Control Assembly: Testing and Inspection

Potentio Temperature Control (PTC) Testing:

POTENTIO TEMPERATURE CONTROL (PTC)
^ Ensure that there is voltage between auto amp. side terminal at auto air conditioner harness and body ground, using the table below.

Ignition switch: ON
Temp. lever: 20-30°C (65-85°F)

PTC position °C (°F) Voltage (Volts)
20 (65) 1.75
30 (85) 1.02