LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 1998 >> Avalon XLS >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Panel >> Component Tests >> Engine Coolant Temperature Gauge & Sender Tests >> Wiring Harness Operational Test

Wiring Harness Operational Test

  1. Disconnect engine coolant temperature sender connector. Turn ignition switch to ON position. Temperature gauge should indicate COOL. Turn ignition switch to OFF position. Connect a 12-volt, 3.4-watt test light between coolant temperature sender harness connector terminal and ground.
  2. Turn ignition switch to ON position. Test light should be on and temperature gauge should slowly move toward HOT. If gauge functions as specified, replace sending unit. If gauge does not function as specified, perform ENGINE COOLANT TEMPERATURE GAUGE RESISTANCE  test below.
scientia non olet · About LEMON Manuals