EI System (Low Data Rate) (Mustang 2.3L): Notes

NOTE: Start all diagnostics with QUICK TEST. See G - EEC-IV TESTS W/CODES article in the ENGINE PERFORMANCE Section. These tests are dependent on results and service codes received during QUICK TEST. DO NOT connect PCM to EI diagnostic cable. If PCM is connected to EI diagnostic cable, PCM may be damaged. PCM 60-pin harness connector may be connected to an additional breakout box only.

NOTE: Refer to Figs. Figure-17 when using pinpoint test procedures.