B1404
This document has been updated per Mitsubishi TSB# 06-52b-001DTC B1404: Driver's Air Bag Module (1st Squib Ignition Drive Circuit) System Detected Short Circuit
DTC B1405: Driver's Air Bag Module (1st Squib Ignition Drive Circuit) System Detected Open Circuit
DTC B1414: Passenger s (Front) Air Bag Module (1st Squib Ignition Drive Circuit) System Detected Short Circuit
DTC B1415: Passenger s (Front) Air Bag Module (1st Squib Ignition Drive Circuit) System Detected Open Circuit
DTC B1424: Side-Airbag Module (RH) (Squib) System Detected Short Circuit
DTC B1425: Side-Airbag Module (RH) (Squib) System Detected Open Circuit
DTC B1434: Side-Airbag Module (LH) (Squib) System Fault 3 for Ignition Drive Circuit
DTC B1435: Side-Airbag Module (LH) (Squib) System Fault 4 for Ignition Drive Circuit
DTC B1464: Seat Belt Pre-tensioner (RH) (Squib Ignition Drive Circuit) System Detected Short Circuit
DTC B1465: Seat Belt Pre-tensioner (RH) (Squib Ignition Drive Circuit) System Detected Open Circuit
DTC B1466: Analog G-Sensor System in the SRS-ECU
DTC B1467: Safing G-Sensor Open Circuit
DTC B1468: Safing G-Sensor Short Circuit
DTC B1469: Safing G-Sensor for Side Air Bag Faults
DTC B1474: Seat Belt Pre-tensioner (LH) (Squib Ignition Drive Circuit) System Detected Short Circuit
DTC B1475: Seat Belt Pre-tensioner (LH) (Squib Ignition Drive Circuit) System Detected Open Circuit
DTC B1478: SRS-ECU Capacitor Circuit Voltage too High
DTC B1479: SRS-ECU Capacitor Circuit Voltage too Low
DTC B1484: Driver's Air Bag Module (2nd Squib Ignition Drive Circuit) System Detected Short Circuit
DTC B1485: Driver's Air Bag Module (2nd Squib Ignition Drive Circuit) System Detected Open Circuit
DTC B1494: Passenger s (Front) Air Bag Module (2nd Squib Ignition Drive Circuit) System Detected Short Circuit
DTC B1495: Passenger s (Front) Air Bag Module (2nd Squib Ignition Drive Circuit) System Detected Open Circuit
DTC B1496: SRS-ECU Non-Volatile Memory (EEPROM)
DTC B1497: SRS-ECU Application Specific Integrated Circuit (for frontal activation)
DTC B1498: SRS-ECU ROM or RAM
DTC B1552: Changing Circuit Shorted
DTC B1553: Changing Circuit Open
DTC B1554: SG BY-PASS Circuit Malfunction
DTC B1555: SG BY-PASS Circuit (Field Effect Transistor) Open
DTC B1557: SRS-ECU Application Specific Integrated Circuit
DTC SET CONDITIONS
B1404 - B1435:
B1464 - B1557:
- These DTC are set when a fault is detected in the SRS-ECU. The most likely causes for this code to be set are shown in the table.
TROUBLESHOOTING HINTS
- Malfunction of the SRS-ECU
DIAGNOSIS
Required Special Tools:
- MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: MUT-III USB Cable
- MB991910: MUT-III Main Harness A
STEP 1. Check for diagnostic trouble code.
Q: Is the DTCs set?
YES: Replace the SRS-ECU.
NO: There is an intermittent malfunction such as poor engaged connector(s) or open circuit (Refer to How to use Troubleshooting/Inspection Service Points - How to Cope With Intermittent Malfunctions).