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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen items
(Trouble diagnosis content)
DTC detection condition
B20A4–87Headlight (LH) LIN communication
[Headlight (left hand) local interconnect network communication]
[MISSING MESSAGE]Diagnosis conditionIgnition switch ON
Signal (terminal)Headlight LH LIN communication
ThresholdDetected headlight LH LIN communication error
Diagnosis delay time1 second or less
 
 
POSSIBLE CAUSE
  • Harness or connector
  • Headlight LH
    • LED headlight control module
    • Harness
  • IPDM E/R
 
 
FAIL-SAFE
  • Transmits the headlight warning signal (CAN communication) to the combination meter. (When the ignition switch turns ON, the headlight warning is displayed on the information display of the combination meter.)
  • Transmits the request signal (via LIN communication) to the both side LED headlight control module, and turns ON the headlight (LO) and parking light.
 
 
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
With M.U.T.-III SE
  1. Ignition switch ON.
  2. Select “Self Diagnostic Result” mode of “IPDM E/R” using M.U.T.-III SE.
  3. Check DTC.
Is DTC detected?
Refer to Diagnosis Procedure.
-1 To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END