check engine light INFINITI Q50 2023 Service Manual

11 Index
A
ABS (Anti-lock Braking System) ................... 5-129
Active Lane Control ............................................ 5-25
Active noise cancellation ................................. 5-142
Active sound enhancement ............................ 5-142
Active trace control .......................................... 5-132
Air bag systemFront-seat mounted side-impact
supplemental air bag system ..................... 1-57
Roof-mounted curtain side-impact
supplemental air bag system ..................... 1-57
Air bag warning labels ....................................... 1-60
Air bag warning light .............................. 1-60, 2-13
Air cleaner housing filter ................................... 8-15
Air conditioner
Air conditioner operation ............................ 4-37
Air conditioner service ................................ 4-43
Air conditioner specification label ......... 10-13
Air conditioning system refrigerant and
lubricant recommendations ....................... 4-43
Air conditioning system refrigerant and
oil recommendations .................................... 10-7
Automatic air conditioner .......................... 4-38
DUAL mode setting ...................................... 4-41
Heater and air conditioner .......................... 4-37
Servicing air conditioner ............................. 4-43
Air deflectors ...................................................... 10-16 Alarm
How to stop alarm (see vehicle
security system) ............................................. 2-31
Alcohol, drugs and driving ................................ 5-10
Android Auto .......................................................... 4-2
Antenna ................................................................. 4-44
Anti-lock Braking System (ABS) ................... 5-129
Appearance care
Exterior appearance care ............................... 7-2
Interior appearance care ................................ 7-5
Apple CarPlay
®...................................................... 4-2
Armrest ...................................................................... 1-7
Around View
®Monitor ...................................... 4-12
Audible reminders ................................................ 2-18
Autolight system .................................................. 2-36
Automatic
Automatic air conditioner .......................... 4-38
Automatic Transmission Fluid (ATF) ......... 8-9
Driving with automatic transmission ....... 5-16
Automatic door locks ............................................ 3-5
Automatic seat positioner ................................ 3-33
Avoiding collision and rollover ............................ 5-9
B
Back-up Collision Intervention (BCI) .............. 5-63
Battery .................................................................... 8-11 Battery replacement, Intelligent Key ......... 3-2
Battery saver system ................................... 2-40
Intelligent Key ................................................. 8-19 Variable voltage control system ............... 8-13
Before starting the engine ................................ 5-14
Belts (See drive belts) ......................................... 8-13
Blind Spot Intervention
®(BSI) ......................... 5-50
Blind Spot Warning (BSW) .............................. 5-40
Brake Anti-lock Braking System (ABS) ............. 5-129
Brake fluid ...................................................... 8-10
Brake force distribution ............................. 5-131
Brake system ............................................... 5-128
Parking brake operation ............................. 5-20
Brake warning light .............................................. 2-11
Break-in schedule .............................................. 5-122
Bulb check/instrument panel ............................ 2-11
Bulb replacement ................................................. 8-22
C
Camera aiding sonar function ......................... 4-26
Capacities and
recommended fluids/lubricants ....................... 10-2
Car phone or CB radio ....................................... 4-45
Card holder ............................................................ 2-52
Catalytic converter Three-way catalyst ......................................... 5-5
Changing intercooler coolant ............................. 8-6
Chassis control ................................................... 5-134
Check tire pressure warning ............................. 2-22
Checking intercooler coolant level .................... 8-6

11-2
Child restraints ..................................................... 1-22LATCH system ............................................... 1-24
Precautions on child restraints .................. 1-22
Child safety ........................................................... 1-20
Child safety rear door lock .................................. 3-6
Chimes Audible reminders .......................................... 2-18
Seat belt warning light
and chime ............................................. 1-14, 2-12
Circuit breaker
Fusible link ....................................................... 8-18
Cleaning exterior and interior .................... 7-2, 7-5
Climate control
Automatic air conditioner .......................... 4-38
Clock ...................................................................... 2-29
Coat hooks ............................................................ 2-52
Cockpit ...................................................................... 2-3
Cold weather driving ........................................ 5-139
Console box ........................................................... 2-51
Coolant
Capacities and recommended fluids/
lubricants .......................................................... 10-2
Changing engine coolant ............................... 8-5
Checking engine coolant level ...................... 8-4
Corrosion protection ............................................. 7-8
Courtesy light ....................................................... 2-60
Cruise control ....................................................... 5-72
Fixed speed cruise control (on
ICC system) ..................................................... 5-91
Intelligent Cruise Control (ICC) ................. 5-75
Cruise indicator .................................................... 2-23 Cup holders ........................................................... 2-49
Current fuel consumption ................................. 2-27
D
Daytime Running Lights (DRL) system ......... 2-41
Defroster switch
Rear window and outside mirror
defroster switch ............................................. 2-35
Dimensions ......................................................... 10-10
Direct Adaptive Steering ................................. 5-126
Distance Control Assist (DCA) ........................ 5-95
Distance to empty ............................................... 2-27
Drive belts .............................................................. 8-13
Drive positioner .................................................... 3-33
Driver assist system indicator .......................... 2-24
Driving Cold weather driving ................................. 5-139
Driving with automatic transmission ....... 5-16
Precautions when starting and driving ..... 5-4
E
ECO drive indicator light .................................... 2-17
ECO mode ............................................................. 5-22
ECO pedal system ............................................... 5-22
Economy
Fuel .................................................................. 5-123
Elapsed time ......................................................... 2-27
Elapsed time and trip odometer ..................... 2-27
Emergency Call (SOS) button .......................... 2-47
Emission control information label ............... 10-12 Emission control system warranty ............... 10-21
Engine
Before starting the engine .......................... 5-14
Break-in schedule ........................................ 5-122
Capacities and recommended fluids/
lubricants .......................................................... 10-2
Changing engine coolant ............................... 8-5
Changing engine oil and filter ...................... 8-7
Checking engine coolant level ...................... 8-4
Checking engine oil level ............................... 8-7
Coolant temperature gauge ......................... 2-8
Emergency engine shut off ......................... 5-13
Engine block heater ................................... 5-140
Engine compartment check locations ........ 8-3
Engine cooling system ................................... 8-3
Engine oil ........................................................... 8-7
Engine oil and filter replacement
indicator ........................................................... 2-25
Engine oil and oil
filter recommendation .................................. 10-6
Engine oil viscosity ........................................ 10-7
Engine serial number ................................. 10-12
Engine specifications ................................... 10-8
Engine start operation indicator ............... 2-21
If your vehicle overheats ................................ 6-7
Remote engine start ..................................... 3-19
Remote engine start operation
indicator ........................................................... 2-21
Starting the engine ....................................... 5-15
Engine coolant temperature gauge .................. 2-8

Maintenance requirements ........................... 9-2
Maintenance schedules ................................. 9-6
Outside the vehicle ......................................... 9-2
Seat belt maintenance ................................. 1-19
Standard maintenance ................................... 9-8
Under the hood and vehicle ......................... 9-4
Maintenance schedules ........................................ 9-6
Malfunction indicator light (MIL) .................... 2-15
Map lights .............................................................. 2-58
Master warning light ............................... 2-12, 2-16
Mechanical key (Intelligent Key system) .......... 3-3
Memory seat ......................................................... 3-33
Memory storage
Memory seat ................................................... 3-33
Meter
Trip computer ................................................. 2-27
Meters and gauges ................................................ 2-6 Instrument brightness control ................... 2-42
Mirror
Inside mirror .................................................... 3-29
Outside mirrors ............................................. 3-30
Vanity mirror ................................................... 3-32
Monitor Around View
®Monitor ................................ 4-12
RearView Monitor ........................................... 4-3
Moonroof ............................................................... 2-56
Moving Object Detection (MOD) ................... 4-31
N
New vehicle break-in ........................................ 5-122
O
Odometer .................................................................. 2-7
Off-road recovery .................................................. 5-9
Oil Capacities and
recommended fluids/lubricants ................. 10-2
Changing engine oil and filter ...................... 8-7
Checking engine oil level ............................... 8-7
Engine oil ........................................................... 8-7
Engine oil viscosity ........................................ 10-7
One touch unlock sensor (See Intelligent
Key system) .............................................................. 3-9
Operation Indicators for operation ............................... 2-21
Outside air temperature .................................... 2-29
Outside mirrors .................................................... 3-30
Overheat, If your vehicle overheats .................. 6-7
Owner’s Manual/Service Manual
order information ............................................. 10-24
P
Panic alarm ............................................................ 3-17
Parking Parking brake operation ............................. 5-20
Parking on hills ............................................. 5-125
Parking brake break-in .................................... 5-129 Personal lights ...................................................... 2-58
PERSONAL mode ............................................... 5-24
Phone
Car phone or CB radio ................................ 4-45
Power Power door lock ............................................... 3-4
Power outlet ................................................... 2-46
Power steering system .............................. 5-126
Power windows ............................................. 2-53
Power moonroof ................................................. 2-56
Power steering warning light ........................... 2-16
Pre-crash seat belts with
comfort function ................................................... 1-15
Precautions Braking precautions ................................... 5-128
Child restraints ............................................... 1-22
Cruise control ................................................. 5-72
Maintenance ..................................................... 8-2
Seat belt usage .............................................. 1-12
Supplemental restraint system .................. 1-42
When starting and driving ............................ 5-4
Predictive Forward Collision
Warning (PFCW) ............................................... 5-113
Push starting ............................................................ 6-7
Push-button ignition switch .............................. 5-11R
Radio Car phone or CB radio ................................ 4-45
Rain-sensing auto wiper system ..................... 2-34
Rapid air pressure loss .......................................... 5-9
11-5