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HOMESERVICE MANUALSMAZDA1991626 DX, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGIGNITION CHECKSCHECK PROFILE IGNITION PICKUP (PIP) AT EDIS MODULE (NAVAJO)
1991 Mazda 626 DX, Automatic

Check Profile Ignition Pickup (Pip) At EDIS Module (NAVAJO)

1991 Mazda 626 DX, AutomaticSECTION Check Profile Ignition Pickup (Pip) At EDIS Module (NAVAJO)
  1. Turn key off. Connect EDIS Diagnostic Cable (007-00059) to breakout box (T83L-50-EEC-IV), EDIS module and coil pack. DO NOT connect Crankshaft (VRS) sensor tee. See Fig 1 . Use EDIS No. 6 overlay.
    Fig 1: Installing EDIS Diagnostic Cable
    G91I17572Courtesy of MAZDA MOTORS CORP.
  2. Connect EDIS diagnostic cable negative lead to battery, leaving positive lead disconnected. Set EDIS 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 EDIS MODULE/PIP FAULT (NAVAJO).
  3. Turn key off. Disconnect ECA. Check continuity of PIP and Ignition Ground (IGND) wires between EDIS and ECA. If any problems are found, repair circuits and components. Clear Continuous Memory, and run QUICK TEST in appropriate G - TEST W/ CODES article in the ENGINE PERFORMANCE section. If continuity is present and wires are not shorted or open, replace EDIS module.
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