ACTUATOR TEST REFERENCE
Refer to ACTUATOR TEST REFERENCE ).
Scheme 84
| Terminal No. | Check items | Check conditions | Normal conditions |
|---|---|---|---|
| 1 - 8 | |||
| 9 | Ground | Always | 1V or less |
| 10 | Battery power supply | Battery positive voltage | |
| 11 - 14 | |||
| 15 | Power transistor (GATE) | Air volume control dial: Maximum air volume | Battery voltage |
| 16 | Power transistor (DRAIN) | 0 to 2V | |
| 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 kohms) | 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 |
A/C-ECU TERMINALS - VEHICLES WITHOUT A/C
Scheme 85
| Terminal No. | Check items | Check conditions | Normal conditions |
|---|---|---|---|
| 1 - 5 | |||
| 6 | Sensor ground | Always | 1V or less |
| 7, 8 | |||
| 9 | Ground | Always | 1V or less |
| 10 | Battery power supply | 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 kohms) | 2.1 to 2.7 V |
| 14 | |||
| 15 | Power transistor (GATE) | Air volume control dial: Maximum air volume | Battery voltage |
| 16 | Power transistor (DRAIN) | 0 to 2V | |
| 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 kohms) | 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 |
A/C-ECU TERMINALS - VEHICLES WITH A/C