B1315

DTC B1315

DTC Detecting Condition and Trouble Area






DTC Troubleshooting


1. Was "Air Bag Diagnostic System Check" performed?
YES
Go to Step 2.
NO
Go to Air Bag Diagnostic System Check Air Bag Diagnostic System Check.
2. OCM operation check
Leave vehicle for about an hour in outside temperature within 10 to 30 C (50 to 86 F) with all windows opened.
Check that the surface temperature of the front passenger seat is within -20 C (4 F) to 65 C (149 F).
Confirm that ignition mode of keyless push start system is in "OFF".
Push engine switch to change ignition mode of keyless push start system to "ON".
Check if DTC is detected.
Is DTC B1315 indicated?
YES
Go to Step 3.
NO
It is in good condition. Room (seat cushion) temperature had been too high or low.
3. OCM power supply and ground circuits check
Check OCM power supply and ground circuits. Testing and Inspection
Is it in good condition?
YES
Replace seat cushion built in OCM with sensor mat. Components
NO
Repair OCM power supply or ground circuits.

NOTE:

Upon completion of inspection and repair work, perform the following items.

- Reconnect all air bag system components and ensure all components are properly mounted.
- Clear DTCs, referring to DTC Clearance DTC Clearance
, if any DTC is detected.
- Repeat Air Bag Diagnostic System Check Air Bag Diagnostic System Check
to confirm that the trouble has been solved.