic.
Extended power module.
10A 2
14
Datalink-Gateway module.
10A 2
15
Trunk release.
15A 1
16
Not used (spare).
5A 2
17
Push button stop-start.
5A 2
18
Extended power module.
7.5A 2
19
Adaptive headlamps.
7.5A 2
20
Humidity and in-car temperature sensor.
5A 2
21
Not used (spare).
5A 2
22
295
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201905, Second-Printing Fuses
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Protected Component
Fuse Rating
Fuse or Relay Number
Delayed accessory (power inverter logic all smart window
logic, driver window switch).
10A 1
23
Rear sunshade.
Moonroof.
Panoramic roof.
Central lock-unlock.
20A 1
24
Driver door (window, mirror).
30A 1
25
Front passenger door (window, mirror).
30A 1
26
Moonroof.
30A 1
27
Amplifier.
20A 1
28
Rear driver side door (window).
30A 1
29
Rear passenger side door (window).
30A 1
30
Not used (spare).
15A 1
31
Voice control.
10A 1
32
Radio frequency receiver.
Display.
296
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201905, Second-Printing Fuses
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Protected Component
Fuse Rating
Fuse or Relay Number
Radio.
20A 1
33
Active noise control.
CD changer.
Run-start bus (fuse #19, 20, 21, 22, 35, 36, 37, circuit breaker).
30A 1
34
Not used (spare).
5A 1
35
Continuous control damping suspension module.
15A 1
36
Auto dimming rear view mirror.
Rear heated seats.
Heated steering wheel.
20A 1
37
Not used.
-
38
1 Micro 2 fuse.
2 Micro 3 fuse.
297
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CHANGING A FUSE
Fuses
WARNING: Always replace a fuse
with one that has the specified amperage
rating. Using a fuse with a higher
amperage rating can cause severe wire
damage and could start a fire. If electrical components in the vehicle are
not working, a fuse may have blown. Blown
fuses are identified by a broken wire within
the fuse. Check the appropriate fuses before
replacing any electrical components.
298
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Fuse Types
Fuse Type
Callout
Micro 2
A
Micro 3
B
Maxi
C
299
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Page 303 of 561
Fuse Type
Callout
Mini
D
M Case
E
J Case
F
J Case Low Profile
G
300
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Engine coolant reservoir. See Engine Coolant Check (page 308).
A
Engine oil dipstick.
See Engine Oil Dipstick (page 306).
B
Engine oil filler cap.
See Engine Oil Check (page 306).
C
Brake fluid reservoir.
See Brake Fluid Check (page 317).
D
Battery.
See Changing the 12V Battery (page 318).
E
Engine compartment fuse box.
See Fuses (page 281).
F
Air filter.
See Changing the Engine Air Filter (page 322).
G
Washer system fluid reservoir.
See Washer Fluid Check (page 318).
H
304
MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201905, Second-Printing Maintenance