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Coolant Temperature Gauge Test: Maxima

  1. To check power source, turn the ignition switch to the "ON" position. Check voltage between terminal No. 25 and ground. See Figure. If there is 12 volts go to step 3).
  2. If there is not 12 volts, check for blown fusible link or fuse. Check harness continuity between battery terminal and combination meter. Check for malfunctioning ignition relay and/or ignition switch.
  3. Connect test light between terminal "B" and ground for less than 10 seconds. Coolant temperature gauge should move smoothly to end of scale. If it does not, replace gauge. If it does, perform COOLANT TEMPERATURE SENDING UNIT TEST . If sending unit is okay, repair or replace sending unit harness
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