Check At A/C-Ecu Terminal < Vehicles With A/C >

Fig 1: Identifying A/C-ECU Connector Terminal (Vehicles With A/C)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Terminal No.	Check item	Check condition	Normal condition
1 - 5	-	-	-
6	Sensor ground	Always	1 V or less
7, 8	-	-	-
9	Ground	Always	1 V or less
10	Battery power supply	Always	Battery positive voltage
11	A/C pressure sensor power supply	Ignition switch: IG2	5 V
12	A/C pressure sensor input	Refer to ON-VEHICLE SERVICE .	Refer to ON-VEHICLE SERVICE .
13	Interior temperature sensor	Sensor probe temperature: 25°C (77°F) (4.0 kΩ)	2.1 to 2.7 V
14	-	-	-
15	Power transistor (GATE)	Air volume control dial: Maximum air volume	Battery voltage
16	Power transistor (DRAIN)	Air volume control dial: Maximum air volume	0 to 2 V
17 - 19	-	-	-
20	IG1 power supply	Ignition switch: IG1	Battery voltage
21 - 24	Mode selection damper control motor	-	-
25	-	-	-
26	Fin thermo sensor	Sensor probe temperature: 25°C (77°F) (4.0 kΩ)	2.1 to 2.7 V
27	Fin thermo sensor ground	Always	1 V or less
28	Motor power supply	-	-
29 - 32	Air mixing damper control motor
33 - 36	Outside/inside air selection damper control motor