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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> On-Board Diagnostic - Pcm (VIN C & VIN D) (4 Of 5) >> DTC P1200-00: Fuel Injection Quantity System: Fuel Injection Quantity Learning Incomplete

DTC P1200-00: Fuel Injection Quantity System: Fuel Injection Quantity Learning Incomplete

P1200: 00 (PCM (H3T)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Fuel injection quantity system: Fuel injection quantity learning incomplete
Detection condition
  • Fuel injection amount learning is not completed normally.
Fail-safe
  • Not applicable
Possible cause
  1. Fuel injection amount learning is not completed because connection between DLC-2 and M-MDS was temporarily loosened during fuel injection amount learning
    • DLC-2 terminal failure (Refer to [ FUEL INJECTION AMOUNT LEARNING] in service information).
  2. During execution of fuel injection amount learning, the conditions for execution of fuel injection quantity learning were not satisfied. (Refer to [ FUEL INJECTION AMOUNT LEARNING] in service information).
  3. Fuel injector malfunction (Refer to [FUEL INJECTOR INSPECTION ] in service information).
  4. Engine mechanical system malfunction
  5. PCM malfunction (Refer to [PCM REMOVAL/INSTALLATION ] in service information).
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
  2. Perform the KOEO or KOER self-test. (See DTC INSPECTION .)
System Wiring Diagram
  • Not applicable