Air Bag Control Module: Service and Repair
SRS AIR BAG CONTROL UNIT (SRS-ECU)CAUTION: Never attempt to disassemble or repair the SRS-ECU. If faulty, replace it.
CAUTION: 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.
CAUTION: After deployment of an air bag, replace the SRS-ECU with a new one.
CAUTION: Never use an ohmmeter on or near the SRS-ECU, and use only the special test equipment described.
SRS Air Bag Control Unit (SRS-ECU):
REMOVAL AND INSTALLATION
REMOVAL SERVICE POINT
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 battery cable before doing any further work.
WARNING: Battery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.
INSTALLATION SERVICE POINTS
>A< 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.
>B< 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 to Troubleshooting.