Probable Causes:
- Open in ECT 1 circuit for 2 seconds or more (Code 81).
- Open in ESA 1 circuit for .5 seconds after .5 seconds at idle (Code 83).
- Open in ESA 2 circuit for .5 seconds after .5 seconds at idle (Code 84).
- Open in ESA 3 circuit for .5 seconds after .5 seconds at idle (Code 85).
NOTE:
Diagnostic chart is not available from manufacturer.