NOTE: Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedure. Basic Diagnostic Procedure 1. OUTLINE OF DIAGNOSIS (ENGINE TYPE FB) • Detect malfunction of CAN communication. • Judge as NG when data received from VDC CM is not normal. 2. EXECUTION CONDITION (ENGINE TYPE FB)
3. DIAGNOSTIC METHOD (ENGINE TYPE FB) If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 2 seconds Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs. 4. OUTLINE OF DIAGNOSIS (ENGINE TYPE EZ) • Detect malfunction of CAN communication. • Judge as NG when data received from VDC CM is not normal. 5. EXECUTION CONDITION (ENGINE TYPE EZ)
6. DIAGNOSTIC METHOD (ENGINE TYPE EZ) If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Time Needed for Diagnosis: 2 seconds Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs. |
Dtc u0422 invalid data received from body control module
Dtc u0401 invalid data received from ecm/pcm "a"Inspection
1. CRANKSHAFT POSITION SENSOR1. Disconnect the ground terminal from battery sensor. NOTE2. Prepare an oscilloscope.3. While pressing the section (A) shown in the figure, move the lock lever (B) in the direction of the arrow to disconnect the connectors from the ECM in numerical order as shown in th ...