B1314

DTC B1314

Circuit Diagram










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 power supply and ground circuits check

Check OCM power supply and ground circuits. Testing and Inspection

Are they in good condition?
YES -
Go to Step 3.
NO -
Repair OCM power supply or ground circuits.

3. Battery voltage check

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

Is voltage 12 - 15 V?
YES -
Substitute a known-good SDM and recheck DTC. SDM Removal and Installation
NO -
Check charging system and repair it if necessary. Testing and Inspection

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.