Faulty Signal. Intermittent Fault
Checking Cables
- Check cable between front heated oxygen sensor (HO2S) terminal 4 and engine control module (ECM) # A32 for an intermittent short circuit to the cable between front heated oxygen sensor terminal 3 and engine control module # A33.
Then continue with:
^ Proceed to test step below.
Fault-tracing Information
For intermittent faults fault-tracing is not followed by a verification because the fault is not present at this moment.