DTC B109F:49 [REAR BODY CONTROL MODULE (RBCM)]


id0902p4013100

System malfunction location

Intruder sensor internal malfunction

Detection condition
•  Rear body control module (RBCM) detects intruder sensor internal malfunction for 1.5 s or more.
Fail-safe
Possible cause
•  Intruder sensor malfunction
•  Rear body control module (RBCM) malfunction
System wiring diagram

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY REAR BODY CONTROL MODULE (RBCM) DTCs AGAIN
•  Clear rear body control module (RBCM) DTCs using the M-MDS.
•  Lock the door to go on theft-deterrent system standby.
•  Unlock the door to cancel theft-deterrent standby.
•  Perform the DTC inspection for the rear body control module (RBCM) using the M-MDS.
•  Is DTC B109F:49 displayed?
Yes
Go to the next step.
No
Go to Step 4.
2
INSPECT INTRUDER SENSOR
•  Inspect the intruder sensor.
•  Is the intruder sensor normal?
Yes
Go to the next step.
No
Replace the intruder sensor, then go to the next step.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear rear body control module (RBCM) DTCs using the M-MDS.
•  Lock the door to go on theft-deterrent system standby.
•  Unlock the door to cancel theft-deterrent standby.
•  Perform the DTC inspection for the rear body control module (RBCM) using the M-MDS.
•  Is DTC B109F:49 displayed?
Yes
Replace the rear body control module (RBCM), then go to the next step.
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.