DTC 26: Left Side Air Bag Module Malfunction
WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
- Before proceeding, see AIR BAG SAFETY PRECAUTIONS . Turn ignition switch to LOCK position. Disconnect negative battery cable. Disconnect left side air bag module connector. See Figure. Inspect air bag module short bar separator. If air bag module short bar separator is okay, and DTC 26 was retrieved as a present malfunction, go to next step. If DTC 26 was retrieved as a past malfunction, go to step 3. If air bag module short bar separator is not okay, replace air bag wiring harness and go to step 4.
- Connect leads of fuel and thermometer checker to left side air bag module connector, terminals "A" and "B". See Figure. Set resistance of checker to 2 ohms. Connect negative battery cable. Turn ignition to ON position. If DTC 26 is indicated, go to next step. If DTC 26 is not indicated, replace left side air bag module and go to step 4. See SIDE AIR BAG MODULES under REMOVAL & INSTALLATION.
- Disable air bag system. See DISABLING SYSTEM under DISABLING & ACTIVATING AIR BAG SYSTEM. Access and disconnect SAS control module connector. See SAS CONTROL MODULE under REMOVAL & INSTALLATION. Check wiring harness between SAS control module connector, terminal 1A and left side air bag module connector terminal "A" (Yellow/Red wire), and between SAS control module connector, terminal 1C and left side air bag module connector, terminal "B" (Yellow/Black wire) for short to ground, power supply or an open circuit. See Figure & Figure . If wiring harness is okay and DTC 26 was retrieved as a present malfunction, replace SAS control module and go to next step. If wiring harness is okay and DTC 26 was retrieved as a past malfunction, replace left side air bag module and go to next step. If wiring harness is not okay, replace air bag wiring harness and go to next step.
- Disconnect negative battery cable. Reconnect all connectors and install previously removed components. Reconnect negative battery cable. Clear past malfunction DTCs. See CLEARING PAST MALFUNCTION DTCS under DIAGNOSTICS. Perform system operation check. See SYSTEM OPERATION CHECK . If AIR BAG warning light operates normally, trouble shooting is complete. If AIR BAG warning light does not operate normally, reconfirm malfunction symptoms.