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Test No. 11: Low Coolant Message Always On

  1. If instrument panel cluster diagnostic system check has been performed, go to next step. If instrument panel cluster diagnostic system check has not been performed, go to INSTRUMENT PANEL CLUSTER DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Connect scan tool to Data Link Connector (DLC). Disconnect coolant level switch connector. See COMPONENT LOCATIONS  . Turn ignition on. Using scan tool, select Instrument Panel Cluster (IPC) data list. Monitor COOLANT LEVEL SWITCH status. If COOLANT LEVEL SWITCH status is not OFF, go to next step. If COOLANT LEVEL SWITCH status is OFF, go to step  4 .
  3. Repair short in Light Green wire between coolant level switch and IPC connector C2, terminal A10. See Figure . After repairs, go to INSTRUMENT PANEL CLUSTER DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  4. Replace coolant level switch. After repairs, go to INSTRUMENT PANEL CLUSTER DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
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