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Home >> Infiniti >> 2003 >> G35 4D Sedan, Standard >> 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

For component location, see COMPONENT LOCATIONS  .

  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"  . 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 generic 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. Turn engine off. Replace ECM. Infiniti Vehicle Immobilizer System (IVIS)/Nissan Anti-Theft System (NATS) must be initialized after ECM has been replaced. See appropriate IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING  , IDLE AIR VOLUME LEARNING  and THROTTLE VALVE CLOSED POSITION LEARNING  procedures under PROGRAMMING.