Test 7: Outside Temperature Display
Disconnect instrument cluster harness connector No. 1. See Figure . Measure outside side air temperature. Measure resistance between terminals No. 1 and 2 at instrument cluster harness connector No. 2. Ensure resistance is as specified in table. See OUTSIDE TEMPERATURE DISPLAY TESTING . If resistance is as specified, check electronic circuit board. If circuit board is okay, replace outside temperature display. If resistance is not as specified, check wiring. See WIRING DIAGRAMS . If wiring is okay, replace outside temperature sensor.
OUTSIDE TEMPERATURE DISPLAY TESTING
| Air Temperature °F (°C) | Resistance (Ohms) |
|---|---|
| -4 (-20) | 29,000 |
| 32 (0) | 9800 |
| 68 (20) | 3700 |
| 104 (40) | 1600 |