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Home >> Nissan-Datsun >> 1989 >> Sentra Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Testing >> Coolant Temperature Gauge Test >> Pathfinder & Pickup

Pathfinder & Pickup

  1. To check power source, turn ignition switch to "ON" position. On models equipped with voltmeter, check voltage between terminal No. 2 and ground. See Figure thru Figure. On models without voltmeter, check voltage between terminal No. 29 and ground. On all models, 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 a jumper wire between terminal "A" and ground for less than 10 seconds. Coolant temperature gauge should move smoothly to end of the scale. If it does not, replace coolant temperature gauge.
  4. If coolant temperature guage does move smoothly to end of the scale, perform COOLANT TEMPERATURE SENDING UNIT TEST . If sending unit is okay, repair or replace sending unit harness.
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