B1314

DTC B1314: OCM Power Supply Voltage Out of Range

Wiring Diagram

Refer to B1018 DTC B1018: OCM Communication Error:Advanced Air Bag.

DTC Detecting Condition and Trouble Area






DTC Troubleshooting



1.
Was "Air Bag Diagnostic System Check Flow" performed?
YES
Go to Step 2.
NO
Go to Air Bag Diagnostic System Check Flow:Advanced Air Bag.

2. OCM power supply and ground circuit check

Check OCM power supply and ground circuit referring to Testing and Inspection OCM Power Supply and Ground Circuit Check:Advanced Air Bag.

Is it in good condition?
YES
Go to Step 3.
NO
Repair OCM power supply or ground circuit.

3. Battery voltage check

With engine running at about 3000 rpm, measure voltage battery.

Is voltage in 12 - 15 V?
YES
Substitute a known-good SDM and recheck.
NO
Check charging system and repair as necessary referring to Generator Test.

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:Advanced Air Bag
, if any.
- Repeat Air Bag Diagnostic System Check Air Bag Diagnostic System Check:Advanced Air Bag
to confirm that the trouble has been corrected.