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. |
Disassembly
1. Remove the bolt, and then remove the motor assembly - sunroof.2. Remove the screws and release the claws, then detach the drain holder.3. Remove the sunshade assembly together with the cable assembly from the rail assembly - sunroof. ...