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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen items
(Trouble diagnosis content)
DTC detecting condition
B2090–14NATS antenna amp.
(Nissan anti-theft system antenna amplifier)
Diagnosis conditionWork support ‟INSIDE/OUTSIDE ANT DIAGNOSIS”: activated
Signal (terminal)NATS antenna amp. signal
ThresholdInactive communication between NATS antenna amp. and Keyless operation key unit
Diagnosis delay time1 second or less
 
 
POSSIBLE CAUSE
  • Harness or connectors
    (NATS antenna amp. circuit is open or shorted.)
  • Push-button ignition switch (NATS antenna amp.)
  • Keyless operation key unit
 
 
FAIL-SAFE
—
 
 
CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
  1. Select “INSIDE/OUTSIDE ANT DIAGNOSIS” in “WORK SUPPORT” mode of “HANDS FREE MODULE”.
  2. Select “Self Diagnostic Result” mode of “HANDS FREE MODULE” using M.U.T.-III SE.
Is the DTC detected?
Refer to DTC Diagnosis Procedure.
-1To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2Confirmation after repair: INSPECTION END