The fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 30A Passenger front smart window
2 15A Not used (Spare)
3 15A SYNC
4 30A Driver front smart window
5 10A Keypad illumination, 2nd row
seat, Tire Pressure Monitoring
System (TPMS), Brake Shift
Interlock (BSI), Smart junction
box (SJB)
6 20A Turn signals
7 10A Low beam headlamps (left)
8 10A Low beam headlamps (right)
9 15A Interior lights, Cargo lamps
2009 MKX(mkx)
Owners Guide, 1st Printing
USA(fus)
Roadside Emergencies
229
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
35 10A Rear park assist, AWD, Heated
seat module
36 5A PATS transceiver
37 10A Climate control
38 20A THX System
39 20A Radio
40 20A Not used (Spare)
41 15A Delayed accessory function for
radio and lock switch illumination,
Ambient lighting
42 10A Not used (Spare)
43 10A Rear wiper logic
44 10A Customer accessory feed
45 5A Front wiper logic, Climate control
relay feed
46 7.5A Occupant Classification Sensor
(OCS), Passenger Airbag
Deactivation Indicator (PADI)
47 30A Circuit
BreakerPower windows
48 — Delayed accessory relay
Power distribution box
The power distribution box is located in the engine compartment. The
power distribution box contains high-current fuses that protect your
vehicle’s main electrical systems from overloads.
WARNING:Always disconnect the battery before servicing high
current fuses.
WARNING:To reduce risk of electrical shock, always replace
the cover to the Power Distribution Box before reconnecting the
battery or refilling fluid reservoirs.
2009 MKX(mkx)
Owners Guide, 1st Printing
USA(fus)
Roadside Emergencies
231
