Signal Too High. Intermittent Fault

Signal too high. Intermittent fault

Checking wiring








- Ignition off.
- Disconnect the connector from the seat belt tensioner.
- Ignition on.
Connect oscilloscope between seat belt tensioner #1 and ground. Check for an intermittent short-circuit to supply voltage according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
The oscilloscope should now display a spiked pulse with an interval of approximately 500 ms.
If the value deviates there is a short-circuit in the cable. Replace the cable harness.
Also take readings between seat belt tensioner #2 and ground.
The oscilloscope should not give a reading.
Remedy as necessary.

Other information:
- To access / replace the seat belt tensioner, see Seat belt Service and Repair.









Select Continue when the fault has been remedied.

Continue - Fault-tracing information
DONE

-------------------------------------------------

Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - FAULT FOUND

------------------------

FAULT-TRACING FAILED - DONE

Attempt New Test - Checking wiring

-------------------------------------------------