A/C Signal: Specifications

Condition: Air Conditioning Sensor (A/C switch) ON.
Voltage: [1] 1.5 to 3.5 Volts.

Condition: Air Conditioning Sensor (A/C switch) OFF.
Voltage: [1] 4.5 to 5.5 Volts.

[1] Measured at powertrain control module engine terminal 1O with ignition switch and blower switch turned ON.