Temperature Gauge
CAUTION:
DO NOT connect sender wire directly to ground during test.
- Disconnect temperature sender wire from sending unit. Connect a 12-volt, 3.4-watt test bulb between connector terminal and ground. Turn ignition switch to ON position. Bulb should flash and temperature gauge needle should move. If test light does not flash and gauge needle does not move, repair wiring to sending unit.
- If test light flashes and gauge needle moves, remove thermosensor (sending unit) from engine block and place sending unit in hot 158°F (70°C) water. Check sensor resistance with an ohmmeter. Thermosensor resistance should be 90-117 ohms at 158°F (70°C) on all models. Replace thermosensor if not operating within specification.
- Remove instrument cluster from instrument panel. See INSTRUMENT PANEL under REMOVAL & INSTALLATION Measure resistance between temperature gauge terminals at rear of cluster. See TEMPERATURE GAUGE RESISTANCE SPECIFICATIONS table below.
TEMPERATURE GAUGE RESISTANCE SPECIFICATIONS
| Application | Terminals | Ohms | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mirage (1)(2) | B-D | 144-174 | ||||||||||||||||
| Mirage (1)(2) | C-D | 68-82 | ||||||||||||||||
| Mirage (1)(2) | B-C | 76-92 | ||||||||||||||||
| Eclipse (3) | A-B | 130 | ||||||||||||||||
| Eclipse (3) | A-C | 53 | ||||||||||||||||
| Eclipse (3) | B-C | 162 | ||||||||||||||||
| Galant (4) | A-B | 146 | ||||||||||||||||
| Galant (4) | A-C | 60 | ||||||||||||||||
| Galant (4) | B-C | 206 | ||||||||||||||||
| Montero (5) | No. 1-No. 2 | 55 | ||||||||||||||||
| Pickup (6) | 7V-TU | 49-61 | ||||||||||||||||
| Sigma (7) | 1-2 | 49-61 | ||||||||||||||||
| Van/Wagon (8) | No. 1-No. 2 | 50-60 | ||||||||||||||||
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