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Home >> Nissan-Datsun >> 2008 >> Sentra SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Control System - Introduction (Qr25DE)) >> On Board Diagnostic (OBD) System >> Emission-related Diagnostic Information >> How To Erase Emission-Related Diagnostic Information >> How to Erase DTC >> With GST

With GST

WARNING: This page is about a different variant/trim than selected.

The emission related diagnostic information in the ECM can be erased by selecting Service $04 with GST.

NOTE:
  • If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10 seconds and then turn it ON (engine stopped) again.
  • If the DTC is not for CVT related items (see "INDEX FOR DTC "), skip step  1.

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NOTE:
  • If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10 seconds and then turn it ON (engine stopped) again.
  • If the DTC is not for CVT related items (see "INDEX FOR DTC "), skip step  1.
  1. Erase DTC in TCM. Refer to "HOW TO ERASE DTC ".
  2. Erase DTC in ECM. Refer to How to Erase Diagnostic Test Mode II (Self-diagnostic Results).
    • If the battery is disconnected, the emission-related diagnostic information will be lost within 24 hours. 
    • The following data are cleared when the ECM memory is erased. 
    • Diagnostic trouble codes
    • 1st trip diagnostic trouble codes
    • Freeze frame data
    • 1st trip freeze frame data
    • System readiness test (SRT) codes
    • Test values

Actual work procedures are explained using a DTC as an example. Be careful so that not only the DTC, but all of the data listed above, are cleared from the ECM memory during work procedures.