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Home >> Infiniti >> 2017 >> Q60 Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) (2.0L Turbo) >> System Description >> Diagnosis System (ECM) >> Consult Function >> Active Test Mode >> Test Item
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Test Item

Test item Full spell Condition
CHECK DECELERATION AIR SWITCHOVER VALVE CHECK DECELERATION AIR SWITCHOVER VALVE
  • Combustion engine AT STANDSTILL.
  • Ignition ON.
CHECK ENGINE OIL PUMP VALVE CHECK ENGINE OIL PUMP VALVE
  • Combustion engine AT STANDSTILL.
  • Ignition ON.
Check boost pressure control Check boost pressure control Engine running at idle
CHECK PURGING SWITCHOVER VALVE CHECK PURGING SWITCHOVER VALVE
  • Combustion engine AT STANDSTILL
  • Ignition ON.
Check intake camshaft solenoid Check intake camshaft solenoid
  • The ignition is switched ON.
  • Engine running at idle
  • Coolant temperature > 80°C (176°F)
Check exhaust camshaft solenoid Check exhaust camshaft solenoid
  • The ignition is switched on.
  • Engine running at idle
  • Coolant temperature > 80°C (176°F)
CAMSHAFT POSITIONER CAMSHAFT POSITIONER
  • Apply parking brake.
  • Move selector lever to position 'P' or 'N' on vehicles with automatic transmission.
  • Shift the gearshift lever to neutral on vehicles with manual transmission.
  • During the test the engine speed must be between 2700 and 3500 RPM.
Check cylinder fuel injectors Check cylinder fuel injectors Engine running at idle
Quantity control valve Quantity control valve
  • The fuel low pressure circuit is OK.
  • The combustion engine is at idle.
  • All electrical accessories must be switched OFF.
CHECK FUEL HIGH PRESSURE CIRCUIT FOR LEAKTIGHTNESS CHECK FUEL HIGH PRESSURE CIRCUIT FOR LEAKTIGHTNESS
  • Ignition ON.
  • Coolant temperature between 75°C and 105°C (167°F and 221°F)
  • Fuel temperature between 40°C and 80°C (104°F and 176°F)
  • Start combustion engine.
  • Combustion engine IDLING
  • Switch off all current consumers.
  • Connect charger for battery.
CHECK FUEL HIGH PRESSURE CIRCUIT CHECK FUEL HIGH PRESSURE CIRCUIT
  • Ignition ON.
  • Apply parking brake.
Check fuel pressure and temperature sensor rail pressure Check fuel pressure and temperature sensor rail pressure
  • Combustion engine IDLING.
  • Coolant temperature between 75°C (167°F) and 105°C (221°F)
  • All electrical accessories must be switched OFF.
CK ENG AND AC WITH INTEGRATED CONT FAN MOTOR CHECK COMBUSTION ENGINE AND AC WITH INTEGRATED CONTROL FAN MOTOR
  • Ignition ON.
  • Combustion engine AT STANDSTILL
  • Vehicle AT STANDSTILL
ALTERNATOR DIAGNOSIS ALTERNATOR DIAGNOSIS
  • DTC is not detected.
  • Combustion engine AT STANDSTILL
  • No charger must be connected.
  • The charge level of the battery is OK.
  • The battery voltage must be between 11.5 V and 15 V.
  • Switch off air conditioning.
  • Make sure that all current consumers are switched off.
Check coolant thermostat heating element Check coolant thermostat heating element
  • Engine running at idle.
  • Combustion engine AT STANDSTILL
  • Vehicle AT STANDSTILL
CHECK THROTTLE VALVE ACTUATOR CHECK THROTTLE VALVE ACTUATOR
  • Coolant temperature > 80°C (176°F)
  • Ignition ON
  • The combustion engine is at a standstill.
  • Accelerator pedal NOT OPERATED
MIXTURE ADAPTATION MIXTURE ADAPTATION
  • Engine speed: 400 - 800 RPM
  • Coolant temperature between 40°C (104°F) and 80°C (176°F)
  • Engine load: 30% or less
  • Selector lever: P or N
AUTO STOP START AUTO STOP START
  • Engine: After warning up, run engine at idle.
  • Selector lever: N or P range
  • "Start" and "Cancel" using CONSULT.
CAUTION:

Be careful so that a hood operations in the opened state when carry out work.

NOTE:

Before performing this test, be sure to check that "OK" is displayed on "BATTERY STS" and "SUB-BATTERY STATUS" in "DATA MONITOR" of EMCM.
CHECK FUEL PRESSURE AND INTERNAL LEAKTIGHTNESS OF FUEL SYSTEM CHECK FUEL PRESSURE AND INTERNAL LEAKTIGHTNESS OF FUEL SYSTEM
  • The fuel tank must not be empty.
  • The coolant temperature must be less than 80°C.
  • Connect pressure gauge.
  • The fuel level must be greater than 10 liter.
  • Run combustion engine at idle.
CHECK COOLANT PUMP SWITCHOVER VALVE CHECK COOLANT PUMP SWITCHOVER VALVE Coolant temperature between 70°C (158°F) and 90°C (194°F)
Throttle valve storks load up Throttle valve storks load up Follow the instruction of CONSULT display.
Purging Switchover valve Purging Switchover valve Follow the instruction of CONSULT display.
Check activated charcoal canister shutoff valve Check activated charcoal canister shutoff valve Follow the instruction of CONSULT display.
Check leak test of fuel tank Check leak test of fuel tank Follow the instruction of CONSULT display.
Check fuel tank pressure sensor Check fuel tank pressure sensor Follow the instruction of CONSULT display.
Check purging pressure control Check purging pressure control Follow the instruction of CONSULT display.
Check cylinder fuel injectors for leaks Check cylinder fuel injectors for leaks Follow the instruction of CONSULT display.
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