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Home >> Nissan-Datsun >> 2003 >> Sentra XE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics (QG18DE) >> Diagnostic Tests >> DTC P0605: Engine Control Module >> Diagnostic Procedure

Diagnostic Procedure

  1. If using CONSULT-II, go to next step. If using generic scan tool, go to step  3.
  2. Turn ignition on. Select SELF-DIAG RESULTS mode with CONSULT-II. Press ERASE. Perform DTC CONFIRMATION TEST  again. If 1st trip DTC is detected, replace ECM. See Figure. Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING , THROTTLE VALVE CLOSED POSITION LEARNING , and IDLE AIR VOLUME LEARNING  under PROGRAMMING. If 1st trip DTC is not detected, test is complete.
  3. Turn ignition on. Select MODE 4 with scan tool. Press ERASE. Perform DTC CONFIRMATION TEST  again. If 1st trip DTC is detected, replace ECM. See Figure. Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING , THROTTLE VALVE CLOSED POSITION LEARNING , and IDLE AIR VOLUME LEARNING  under PROGRAMMING. If 1st trip DTC is not detected, test is complete.
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