DTC B1A69:86 [FRONT BODY CONTROL MODULE (FBCM)]

id0902p2305600

Description

Error signal received from humidity sensor
Detection condition
•  Front body control module (FBCM) receives the error signals from the humidity sensor for 3 s or more with the ignition switched ON (engine off or on).
Fail-safe
Not applicable
Possible cause
•  Humidity sensor malfunction
•  Front body control module (FBCM) malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action
1
PERFORM DTC INSPECTION AND VERIFY HUMIDITY SENSOR MALFUNCTION
•  Clear the DTC for the front body control module (FBCM) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 3 s or more.
•  Retrieve the front body control module (FBCM) DTCs using the M-MDS.
•  Is the same Pending DTC present?
Yes
Replace the humidity sensor, then go to the next step.
(See RAIN SENSOR REMOVAL/INSTALLATION.)
No
Go to the next step.
2
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the front body control module (FBCM) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 3 s or more.
•  Retrieve the front body control module (FBCM) DTCs using the M-MDS.
•  Is the same Pending DTC present?
Yes
Replace the front body control module (FBCM), then go to the next step.
(See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION.)
No
Go to the next step.
3
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [FRONT BODY CONTROL MODULE (FBCM)].)
No
DTC troubleshooting completed.