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Home >> Mazda >> 1994 >> Protege Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Controls - Basic Testing) >> Ignition Checks >> Engine Controls - Basic Testing >> Check Profile Ignition Pickup (PIP) At ICM
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Check Profile Ignition Pickup (PIP) At ICM

WARNING: This page is about a different car, the 1994 Mazda Navajo and 1994 Mazda B4000. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn key off. Connect ICM Diagnostic Cable (007-00059) to Breakout Box (T83L-50-EEC-IV), ICM and coil pack. DO NOT connect crankshaft Variable Reluctance Sensor (VRS) tee. See Fig 1 . Use ICM No. 6 overlay.
    Fig 1: Installing ICM Diagnostic Cable (B4000 & Navajo)
    G91I17572Courtesy of MAZDA MOTORS CORP.
  2. Connect ICM diagnostic cable negative lead to battery, leaving positive lead disconnected. Set ICM diagnostic cable box to 4/6 CYLINDER position. Connect LED test light leads between breakout box pins No. J43 (PIP E) and J7 (ground). Crank engine. If LED test light blinks, go to step 3). If test light does not blink, go to ISOLATE ICM/PIP FAULT.
  3. Turn key off. Disconnect PCM. Check continuity of PIP and Ignition Ground (IGND) wires between ICM and PCM. See Figure . If any problems are found, repair circuits and components. Clear Continuous Memory, and run QUICK TEST in appropriate G - TESTS W/ CODES article in the ENGINE PERFORMANCE section below. If continuity is present and wires are not shorted or open, replace ICM.
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