Operation CHARM: Car repair manuals for everyone.

Signal Faulty - Intermittent Fault




Checking The Wiring







- Ignition off.
- Disconnect connector from passenger airbag.
- Ignition on.

Connect an oscilloscope between the passenger airbag #1 and ground. Check for an intermittent short circuit to ground, as described in Checking wiring and terminals - Intermittent faults.
Checking Wiring and Terminals - Intermittent Faults

The oscilloscope should now show a spiked pulse with a period time of approximately 500 ms.

If the value deviates from this, this indicates that the wire is short circuited; replace the cable harness.