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Home >> Mazda >> 2002 >> Protege5 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Emission Systems & Sub-Systems >> Fuel Evaporative System (Except MPV) >> Purge Solenoid Valve - Circuit Inspection

Purge Solenoid Valve - Circuit Inspection

NOTE: Procedure is for Miata, Protege and Protege5 only. Manufacturer does not supply testing for other models.
  1. Remove PCM. See COMPUTERIZED ENGINE CONTROLS in REMOVAL, OVERHAUL & INSTALLATION article. On Protege and Protege5 only, connect 104-pin Breakout Box (49-UN01-130) between PCM and PCM 104-pin harness connector.
  2. Check for open or short in following circuits:

    • Open Circuit

      Between purge solenoid valve harness connector terminal "A" and main relay 4-pin harness connector terminal "D", through X13 in line connector. See WIRING DIAGRAMS article.
    • Between purge solenoid valve harness connector terminal "B" and PCM harness connector terminal No. 67 on Protege and Protege5 (terminal No. 3C on Miata), through X13 in line connector.

    • Short Circuit

      Short to ground between purge solenoid valve harness connector terminal "A" and main relay 4-pin harness connector terminal "D", through X13 in line connector (on Protege and Protege5).
    • Short to ground between purge solenoid valve harness connector terminal "B" and PCM harness connector terminal No. 67 on Protege and Protege5 (terminal No. 3C on Miata), through X13 in line connector.
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