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Home >> Nissan-Datsun >> 2003 >> Frontier Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1402: EGR Function >> DTC Confirmation Test (Using CONSULT-II)
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DTC Confirmation Test (Using CONSULT-II)

  1. Turn ignition on. Select DATA MONITOR mode with CONSULT-II. Ensure the following conditions are met:
    • COOLAN TEMP/S: 14-140°F (-10-60°C).
    • EGR TEMP SEN: less than 3.7 volts.
  2. Turn ignition off and wait at least 5 seconds. Turn ignition on. Select EGR SYSTEM P1402 of EGR SYSTEM in DTC WORK SUPPORT mode with CONSULT-II.
  3. Press START. Follow instructions displayed on CONSULT-II. Start engine and let it idle until TESTING on CONSULT-II changes to COMPLETED (it will take 60 seconds or more).
    NOTE: If TESTING is not displayed after 5 minutes, turn ignition off and allow engine to cool until COOLAN TEMP/S: indicates 14-140°F (-10-60°C). Retry from step  2 .
  4. Press SELF-DIAG RESULTS. If OK is displayed, system is okay at this time. If NG is displayed, go to DIAGNOSTIC PROCEDURE  .
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