Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Test A: The Air Bag Warning Indicator is Illuminated Continuously
2007 Ford Edge FWD V6-3.5LSECTION Test A: The Air Bag Warning Indicator is Illuminated Continuously
PINPOINT TEST A: THE AIR BAG WARNING INDICATOR IS ILLUMINATED CONTINUOUSLY
Normal Operation
During normal operation, the air bag warning indicator will illuminate continuously for 6 seconds after the ignition switch is placed in the RUN or ON position. Be sure to cycle the ignition switch and look for a 6-second indicator prove-out without diagnostic trouble codes (DTCs). The restraints control module (RCM) will communicate to the instrument cluster module to turn the air bag warning indicator ON or OFF via the high-speed controller area network (HS-CAN). The RCM will also communicate over the HS-CAN DTCs to the scan tool through the data link connector (DLC).
Possible Causes
An air bag warning indicator that is illuminated continuously or no communication with the RCM can be caused by:
- a DTC.
- damaged wiring, terminals or connectors.
- damaged ignition circuit.
- RCM disconnected from the vehicle harness.
- a loss of RCM ground.
- loss of RCM battery feed.
- instrument cluster module.
- RCM is faulted.
A1:
A2-A4:
Normal Operation
During normal operation, the air bag warning indicator will illuminate continuously for 6 seconds after the ignition switch is placed in the RUN or ON position. Be sure to cycle the ignition switch and look for a 6-second indicator prove-out without diagnostic trouble codes (DTCs). The restraints control module (RCM) will communicate to the instrument cluster module to turn the air bag warning indicator ON or OFF via the high-speed controller area network (HS-CAN). The RCM will also communicate over the HS-CAN DTCs to the scan tool through the data link connector (DLC).
Possible Causes
An air bag warning indicator that is illuminated continuously or no communication with the RCM can be caused by:
- a DTC.
- damaged wiring, terminals or connectors.
- damaged ignition circuit.
- RCM disconnected from the vehicle harness.
- a loss of RCM ground.
- loss of RCM battery feed.
- instrument cluster module.
- RCM is faulted.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.