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DTC Description
 
 
DTC DETECTION LOGIC
DTCM.U.T.-III SE screen terms
(Trouble diagnosis content)
DTC detection condition
U030000CAN COMM DATA
(Internal Control Module Software Incompatibility)
Diagnosis conditionWhen the ignition switch is ON
SignalCAN communication signal
ThresholdThe data length transmitted from each control unit is shorter than the specified length and the status
Diagnosis delay time2 seconds
 
 
POSSIBLE CAUSE
Control unit other than TCM
 
 
FAIL-SAFE
  • Selector shock is large
  • Start is slow
  • Acceleration is slow
  • Lock-up is not performed
 
 
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If another “DTC CONFIRMATION PROCEDURE” occurs just before, the ignition switch is OFF and wait for at least 10 seconds, then perform the next test.
: .
 
2.CHECK DTC DETECTION
With M.U.T.-III SE
  1. Start the engine and wait for 5 seconds or more.
  2. Check the DTC.
Is “U0300–00” detected?
Go to Diagnosis ProcedureDTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END