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Home >> Infiniti >> 2003 >> FX45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0605: Engine Control Module >> Diagnostic Procedure
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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 "A"  again. If 1st trip DTC is detected, go to step  4 . 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 "A"  again. If 1st trip DTC is detected, go to next step. If 1st trip DTC is not detected, test is complete.
  4. Replace ECM.
  5. Perform initialization of NATS system and registration of all NATS ignition key IDs.
  6. Perform accelerator pedal released position learning. See ACCELERATOR PEDAL RELEASED POSITION LEARNING  under PROGRAMMING. Perform throttle valve closed position learning. See THROTTLE VALVE CLOSED POSITION LEARNING  under PROGRAMMING. Perform idle air volume learning. See IDLE AIR VOLUME LEARNING  under PROGRAMMING.