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Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Dodge Intrepid, 2002 Chrysler Intrepid, 2002 Chrysler Concorde, and 2002 Chrysler 300M. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Disconnect PCM harness connector C3. See Figure. Disconnect Autostick switch harness connector located under gearshift lever. Measure resistance of Autostick downshift switch sense circuit between Autostick switch harness connector terminal No. 1 and PCM harness connector C3 terminal No. 26 using Miller Special Tool (8815). See WIRING DIAGRAMS . If resistance is greater than 5 ohms, repair open in Autostick downshift switch sense circuit. If resistance is 5 ohms or less, go to next step.
  2. Measure resistance between ground and ground circuit at Autostick switch harness connector terminal No. 3. If resistance is greater than 5 ohms, repair open ground circuit. If resistance is 5 ohms or less, go to next step.
  3. Measure resistance of Autostick upshift switch sense circuit between Autostick switch harness connector terminal No. 2 and PCM harness connector C3 terminal No. 27 using Miller Special Tool (8815). See WIRING DIAGRAMS . If resistance is greater than 5 ohms, repair open in Autostick upshift switch sense circuit. If resistance 5 ohms or less, go to next step.
  4. Turn ignition on. Measure voltage between ground and fused ignition switch output circuit at Autostick switch harness connector terminal No. 4. If voltage is greater than 10 volts, go to next step. If voltage is 10 volts or less, repair open in fused ignition switch output circuit.
  5. Reconnect all connectors. Turn ignition on. Using scan tool, monitor Autostick switch status. Apply brake and shift into Autostick. Pull gearshift lever to the left several times to actuate downshift switch, then push gearshift lever to the right several times to actuate upshift switch. If upshift and downshift switch status on scan tool display toggles, test is complete. If switch status on scan tool display does not toggle, replace PCM. See POWERTRAIN CONTROL MODULE  under REMOVAL & INSTALLATION.
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