Test Description
NOTE:
Numbers in list refer to circled numbers in diagnostic flow chart, see Fig 1
. For circuit identification, see Figure
.
- If multiple codes are present, a data line fault is indicated and should be diagnosed using the preceding MULTIPLE INTERMITTENT CODES chart.
- This step determines if the fault is due to the power or ground circuits or the data line.
- This step checks if the data line fault is in CKT 800 or at the programmer.
- This step checks for ignition 3 to the programmer.