LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 2000 >> Intrepid ES >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Modules >> System Tests >> OTIS >> Incorrect Ambient Temperature Sensor Reading
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Incorrect Ambient Temperature Sensor Reading

  1. Remove ambient temperature sensor. Measure resistance between ambient temperature sensor terminals (component side). See AMBIENT TEMPERATURE SENSOR RESISTANCE  table. If resistance is as specified, go to next step. If resistance is not as specified, replace ambient temperature sensor.
    AMBIENT TEMPERATURE SENSOR RESISTANCE

    Ambient Temperature °F (°C) k/ohms
    32 (0) 29.3-36.0
    50 (10) 18.0-22.0
    68 (20) 11.4-13.6
    77 (25) 9.1-10.8
    86 (30) 7.4-8.7
    104 (40) 4.9-5.7
    122 (50) 3.3-3.8
  2. Turn ignition off. Close all vehicle doors and ensure all lights are off. Wait one minute. Measure resistance between ground and terminal No. 1 (Dark Blue/Gray wire) at ambient temperature sensor harness connector. If resistance is 30 ohms or less, go to next step. If resistance is greater than 30 ohms, go to step  6 .
  3. Disconnect Body Control Module (BCM) harness connector C3. Measure resistance between ground and terminal No. 2 (Dark Blue/Gray wire) at ambient temperature sensor harness connector. If resistance is greater than 10 k/ohms, go to next step. If resistance is 10 k/ohms or less, repair short to ground in Dark Blue/Gray wire between ambient temperature sensor and BCM.
  4. Measure resistance between ground and terminal No. 1 (Violet/Light Green wire) at ambient temperature sensor harness connector. If resistance is greater than 50 k/ohms, go to next step. If resistance is 50 k/ohms or less, repair short to ground in Violet/Light Green wire between ambient temperature sensor and BCM.
  5. Measure resistance between terminals No. 1 (Violet/Light Green wire) and No. 2 (Dark Blue/Gray wire) at ambient temperature sensor harness connector. If resistance is greater than 50 k/ohms, replace BCM. If resistance is 50 k/ohms or less, repair Violet/Light Green wire and Dark Blue/Gray wire shorted to each other between ambient temperature sensor and BCM.
  6. Disconnect Body Control Module (BCM) harness connector C3. Measure resistance in Dark Blue/Gray wire between terminal No. 2 at ambient temperature sensor harness connector and terminal No. 10 at BCM harness connector C3. See Figure . If resistance is 5 ohms or less, replace BCM. If resistance is greater than 5 ohms, repair open in Dark Blue/Gray wire between ambient temperature sensor and BCM.
scientia non olet · About LEMON Manuals