Incorrect Ambient Temperature Readings

Test 1 - 2:

Test 3 - 6:

Test 7 - 9:

SYMPTOM
INCORRECT AMBIENT TEMPERATURE READINGS

POSSIBLE CAUSES
- Ambient/batt temp sensor
- PCM default/sensor GND.
- Battery temperature sensor signal CKT- PSH/GND
- Battery temperature sensor signal CKT-500K
- Open sensor GND CKT/PCM
- Sensor ground CKT partial short to GND
- Defective compass/mini-trip module-battery sensor signal CKT.
- Defective compass/mini-trip module-DRB