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Home >> Chrysler >> 1995 >> LHS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 3.5L >> Test TC-37B >> Ignition Coil Primary Circuits
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Ignition Coil Primary Circuits

NOTE: For connector terminal ID, see CONNECTOR IDENTIFICATION. For wiring diagram, see WIRING DIAGRAMS - 3.5L article in ENGINE PERFORMANCE. After each repair, perform TEST VER-2  .
  1. Turn ignition off. Disconnect Auto Shutdown (ASD) relay. Using an external ohmmeter, check resistance of Dark Green/Orange wire between ASD relay connector terminal "D" and ignition coil connector terminal No. 4. If resistance is more than 5 ohms, repair open Dark Green/Orange wire. If resistance is less than 5 ohms, go to next step.
  2. Turn ignition on. Using scan tool in voltmeter mode, check voltage on ASD relay connector terminal "B" (Red/White wire). If voltage is less than 10 volts, repair open Red/White wire. If voltage is more than 10 volts, go to next step.
  3. Check voltage ASD relay connector terminal "A" (Dark Blue/White wire). If voltage is less than 10 volts, repair open Dark Blue/White wire. If voltage is more than 10 volts, go to next step.
  4. Turn ignition off. Disconnect fuel pump relay. Using an external ohmmeter, check resistance of Dark Blue/Yellow wire between ASD relay connector terminal "C" and fuel pump relay terminal "C". If resistance is more than 5 ohms, repair open Dark Blue/Yellow wire. If resistance is less than 5 ohms, replace ASD relay.
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