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Test TC, Temperature Gauge Display Blanks Out Thermometer Symbol & Lights Top Two And Bottom Two Bars

  1. Checking For Temperature Sender Short: Disconnect wiring from temperature sender, located on right side of engine, near No. 1 fuel injector. Turn ignition on. Temperature gauge should read cold with bottom bar lit.
  2. If temperature gauge reading is okay, replace temperature sender. If temperature gauge reading is not okay, proceed to step 3).
  3. Checking For Short In Wiring: Disconnect negative battery cable. Disconnect wiring from temperature sender, located on right side of engine, near No. 1 fuel injector.
  4. Remove instrument cluster. See INSTRUMENT CLUSTER R & I  . Measure resistance between connector C2-2, pin No. 21 (Red/White wire) and C2-1, pin No. 4 (Pink/Orange or Black/Light Blue wire).
  5. If resistance is greater than 15,000 ohms, replace instrument cluster. Install door pillar sticker to indicate instrument cluster has been replaced. If resistance is less than 15,000 ohms, check Red/White wire to temperature sender for short circuit.
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