DTC B1207:09 [REAR BODY CONTROL MODULE (RBCM)]


id0902p4090100

Description

Error signal received from SAS control module

Detection condition
•  The rear body control module (RBCM) detected the following conditions for 3 s or more with the ignition switched ON (engine off or on).
―  A signal is received which cannot normally determine the collision conditions from SAS control module even though the collision detection unlock function presence signal received from the BCM determines that the function is present.
Fail-safe
Not applicable
Possible cause
•  SAS control module malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY SAS CONTROL MODULE DTCs
•  Retrieve the SAS control module DTCs using the M-MDS.
•  Are any DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE.)
No
Go to the next step.
2
VERIFY IF MALFUNCTIONING LOCATION IS SAS CONTROL MODULE DEPENDING ON REPEATABILITY
•  Clear the DTC for the rear body control module (RBCM) using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 3 s or more.
•  Retrieve the rear body control module (RBCM) DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the SAS control module, then go to the next step.
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.
No
DTC troubleshooting completed.