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Engine Controls - Adjustments: Diagnosis Nissan Altima U13

Adjustments ~129 words

PRELIMINARY INSPECTION/PREPARATION

  1. Make sure that the following parts are in good order: Battery Ignition system Engine oil and coolant levels Fuses ECM harness connector Vacuum hoses Air intake system (Oil filler cap, oil level gauge, etc.) Fuel pressure Engine compression EGR valve operation Throttle valve
  2. On air conditioning equipped models, checks should be carried out while the air conditioning is "OFF".
  3. On automatic transaxle equipped models, when checking idle RPM, ignition timing and mixture ratio, checks should be carried out while shift lever is in "N" position.
  4. When measuring "CO" percentage, insert probe more than 40 cm (15.7 in) into tail pipe.
  5. Turn off headlamps, heater blower, rear defogger.
  6. Keep front wheels pointed straight ahead.
  7. Make the check after the cooling fan has stopped.