ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE
NOTE:
For the diagnostic procedure, refer to LAN section. Basic Diagnostic Procedure">
1. OUTLINE OF DIAGNOSIS
Detect malfunction of CAN communication.
Judge as NG when CAN communication failure between TCM, VDC CM and combination meter has occurred.
2. COMPONENT DESCRIPTION
(Common Specifications)
CAN Protocol 2.0 B (Active)
Frame Format: 11 Bit ID Frame (Standard Frame)
Conforms to ISO11898
Communication Speed: 500 kbps
3. EXECUTION CONDITION
Secondary Parameters | Execution condition |
Battery voltage | ≥ 10.9 V |
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
Judge as NG when the following conditions are established.
Malfunction Criteria | Threshold Value |
CAN data from vehicle dynamics control module | = Lost |
Time Needed for Diagnosis: 500 ms
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Dtc u0073 control module communication bus off
TELEMATICS SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0073 CONTROL MODULE COMMUNICATION BUS OFFDetected when CAN line abnormality is detected.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...
Preparation tool
DIFFERENTIALS > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS398477701HANDLE• Used for installing the rear bearing race.• Used for installing the front bearing race.398477702DRIFT• Used for installing the front bearing race. (T-type) ...
Engine hood
CAUTION
When you open the engine hood,
do not stand the wiper blades up.
Furthermore, while the hood is
open, do not operate the windshield
wipers. Doing so could
result in damage to the engine
hood and wiper blades.
Be extremely careful not to catch
fingers or other objects wh ...