Engine Controls - Tests W/codes - Tests: Diagnosis Honda Prelude V

Intermittent Symptom

If symptom is intermittent, check for

1. A loose No. 14 ECU/EAT ECU (15-amp) fuse located in underdash fuse/relay box.
2. A poor connection at PCM 32-pin connector "A" terminal A18 (Gray/Red wire).
3. An intermittent open in Gray/Red wire between PCM connector terminal A18 and gauge assembly.