Rear A/C Evaporator Temperature Controller

1. Connect battery positive (+) cable to terminal "b" and battery negative (-) cable to terminal "c" as shown.
2. Using ohmmeter, check continuity between terminal "a" and terminal "b" at specified temperature as shown.

Rear A/C evaporator temperature controller specification
"A": Approximately 3.5 °C (38.3 °F)
"B": Approximately 5.0 °C (41 °F)