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Engine Control System (4JH1) 6E-43 Diagnostic Trouble Code (DTC) List DTC (Symptom Code) Flash MIL Status DTC Name on Tech 2 Condition for Running the DTC Condition for Setting the DTC Possible Cause P0100 (7) 65 ON Mass Air Flow • The ignition switch is ON. • The ECM detects that the MAF • Sensor 5V reference circuit is short to battery • Sensor 5V reference circuit is short to the • Faulty MAF sensor. P0100 (9) 65 ON Mass Air Flow • The ignition switch is ON. • The ECM detects that the MAF • Sensor 5V reference circuit is short to ground. • Sensor 5V reference circuit is short to the low • Faulty MAF sensor. P0100 (B) 65 ON Mass Air Flow • The ignition switch is ON. • The engine is running. • The ECM calculated MAF is • Sensor ignition voltage feed circuit is open • Sensor 5V reference circuit is open circuit, • Sensor signal circuit is open circuit, high • Poor harness connector connection. • Faulty MAF sensor installation. • Faulty MAF sensor. P0100 (C) 65 ON Mass Air Flow • The ignition switch is ON. • The engine is running. • The ECM calculated MAF is • Sensor signal circuit is short to any 5V • Sensor low reference circuit is open circuit or • Poor harness connector connection. • Faulty MAF sensor. |