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Home >> Mazda >> 1994 >> B2300 SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks - B2300 >> Check Profile Ignition Pickup (Pip) At ICM
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Check Profile Ignition Pickup (Pip) At ICM

  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. Use ICM No. 6 overlay.
  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. If any problems are found, repair circuits and components. Clear Continuous Memory, and run QUICK TEST in TESTS W/CODES article in the ENGINE PERFORMANCE section. If continuity is present and wires are not shorted or open, replace ICM.
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