NOTE: For the diagnostic procedure, refer to DTC P1499. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P1499 COIL 4 EGR "A" CONTROL CIRCUIT HIGH 1. OUTLINE OF DIAGNOSIS Detects open or short circuit of EGR. Judge as NG when the ECM output level differs from the actual terminal level. 2. COMPONENT DESCRIPTION
3. EXECUTION CONDITION
4. GENERAL DRIVING CYCLE Perform the diagnosis continuously after the enable conditions have been established. 5. DIAGNOSTIC METHOD If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 2500 ms Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs. |
General diagnostic table inspection
1. ENGINENOTE:Malfunction of parts other than those listed is also possible. Engine Trouble in GeneralSymptomsFaulty parts1. Engine stalls during idling.1) Manifold absolute pressure sensor2) Mass air flow and intake air temperature sensor3) Ignition parts (*1)4) Engine coolant temperature sensor ( ...