Air Bag Control Module: Service and Repair

CAUTION:
1. Never attempt to disassemble or repair the SRS-ECU. If. faulty, replace it.
2. Do not drop or subject the SRS-ECU to impact or vibration. If dents, cracking, deformation, or rust are discovered on the SRS-ECU, replace it with a new SRS-ECU. Discard the old one.
3. After deployment of the air bags, replace the SRS-ECU with a new one.
4. Never use an ohmmeter on or near the SRS-ECU, and use only the special test equipment described.

REMOVAL AND INSTALLATION

Pre-removal Operation
- Turn the ignition key to the LOCK position

SRS Air Bag Control Unit (SRS-ECU):

Removal Steps
- Post-installation inspection
1. Negative (-) battery cable connection
3. Inner box
4. SRS-ECU
5. Shift lever knob
6. Ashtray
7. Center console panel
8. Floor console assembly
9. Bracket

Step 1: Negative (-) Battery Cable Disconnection
Disconnect the negative battery cable from the battery and tape the terminal.

CAUTION: Wait at least 60 seconds after disconnecting the buttery cable before doing any further work.

Step 4: SRS-ECU Installation

CAUTION: The SRS may not activate if SRS-ECU is not installed properly, which could result in the SRS system not operating properly in a collision.

Post-installation Inspection
Reconnect the negative battery terminal. Turn the ignition key to the "ON" position. Does the "SRS" warning light illuminate for about 7 seconds, turn OFF and then remain OFF ? If yes, SRS system is functioning properly. If no, consult Diagnostic Troubleshooting Flow

INSPECTION
- Check the SRS-ECU case and brackets for dents, cracks or deformation.
- Check connector for damage, and terminals for deformation.

CAUTION If a dent, cracks, deformation or rust is discovered, replace the SRS-ECU with a new one.

NOTE: For checking of the SRS-ECU other than described above, refer to the section concerning troubleshooting.