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Home >> Infiniti >> 2018 >> QX60 FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction And Basic Inspection) >> System Description >> Diagnosis System (ECM) >> CONSULT Function >> Active Test Mode
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Active Test Mode

Test Item 

TEST ITEM

CONDITION

JUDGEMENT

CHECK ITEM (REMEDY)

ENG COOLANT TEMP

  • Engine: Return to the original trouble condition
  • Change the engine coolant temperature using CONSULT.

If trouble symptom disappears, see CHECK ITEM.

  • Harness and connectors
  • Engine coolant temperature Sensor
  • Fuel injector

FUEL INJECTION

  • Engine: Return to the original trouble condition
  • Change the amount of fuel injection using CONSULT.

If trouble symptom disappears, see CHECK ITEM.

  • Harness and connectors
  • Fuel injector
  • Air fuel ratio (A/F) Sensor 1

PURG VOL CONT/V

  • Engine: After warming up, run engine at 1, 500 RPM.
  • Change the EVAP Canister Purge Volume Control Solenoid Valve opening percent using CONSULT.

Engine speed changes according to the opening percent.

  • Harness and connectors
  • Solenoid valve

FUEL/T TEMP SEN

Change the fuel tank temperature using CONSULT.

POWER BALANCE

  • Engine: After warming up, idle the engine.
  • A/C switch OFF
  • Selector lever: P or N
  • Cut off each injector signal one at a time using CONSULT.

Engine runs rough or dies.

  • Harness and connectors
  • Compression
  • Fuel injector
  • Power transistor
  • Spark plug
  • Ignition coil

INT V/T ASSIGN ANGLE

  • Engine: Return to the original non-standard condition
  • Change intake valve timing using CONSULT.

If malfunctioning symptom disappears, see CHECK ITEM.

  • Harness and connectors
  • Intake valve timing control solenoid valve

EXT V/T ASSIGN ANGLE

  • Engine: Return to the original non-standard condition
  • Change exhaust valve timing using CONSULT.

If malfunctioning symptom disappears, see CHECK ITEM.

  • Harness and connectors
  • Exhaust valve timing control solenoid valve

VIAS S/V-1

  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve "ON" and "OFF" using CONSULT and listen to operating sound.

Solenoid valve makes the operating sound

  • Harness and connectors
  • Solenoid valve

VENT CONTROL/V

  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve "ON" and "OFF" with the CONSULT and listen to operating sound.

Solenoid valve makes an operating sound.

  • Harness and connectors
  • Solenoid valve

FAN DUTY CONTROL*

  • Ignition switch: ON
  • Change duty ratio using CONSULT.

Cooling fan speed changes.

  • Harness and connectors
  • Cooling fan motor
  • Cooling fan relay
  • Cooling fan control module
  • IPDM E/R

VIAS S/V-2

  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve "ON" and "OFF" using CONSULT and listen to operating sound.

Solenoid valve makes the operating sound

  • Harness and connectors
  • Solenoid valve

FPCM

  • Engine: Return to the original trouble condition
  • Select "LOW", "MID" and "HI" with CONSULT.

Fuel pump speed changes or stops.

  • Harness and connectors
  • Fuel pump control module (FPCM)

IGNITION TIMING

  • Engine: Return to the original trouble condition
  • Timing light: Set
  • Retard the ignition timing using CONSULT.

If trouble symptom disappears, see CHECK ITEM.

Perform Idle Air Volume Learning.

ENGINE OIL PRESSURE CONTROL SOLENOID VALVE

  • Water temperature: >-10 deg. C
  • Engine oil temperature: < 120 deg. C (248 deg. F)
  • Engine speed: < 4000 RPM

Engine oil pressure change

  • Harness and connectors
  • Engine oil pressure control solenoid valve
  • Engine oil pressure Sensor
  • Engine oil pump

*: Leaving cooling fan OFF with CONSULT while engine is running may cause the engine to overheat.