LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2007 >> 3 Mazdaspeed, 2.3 M >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (L3 With TC) >> Fuel Injector Inspection >> Circuit Open/Short Inspection >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit Open/Short Inspection: Notes

  1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION .)
  2. Inspect the following wiring harnesses for an open or short circuit (continuity check).
    Fig 1: Identifying Fuel Injector Connector Terminals
    G04859680Courtesy of MAZDA MOTORS CORP.
    Fig 2: PCM Connector Terminal Identification
    G04859681Courtesy of MAZDA MOTORS CORP.