Classification:

Reference:

Date:

EL17-028

ITB18-006

February 12, 2018

2016-2017 QX60; VDC WARNING LAMP ON
WITH DTC C1116 STORED
APPLIED VEHICLES: 2016-2017 QX60 (L50)

Without Intelligent Cruise Control ONLY

IF YOU CONFIRM
A current or past customer concern of the Vehicle Dynamic Control (VDC) warning light being ON with either a
current or past DTC C1116 (STOP LAMP SW) stored.
And
Brake lamp switch operation has been confirmed as operating correctly.

ACTION
Install the harness jumper from the Parts Information using the Service Procedure starting on page 2.

IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing.
You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to
successfully completing this repair.
Infiniti Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained
individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that
a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Infiniti retailer to determine if this
applies to your vehicle.

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SERVICE PROCEDURE
CAUTION: Handle interior trim carefully to avoid damage. Work with clean hands and clean tools to avoid dirt
and stains. Use protective covers as needed.

1. Record (write down) any customer settings that will be lost when the battery is disconnected.


Refer to the ESM, section GI – General Information / ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL, for a listing of systems that may lose settings or memory when
disconnecting the 12V battery.
 This list often includes items such as, HVAC, power windows, clock, etc.

2. Turn the ignition OFF.

3. Disconnect the negative terminal of the vehicle 12V battery.


Refer to the ESM, section PG-Power Supply, Ground, & Circuit Elements, for procedure to
disconnect the 12V battery.

WARNING: In the following steps exposed sharp metal will be present. Take care to prevent personal injury.

4. Remove the Instrument Lower Panel LH.


Refer to the Electronic Service Manual
(ESM), section INT – Interior, for procedure
to remove.
Instrument Lower
Panel LH
Figure 1

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Fuse Block –
Junction Box (J/B)

5. Completely disconnect and remove the Fuse
Block – Junction Box (J/B).


Refer to the Electronic Service Manual
(ESM), section INT – Interior, for procedure
to remove.

Figure 2
6. Unbolt the parking brake pedal assembly.


Remove four (4) bolts shown in Figure 3.

NOTE: Do not disconnect the parking brake cable.

Parking brake
pedal assembly

Figure 3

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7. Unclip the engine room harness from the parking brake pedal assembly in the two locations shown in
Figure 4 and unplug the parking brake switch harness connector.

Engine room
harness clip

Engine room
harness clip

Parking brake
pedal assembly

Parking brake switch
harness connector

Figure 4

8. Remove the parking brake pedal assembly from
under the Instrument Panel and lay it on the floor
as shown in Figure 5.
NOTE: Do not disconnect the parking brake
cable.
Parking brake
pedal assembly
Figure 5

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SMJ connectors

9. Disconnect the Super Multiple Junction (SMJ)
connectors.

Figure 6
Self-tapping bolt
(Hidden)

Harness ground

10. Remove bolt that is retaining SMJ.
SMJ
11. Remove self-tapping bolt from harness ground.
NOTE: Bolt hidden in Figure 7 behind insulation
material.
Bolt retaining SMJ

Figure 7

Brake switch
harness

Unclip two white
clips
12. Unclip two (2) white clips of brake switch harness
from brake pedal bracket.
Brake pedal
bracket
Figure 8

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Brake switches

13. Disconnect both brake switch harness
connectors from the brake switches.

Figure 9

14. Remove the engine room harness completely
from the Instrument panel and lay it on the floor.
Engine room
harness
Figure 10

Engine room
harness

15. Detach harness strap from threaded stud, if not
already detached.

Harness strap

Figure 11

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16. Remove the wiper arms as follows:
a. Remove the nut finisher caps.

Nut finisher cap

Wiper arm

Wiper arm
Nut finisher caps

Figure 12
b. Remove the nuts that retain both wiper arms
to the wiper motor shafts.

Wiper arm

NOTE: Place masking tape on the windshield
directly parallel to the wiper blades as
alignment markers for wiper arm reinstallation.

Wiper arm nut

CAUTION: Lay a fender guard or other
appropriate material on top of the windshield
glass and do not contact the windshield glass
with tools to prevent cracking or breaking the
glass.
Figure 13

c. Remove both wiper arms.

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17. Removed both left and right side cowl top side trim covers.

18. Remove the 9 clips that attach the cowl top cover (Figure 14).

Cowl top side
trim cover

Cowl top side
trim cover
Cowl top cover

Figure 14

19. Disconnect the windshield washer hose.


Disconnect here

Located on the passenger side of the cowl
top cover.

20. Remove the cowl top cover.

Windshield washer
hose
Figure 15

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21. Remove the three nuts retaining the wiper motor.

22. Disconnect the wiper motor harness connector.

Wiper motor

Wiper motor
harness connector

Figure 16

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23. Remove the cowl top extension as follows:
a. Remove four (4) bolts and one (1) nut along the rear edge of the cowl top extension.
Cowl top extension

Figure 17
b. Remove the six (6) bolts that attach the cowl top extension; three (3) at each end.


Three (3) Bolts shown in Figure 18 are on the driver’s side. Three (3) bolts for passenger side are
similar, but not shown.

Three (3) Bolts

Cowl top extension

Front of
vehicle

Figure 18

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c. Remove two (2) nuts that attach the brake fluid reservoir to the cowl top extension.
d. Disconnect brake fluid reservoir harness clips from the cowl top extension.

Nuts

Harness clips

Brake fluid
reservoir harness

Brake fluid reservoir
Figure 19
e. Remove two (2) nuts that attach the Fuse and Relay Box 1 to the cowl top extension.

Fuse and Relay Box 1

Figure 20
f.

Remove cowl top extension from vehicle.

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24. Remove the front air duct and the air cleaner assembly (Figure 21).

25. Disconnect and remove the ECM.


Refer to the ESM, section EC – Engine Control, for removal information.

Air cleaner assembly

ECM

Air duct

Figure 21

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Engine room harness
Bulkhead
26. Pull the right side engine room harness
completely through the Lower Dash Assembly
(bulkhead) and into engine room.
IMPORTANT: Take care to not damage the
harness or harness connectors on the sharp
edges of the bulkhead as it is pulled through.

Front of vehicle
Vacuum booster

Figure 22

27. Locate “Joint connector – ED1” that is attached to
the engine room harness.


This harness connector has blue “shunts”
plugged into its terminals.
Cut here

28. Cut the black tape that is attaching Joint
connector – ED1 to the engine room harness,
and remove the black tape from Joint connector –
ED1.


Figure 24 shown with Joint connector – ED1
black tape removed.
Joint connector – ED1
IMPORTANT: Be careful to not damage the
harness.

Figure 23

Joint connector – ED1

Engine room harness

Figure 24

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29. Place a fender cover over the driver’s side fender
and lay out the engine room harness.

Engine room harness
Figure 25

30. Locate the grey and pink wires shown in Figure 26 in the Joint connector –ED1 (connector number E44).


Grey wire in position #15 as viewed from the harness side.



Pink wire in position #14 as viewed from the harness side.

#15 grey wire

#15 grey wire

#14 pink wire

#14 pink wire

Figure 26

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#15 grey wire

#14 pink wire

31. Separate the grey and pink wires that have been
located from the other wires as shown in
Figure 27.

Figure 27

32. Cut the grey wire that was located in steps 30
and 31.


Measure approximately 40 mm from Joint
connector – ED1 to point where grey wire is
cut.

Grey wire is
40 mm long