NOTE: For the diagnostic procedure, refer to DTC U0077. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF 1. OUTLINE OF DIAGNOSIS Detect malfunction of LIN communication. Judge as NG when LIN communication failure has occurred with the battery sensor. 2. COMPONENT DESCRIPTION (Common Specifications) Communication protocol: LIN 2.0 Communication Speed: 19.20 kbps 3. EXECUTION CONDITION
4. GENERAL DRIVING CYCLE Always perform the diagnosis continuously. 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: 2 seconds Malfunction Indicator Light Illumination: Does not illuminate. |
Dtc u0101 lost communication with tcm
Dtc u0077 lin communication bus "ecm/pcm" offInspection
1. INSPECT THE SPECIFIED POSITION1. Measure the specified position of the stop light switch ends.Specified position L:3.6 mm ±0.4 mm (0.14 in ±0.016 in)2. Measure the clearance between the end of the stop light switch and the stopper.CAUTION:Be careful not to rotate the stop light switch.Stop ligh ...