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EI System Low Data Rate (2.3L): Notes

WARNING: This page is about a different car, the 1994 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Start all diagnostics with QUICK TEST. Proceed to TESTS W/CODES - EEC-IV article in the ENGINE PERFORMANCE section. These tests are dependent on results and service codes received during QUICK TEST.
WARNING: 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 -13 when using pinpoint test procedures.