CHECK AT ENGINE-A/T ECU TERMINALS

<2000>

Terminal No.	Check items	Check conditions	Normal conditions
18	Output to fan controller	Air conditioner switch: OFF	4.9 - 5.1 V
18	Output to fan controller	Air conditioner switch: ON	0 V
21	Output to A/C compressor	A/C compressor relay: OFF	System voltage
21	Output to A/C compressor	A/C compressor relay: ON	0 V
46	A/C pressure sensor power supply	Always	4.9 - 5.1 V
57	A/C pressure sensor earth	Always	0 V
61	Input from A/C-ECU (A/C2)	When the A/C is under low load	System voltage
62	Input from A/C pressure sensor	2.6MPa	3.9 V
83	Input from A/C-ECU (A/C1)	When the A/C is in operation (When the air thermo sensor detects 3°C or more).	System voltage

<2400>

Terminal No.	Check items	Check conditions	Normal conditions
17	Output to fan controller	Air conditioner switch: OFF	4.9 - 5.1 V
17	Output to fan controller	Air conditioner switch: ON	0 V
16	Output to A/C compressor	A/C compressor relay: OFF	System voltage
16	Output to A/C compressor	A/C compressor relay: ON	0 V
97	A/C pressure sensor power supply	Always	4.9 - 5.1 V
96	A/C pressure sensor earth	Always	0 V
78	Input from A/C-ECU (A/C2)	When the A/C is under low load	System voltage
118	Input from A/C pressure sensor	2.6MPa	3.9 V
69	Input from A/C-ECU (A/C1)	When the A/C is in operation (When the air thermo sensor detects 3°C or more).	System voltage