ECU INFINITI Q70 2019 Repair Manual

frequently.
Lights*:Clean the headlights on a regular
basis. Make sure that the headlights, stop
lights, tail lights, turn signal lights, and other
lights are all operating properly and installed
securely. Also check headlight aim.
Road wheel nuts (lug nuts)*: When checking
the tires, make sure no wheel nuts are
missing, and check for any loose wheel nuts.
Tighten if necessary.
Tire rotation*: Tires should be rotated every
5,000 miles (8,000 km).
Tires*: Check the pressure with a gauge
often and always prior to long distance trips.
If necessary, adjust the pressure in all tires,
including the spare, to the pressure speci-
fied. Check carefully for damage, cuts or
excessive wear.
Tire Pressure Monitoring System (TPMS)
transmitter components: Replace the TPMS
transmitter grommet seal, valve core and
cap when the tires are replaced due to wear
or age.
Wheel alignment and balance: If the vehicle
should pull to either side while driving on a
straight and level road, or if you detect
uneven or abnormal tire wear, there may be
a need for wheel alignment.
If the steering wheel or seat vibrates at
normal highway speeds, wheel balancing may be needed.
For additional information regarding tires,
refer to “Important Tire Safety Information”
(US) or “Tire Safety Information” (Canada) in
the INFINITI Warranty Information Booklet.
Windshield:
Clean the windshield on a
regular basis. Check the windshield at least
every six months for cracks or other damage.
Have a damaged windshield repaired by a
qualified repair facility.
Windshield wiper blades*: Check for cracks
or wear if they do not wipe properly.
Inside the vehicle
The maintenance items listed here should be
checked on a regular basis, such as when
performing periodic maintenance, cleaning
the vehicle, etc.
Accelerator pedal: Check the pedal for
smooth operation and make sure the pedal
does not catch or require uneven effort.
Keep the floor mat away from the pedal.
Automatic transmission P (Park) mechan-
ism: On a fairly steep hill, check that your
vehicle is held securely with the shift lever in
the P (Park) position without applying any
brakes.
Brake pedal: Check the pedal for smooth
operation. If the brake pedal suddenly goes
down further than normal, the pedal feels
spongy or the vehicle seems to take longer to stop, have your vehicle checked immediately.
It is recommended you visit an INFINITI
retailer for this service. Keep the floor mat
away from the pedal.
Brakes:
Check that the brakes do not pull the
vehicle to one side when applied.
Parking brake: Check the parking brake
operation regularly. The vehicle should be
securely held on a fairly steep hill with only
the parking brake applied. If the parking
brake needs adjusted, it is recommended you
visit an INFINITI retailer for this service.
Seats: Check seat position controls such as
seat adjusters, seatback recliner, etc. to
ensure they operate smoothly and that all
latches lock securely in every position. Check
that the head restraints move up and down
smoothly and that the locks (if so equipped)
hold securely in all latched positions.
Seat belts: Check that all parts of the seat
belt system (for example, buckles, anchors,
adjuster and retractors) operate properly
and smoothly, and are installed securely.
Check the belt webbing for cuts, fraying,
wear or damage.
Steering wheel: Check for changes in the
steering conditions, such as excessive free
play, hard steering or strange noises.
Warning lights and chimes: Make sure that
all warning lights and chimes are operating
properly.
Maintenance and schedules9-3

for your vehicle. (See “Measurement
of weights” (P.10-21).)
Also check tires for proper inflation
pressures. See the Tire and Loading
Information label.
LOADING TIPS
.The GVW must not exceed GVWRor GAWR as specified on the F.M.
V.S.S./C.M.V.S.S. certification la-
bel.
.Do not load the front and rear axleto the GAWR. Doing so will exceed
the GVWR.
WARNING
.Properly secure all cargo to help
prevent it from sliding or shift-
ing. Do not place cargo higher
than the seatbacks. In a sudden
stop or collision, unsecured car-
go could cause personal injury.
.Do not load your vehicle any
heavier than the GVWR or the
maximum front and rear
GAWRs. If you do, parts of your vehicle can break, tire
damage could occur, or it can
change the way your vehicle
handles. This could result in loss
of control and cause personal
injury.
.Overloading could not only
shorten the life of your vehicle
and the tires, but also could
lead to hazardous vehicle hand-
ling and long braking distance.
This may cause a premature tire
malfunction, which could result
in a serious accident and perso-
nal injury. Failures caused by
overloading are not covered by
the vehicle’s warranty.
MEASUREMENT OF WEIGHTS
Secure loose items to prevent weight
shifts that could affect the balance of
your vehicle. When the vehicle is
loaded, drive to a scale and weigh
the front and the rear wheels sepa-
rately to determine axle loads. Indivi-
dual axle loads should not exceed
either of the gross axle weight ratings(GAWR). The total of the axle loads
should not exceed the gross vehicle
weight rating (GVWR). These ratings
are given on the vehicle certification
label. If weight ratings are exceeded,
move or remove items to bring all
weights below the ratings.
Technical and consumer information10-21

10-24Technical and consumer information
For USA
If you believe that your vehicle has a
defect which could cause a crash or
could cause injury or death, you
should immediately inform the Na-
tional Highway Traffic Safety Admin-
istration (NHTSA) in addition to
notifying INFINITI.
If NHTSA receives similar complaints,
it may open an investigation, and if it
finds that a safety defect exists in a
group of vehicles, it may order a recall
and remedy campaign. However,
NHTSA cannot become involved in
individual problems between you,
your retailer, or INFINITI.
To contact NHTSA, you may call the
Vehicle Safety Hotline toll-free at 1-
888-327-4236 (TTY: 1-800-424-
9153); go to http://www.safercar.
gov; or write to: Administrator,
NHTSA, 400 Seventh Street, SW.,
Washington DC 20590. You can also
obtain other information about motor
vehicle safety from http://www.
safercar. gov.
You may notify INFINITI by contact-ing our Consumer Affairs Depart-
ment, toll-free, at 1-800-662-6200.
For Canada
If you believe that your vehicle has a
defect which could cause a crash or
could cause injury or death, you
should immediately inform Transport
Canada in addition to notifying
INFINITI.
If Transport Canada receives com-
plaints, it may open an investigation,
and if it finds that a safety defect
exists in a group of vehicles, it may
request that INFINITI conduct a recall
campaign. However, Transport Cana-
da cannot become involved in indivi-
dual problems between you, your
retailer, or INFINITI.
You may contact Transport Canada’s
Defect Investigations and Recalls Di-
vision toll free at 1-800-333-0510.
You may also report safety defects
online at:
https://wwwapps.tc.gc.ca/Saf-Sec-
Sur/7/PCDB-BDPP/fc-cp.aspx?lan-
g=eng (English speakers) or https://
wwwapps.tc.gc.ca/Saf-Sec-Sur/7/
PCDB-BDPP/fc-cp.aspx?lang=fra
(French speakers).
Additional information concerning
motor vehicle safety may be obtained
from Transport Canada’s Road
Safety Information Centre at 1-
800- 333-0371 or online at www.
tc.gc.ca/ roadsafety (English speak-
ers) or www.tc.gc.ca/securiteroutiere
(French speakers).
To notify INFINITI of any safety
concerns please contact our Consu-
mer Information Centre toll free at 1-
800- 361-4792.
REPORTING SAFETY DEFECTS

11 Index
A
ABS (Anti-lock Braking System) ................... 5-122
Active noise cancellation ................................. 5-128
Air bag systemFront-seat mounted side-impact
supplemental air bag system ..................... 1-49
Roof-mounted curtain side-impact and
rollover supplemental air bag system ...... 1-49
Air bag warning labels ........................................ 1-51
Air bag warning light ............................... 1-52, 2-16
Air cleaner housing filter ................................... 8-19
Air conditioner
Air conditioner specification label ......... 10-16
Air conditioning system refrigerant and
lubricant recommendations ..................... 10-10
Automatic climate control .......................... 4-32
Alarm
How to stop alarm (see vehicle
security system) ............................................ 2-30
Alcohol, drugs and driving ................................... 5-9
Antenna .................................................................. 4-38
Anti-lock Braking System (ABS) ................... 5-122
Appearance care
Exterior appearance care ............................... 7-2
Interior appearance care ............................... 7-4
Armrest ...................................................................... 1-4
Around View
®Monitor ...................................... 4-10
Ashtrays ................................................................. 2-45
Audible reminders ................................................ 2-19 Auto closure .......................................................... 3-20
Autolight system .................................................. 2-35
Automatic
Automatic climate control ......................... 4-34
Automatic Transmission Fluid (ATF) ....... 8-13
Climate control ............................................... 4-32
Driving with automatic transmission ....... 5-15
Automatic door locks ............................................ 3-6
Automatic drive positioner ............................... 3-28
Automatic seat positioner ................................ 3-28
Average fuel consumption and speed ........... 2-27
Avoiding collision and rollover ............................ 5-7
B
Back-up Collision Intervention (BCI) .............. 5-54
Battery .................................................................... 8-16
Battery replacement, Intelligent Key ......... 3-2
Battery saver system .................................... 2-36
Intelligent Key ................................................. 8-25
Variable voltage control system ............... 8-18
Before starting the engine ................................ 5-13
Belts (See drive belts) ......................................... 8-18
Blind Spot Intervention
®(BSI) ......................... 5-41
Blind Spot Intervention (BSI) ON
indicator light ......................................................... 2-17
Blind Spot Warning (BSW) ............................... 5-32
Brake
Anti-lock Braking System (ABS) ............. 5-122
Brake fluid ....................................................... 8-14 Brake force distribution ............................ 5-124
Brake system ................................................ 5-121
Parking brake operation .............................. 5-19
Brake warning light ............................................. 2-12
Break-in schedule .............................................. 5-116
Bulb check/instrument panel ............................ 2-11
Bulb replacement ................................................. 8-27
C
Camera aiding sonar function ......................... 4-23
Capacities and
recommended fluids/lubricants ....................... 10-2
Car phone or CB radio ....................................... 4-38
Card holder ............................................................ 2-49
Catalytic converter Three way catalyst .......................................... 5-5
Chassis and body maintenance ....................... 9-10
Check tire pressure warning ............................. 2-23
Child restraints ...................................................... 1-19 LATCH system ............................................... 1-21
Precautions on child restraints .................. 1-19
Child safety ............................................................ 1-17
Child safety rear door lock .................................. 3-6
Chimes Audible reminders .......................................... 2-19
Seat belt warning light and chime ............ 2-15
Circuit breaker Fusible link ...................................................... 8-24
Cleaning exterior and interior ................... 7-2, 7-4

11-6
RecordersEvent data .................................................... 10-25
Registering in another country ..................... 10-14
Remote keyless entry system .......................... 3-14
Reporting safety defects ................................ 10-24
Rise-up and build-up ........................................ 5-124
Roadside assistance program ............................. 6-2
Rollover ..................................................................... 5-7
Roof Moonroof ......................................................... 2-54
S
SafetyChild seat belts ............................................... 1-17
Reporting safety defects .......................... 10-24
Seat adjustment Front power seat adjustment ....................... 1-3
Front seats ......................................................... 1-3
Seat belt(s) Child safety ..................................................... 1-17
Infants ............................................................... 1-17
Injured persons ............................................... 1-12
Larger children ............................................... 1-18
Precautions on seat belt usage ................. 1-10
Pre-crash seat belts with
comfort function ............................................ 1-12
Pregnant women ........................................... 1-12
Seat belt cleaning ............................................. 7-6
Seat belt extenders ....................................... 1-16
Seat belt maintenance ................................. 1-16
Seat belt warning light and chime ............ 2-15 Seat belts ......................................................... 1-10
Seat belts with pretensioners .................... 1-50
Shoulder belt height adjustment ............... 1-15
Small children .................................................. 1-18
Three-point type ............................................ 1-13
Seat(s) Climate controlled seats .............................. 2-43
Driver-side memory ...................................... 3-28
Heated seats ................................................... 2-41
Seats .................................................................... 1-2
Security system Vehicle security system ................................ 2-29
Security system (INFINITI Vehicle
Immobilizer System) Engine start .................................................... 2-30
Servicing air conditioner (See automatic
climate control) .................................................... 4-32
Servicing climate control ................................... 4-37
Shift lever
Shift lock release ........................................... 5-18
Shift lock release, Transmission ...................... 5-18
Shifting
Automatic transmission ............................... 5-15
Shoulder belt height adjustment ...................... 1-15
SNOW mode ......................................................... 5-20
Spare tire ............................................................. 10-12
Spark plugs ............................................................ 8-19
Speedometer ............................................................ 2-7
SPORT mode ........................................................ 5-20
Standard maintenance .......................................... 9-7
STANDARD mode ............................................... 5-20 Starting
Before starting the engine .......................... 5-13
Jump starting .................................................. 8-17
Precautions when starting and driving ..... 5-4
Push starting ................................................... 6-11
Starting the engine ....................................... 5-14
Status light, Front passenger air bag ............ 1-46
Steering Heated steering wheel ................................ 2-40
Power steering fluid ..................................... 8-14
Power steering system ............................. 5-120
Steering lock release malfunction
indicator (if so equipped) ............................. 2-22
Tilt/telescopic steering ................................ 3-24
Steering lock (if so equipped) ............................ 5-11
Storage ................................................................... 2-47
Storage box ........................................................... 2-50
Sun visors ............................................................... 3-25
Sunglasses holder ................................................ 2-48
Sunshade (rear) .................................................... 2-55
Supplemental air bag warning labels .............. 1-51
Supplemental air bag warning light .... 1-52, 2-16
Supplemental restraint system ........................ 1-38 Precautions on supplemental
restraint system ............................................. 1-38
Switch Autolight switch ............................................. 2-35
Fog light switch ............................................. 2-39
Hazard warning flasher switch .................... 6-2
Headlight switch ............................................ 2-34
Ignition switch ................................................ 5-15

Power door lock switch ................................. 3-5
Rear window and outside mirror
defroster switch ............................................. 2-34
Turn signal switch ......................................... 2-39
Vehicle Dynamic Control (VDC)
off switch ........................................................ 2-44
Warning systems switch ............................ 2-44
T
Tachometer ............................................................. 2-8
Temperature gaugeEngine coolant temperature gauge ............ 2-8
Theft (INFINITI Vehicle Immobilizer System) Engine start .................................................... 2-30
Three-way catalyst ................................................ 5-5
Tilt/telescopic steering ...................................... 3-24
“TIMER” indicator ............................................... 2-23
Tire
Tire replacement indicator .......................... 2-25
Tire rotation .................................................... 8-37
Tire pressure
Low tire pressure warning light ................ 2-14
Tires Flat tire ............................................................... 6-3
Low tire pressure
warning system ........................... 5-5, 6-3, 8-30
Spare tire ........................................................ 8-40
Tire and Loading
information label ............................. 8-32, 10-16
Tire chains ........................................................ 8-36
Tire dressing ...................................................... 7-4 Tire pressure .................................................. 8-30
Tire Pressure Monitoring
System (TPMS) ........................... 5-5, 6-3, 8-30
Types of tires .................................................. 8-36
Uniform tire quality grading .................... 10-22
Wheel/tire size ............................................ 10-12
Wheels and tires ........................................... 8-30
Towing Flat towing ................................................... 10-22
Tow truck towing .......................................... 6-13
Towing a trailer ........................................... 10-22
TPMS
Tire Pressure
Monitoring System .................... 5-5, 6-3, 8-30
Trailer towing .................................................... 10-22
Transceiver
HomeLink
®Universal Transceiver ........... 2-60
Transmission
Automatic Transmission Fluid (ATF) ....... 8-13
Driving with automatic transmission ....... 5-15
Transmission shift lever lock release ....... 5-18
Transmitter (See remote keyless
entry system) ........................................................ 3-14
Traveling or registering in
another country ................................................ 10-14
Trip computer ....................................................... 2-27
Trip odometer ....................................................... 2-27
Trunk
Interior trunk lid release .............................. 3-21
Light .................................................................. 2-59
Pass-through ..................................................... 1-5 Trunk hooks .................................................... 2-51
Trunk lid ........................................................... 3-18
Trunk lid release switch ............................... 3-18
Trunk open request switch ......................... 3-19
Trunk release power cancel switch ......... 3-20
Turn signal switch ............................................... 2-39
U
Underbody cleaning ............................................... 7-3
Uniform tire quality grading .......................... 10-22
V
Vanity mirror ......................................................... 3-28
Vanity mirror lights ............................................. 2-59
Variable voltage control system ..................... 8-18
Vehicle
Dimensions ................................................... 10-13
Recovery (freeing a stuck vehicle) ............ 6-15
Vehicle Dynamic Control (VDC)
off switch ........................................................ 2-44
Vehicle dynamic control
(VDC) system ................................................ 5-123
Vehicle dynamic control (VDC)
warning light ................................................... 2-16
Vehicle identification number (VIN) ............ 10-14
Vehicle information display .............................. 2-20
Vehicle loading information ........................... 10-18
Vehicle security system ...................................... 2-29
Ventilators ............................................................. 4-32
11-7