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Home >> Nissan-Datsun >> 2008 >> Altima Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Hybrid)) >> Function Diagnosis >> On Board Diagnostic (OBD) System >> CONSULT-III Function >> Active Test Mode >> Test Item
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Test Item

WARNING: This page is about a different variant/trim than selected.
TEST ITEMS CONDITION AND JUDGEMENT CHART

TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
FUEL INJECTION
  • Ignition switch: ON (READY)
  • Engine: Return to the original trouble condition
  • Change the amount of fuel injection using CONSULT-III.
 If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Fuel injector
  • Air fuel ratio (A/F) sensor 1
IGNITION TIMING
  • Ignition switch: ON (READY)
  • Engine: Return to the original trouble condition
  • Timing light: Set
  • Retard the ignition timing using CONSULT-III.
 If trouble symptom disappears, see CHECK ITEM.
  • Perform Idle Air Volume Learning.
POWER BALANCE(1)
  • Ignition switch: ON (READY)
  • Engine: After warming up
  • Selector lever: P
  • Cut off each fuel injector signal one at a time using CONSULT-III.
 Engine runs rough or dies.
  • Harness and connectors
  • Compression
  • Fuel injector
  • Power transistor
  • Spark plug
  • Ignition coil
ENG COOLANT TEMP
  • Ignition switch: ON (READY)
  • Engine: Return to the original trouble condition
  • Change the engine coolant temperature using CONSULT-III.
 If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Engine coolant temperature sensor
  • Fuel injector
FUEL PUMP RELAY(2)
  • Ignition switch: ON
  • Turn the fuel pump relay "ON" and "OFF" using CONSULT-III and listen to operating sound.
 Fuel pump relay makes the operating sound.
  • Harness and connectors
  • Fuel pump relay
PURG VOL CONT/V
  • Ignition switch: ON (READY)
  • Engine: After warming up, run engine at 1,500 rpm.
  • Change the EVAP canister purge volume control solenoid valve opening percent using CONSULT-III.
 Engine speed changes according to the opening percent.
  • Harness and connectors
  • Solenoid valve
FUEL/T TEMP SEN
  • Change the fuel tank temperature using CONSULT-III.
VENT CONTROL/V
  • Ignition switch: ON (Engine stopped)
  • Turn solenoid valve "ON" and "OFF" with the CONSULT-III and listen to operating sound.
 Solenoid valve makes an operating sound.
  • Harness and connectors
  • Solenoid valve
V/T ASSIGN ANGLE
  • Ignition switch: ON (READY)
  • Engine: Return to the original trouble condition
  • Change intake valve timing using CONSULT-III.
 If trouble symptom disappears, see CHECK ITEM.
  • Harness and connectors
  • Intake valve timing control solenoid valve
FAN DUTY CONTROL(3)
  • Ignition switch: ON
  • Change duty ratio using CONSULT-III.
 Cooling fan speed changes.
  • Harness and connectors
  • Cooling fan motor
  • Cooling fan relay
  • Cooling fan control module
  • IPDM E/R
(1) This item can be executed for 200 seconds after touch "Test Start". If 200 seconds passed, touch "End", and turn ignition switch OFF.
(2) Leaving fuel pump relay OFF with CONSULT-III while ignition switch is ON (READY) position, a certain DTC may be detected.
(3) Leaving cooling fan OFF with CONSULT-III while engine is running may cause the engine to overheat.
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