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Home >> Infiniti >> 2003 >> G35 2D Coupe, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls System - Introduction - Coupe >> Trouble Diagnosis >> CONSULT-II Function >> Active Test Mode >> Test Item
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Test Item

ACTIVE TEST MODE

TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJECTION
  • Engine: Return to the original trouble condition
  • Change the amount of fuel injection using CONSULT-II.
 If trouble symptom disappears, see .
  • Harness and connectors
  • Fuel injectors
  • Heated oxygen sensor 1
IGNITION TIMING
  • Engine: Return to the original trouble condition
  • Timing light: Set
  • Retard the ignition timing using CONSULT-II.
 If trouble symptom disappears, see .
  • Perform Idle Air Volume Learning.
POWER BALANCE
  • Engine: After warming up, idle the engine.
  • A/C switch OFF
  • Shift lever N
  • Cut off each injector signal one at a time using CONSULT-II.
 Engine runs rough or dies.
  • Harness and connectors
  • Compression
  • Fuel injectors
  • Power transistor
  • Spark plugs
  • Ignition coils
COOLING FAN (1)
  • Ignition switch: ON
  • Turn the cooling fan "HI", "LOW" and "OFF" using CONSULT-II.
 Cooling fan moves and stops.
  • Harness and connectors
  • Cooling fan motor
  • IPDM E/R
ENG COOLANT TEMP
  • Engine: Return to the original trouble condition
  • Change the engine coolant temperature using CONSULT-II.
 If trouble symptom disappears, see .
  • Harness and connectors
  • Engine coolant temperature sensor
  • Fuel injectors
FUEL PUMP RELAY
  • Ignition switch: ON (Engine stopped)
  • Turn the fuel pump relay "ON" and "OFF" using CONSULT-II and listen to operating sound.
 Fuel pump relay makes the operating sound.
  • Harness and connectors
  • Fuel pump relay
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-II.
 Engine speed changes according to the opening percent.
  • Harness and connectors
  • Solenoid valve
FUEL/T TEMP SEN
  • Change the fuel tank temperature using CONSULT-II.
VENT CONTROL/V
  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve "ON" and "OFF" with the CONSULT-II and listen to operating sound.
 Solenoid valve makes an operating sound.
  • Harness and connectors
  • Solenoid valve
V/T ASSIGN ANGLE
  • Engine: Return to the original trouble condition
  • Change intake valve timing using CONSULT-II.
 If trouble symptom disappears, see .
  • Harness and connectors
  • Intake valve timing control solenoid valve
(1) Leaving cooling fan "OFF" with CONSULT-II while engine is running may cause the engine to overheat.
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