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DTC Description
 
 
DTC DETECTION LOGIC
DTC No.M.U.T.-III SE screen items
(Trouble diagnosis content)
DTC detecting condition
B2F70-01Stop light
(Stop light)
Diagnosis conditionWhen brake pedal is depressed
Signal (terminal)
  • Stop light switch 1 signal
  • Stop light switch 2 signal
ThresholdBCM makes a comparison between stop light switch 1 signal and stop light switch 2 signal. It judges from their values to detect the malfunctioning circuit 10 consecutive times
Diagnosis delay timeDepress brake pedal 10 times
 
 
POSSIBLE CAUSE
  • Harness or connectors
    (Stop light switch circuit is open or shorted)
  • Stop light switch
  • Fuse
 
 
FAIL-SAFE
—
 
 
CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
  1. Depress brake pedal 10 times.
  2. Ignition switch ON.
  3. Check DTC in “Self Diagnostic Result” mode of “BCM” using M.U.T.-III SE.
Is DTC detected?
Refer to DTC Diagnosis Procedure.
-1 To check malfunction symptom before repair: Refer to Intermittent IncidentIntermittent Incident.
-2 Confirmation after repair: INSPECTION END