DTC B2440
id080200807100
System Malfunction Location
Detection Condition
Possible Cause
Diagnostic Procedure
STEP |
INSPECTION |
ACTION |
|
---|---|---|---|
1
|
Turn the ignition switch to the LOCK position.
Connect the M-MDS.
Turn the ignition switch to the ON position.
Using the M-MDS, verify the DTCs and record the past malfunction DTCs.
Is the present malfunction DTC B2440 displayed?
|
Yes
|
Go to the next step.
|
No
|
Intermittent malfunction. The malfunction is not present at this time. Go to Step 5.
|
||
2
|
Turn the ignition switch to the LOCK position.
Refer to the air bag system deactivation procedure and deactivate the system.
Remove the passenger-side side air bag sensor. (See PASSENGER-SIDE SIDE AIR BAG SENSOR REMOVAL/INSTALLATION.)
Visually inspect the passenger-side side air bag sensor installation surface for damage, corrosion, and foreign material.
Properly install the passenger-side side air bag sensor installation bolts, and verify the bolts are tightened to the specified tightening torque.
Is there any damage, corrosion, or foreign material on the passenger-side side air bag sensor installation surface? Is there any malfunction in the installation bolts, or improper tightening torque?
|
Yes
|
Repair or reinstall the malfunctioning part, and go to Step 6.
|
No
|
Go to the next step.
|
||
3
|
Verify that the passenger-side side air bag sensor connector is connected properly.
Is the passenger-side side air bag sensor connector connected properly?
|
Yes
|
Go to the next step.
|
No
|
Connect the connector properly, and go to Step 6.
|
||
4
|
Measure the resistance between installation surface of the passenger-side side air bag sensor and a normal body ground.
Is the resistance more than 100 ohms?
|
Yes
|
Repair the body ground. After repair, go to Step 6.
|
No
|
Replace the passenger-side side air bag sensor.
After replacement, go to Step 6.
|
||
5
|
Refer to the past malfunction DTCs recorded during Step 1.
Are the past malfunction DTCs displayed during Step 1 intermittent malfunctions which are not displayed as present malfunction DTCs?
|
Yes
|
Inspect for an intermittent installation malfunction. Attempt to replicate the malfunction by flexing the wiring harness and cycling the ignition key between the ON and LOCK position repeatedly. Repair or replace if there is any intermittent malfunction.
After repair or replacement, go to the next step.
|
No
|
Go to the next step.
|
||
6
|
Refer to the past malfunction DTCs recorded during Step 1.
Was any past malfunction DTC displayed during Step 1?
|
Yes
|
If any DTC is displayed, refer to the DTC table, and repair the malfunctioning part according to the DTC inspection.
|
No
|
Refer to the reactivation procedure in the air bag system deactivation procedure, reactivate the system. Clear all DTCs.
|