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 denting, cracking, deformation, or rust are discovered in the SRS-ECU, replace it with a new SRS-ECU. Discard the old one.
3. After deployment of an air bag, 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.

REMOVAL AND INSTALLATION
Pre-Removal Operation
- Turn the ignition key to the "LOCK" position.
- Floor Console Removal

Post-Installation Operation
- Floor Console installation

SRS Air Bag Control Unit (SRS-ECU):

Removal Steps
- Post-Installation inspection
1. Negative (-) battery cable connection
2. ABS-ECU
3. SRS-ECU

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 3: SRS-ECU Installation

CAUTION: The SRS may not activate if SRS-ECU is not installed properly, which could result in serious Injury or death to the vehicle's driver or front passenger.

Post-Installation Inspection
1. Turn the ignition key to the "ON" position.
2. Does the "SRS" warning light illuminate for about 7 seconds, and then remain off for at least 5 seconds after turning off?
3. If yes, SRS system is functioning properly. If no, refer System Diagnosis/flow chart.

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

CAUTION: If a dent, crack, 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.