ACTUATOR TEST REFERENCE
| MUT-III SCAN TOOL DISPLAY | ITEM NO. | INSPECTION ITEM | DRIVE CONTENT |
|---|---|---|---|
| Rear defogger switch: OFF | 35 | Rear window defogger switch | Rear window defogger: OFF |
| Rear defogger switch: ON | 36 | Rear window defogger: ON | |
| Air mix damper motor: 0% | 42 | Air mixing damper control motor | Opening degree: approx. 0% (Max cool) |
| Air mix damper motor: 100% | 43 | Opening degree: approx. 100% (Max hot) | |
| Air mix damper motor: 50% | 44 | Opening degree: approx. 50% | |
| Air outlet c/o dumper: Bi_Level | 67 | Mode selection damper control motor | FOOT/FACE |
| Air outlet c/o dumper: DEF | 68 | DEF | |
| Air outlet c/o dumper: DEF/FOOT | 69 | DEF/FOOT | |
| Air outlet c/o dumper: FACE | 70 | FACE | |
| Air outlet c/o dumper: FOOT | 71 | FOOT | |
| In/out changeover damper: Fresh | 72 | Outside/inside air selection damper control motor | Outside |
| In/out changeover damper: Recirc | 73 | Inside | |
| Idle up request: high load | 74 | Idle up operation | Idle up: high load |
| Idle up request: low load | 75 | Idle up: low load | |
| Idle up request: OFF | 76 | Idle up: OFF | |
| Condenser fan: OFF | 77 | Condenser fan | OFF |
| Condenser fan: 100% | 78 | High speed | |
| Condenser fan: 50% | 79 | Middle speed | |
| Front blower fan: OFF | 83 | Blower motor | OFF |
| Front blower fan: Middle | 84 | Middle speed | |
| Front blower fan: High | 85 | High speed |
ACTUATOR TEST REFERENCE
Scheme 380
| TERMINAL NO. | CHECK ITEM | CHECKING REQUIREMENTS | NORMAL CONDITION |
|---|---|---|---|
| 1 | Air mixing damper control motor | When the air mix damper is moved to the MAX. COOL position. | 10 V |
| When the air mix damper is moved to the MAX. HOT position. | 0.5 V | ||
| 2 | Air mixing damper control motor | When the air mix damper is moved to the MAX. COOL position. | 0.5 V |
| When the air mix damper is moved to the MAX. HOT position. | 10 V | ||
| 3 | Back-up power supply | Always | Battery positive voltage |
| 4 | Mode selection damper control motor (DEF) | When the damper is moved to the FACE position. | 0.5 V |
| When the damper is moved to the DEF position. | 10 V | ||
| 5 | Outside/inside air selection damper control motor (outside) | When the damper is moved to the inside air recirculation position. | 0.5 V |
| When the damper is moved to the outside air induction position. | 0 V (when the motor is stopped) | ||
| 6 | Outside/inside air selection damper control motor (inside) | When the damper is moved to the inside air recirculation position. | 0 V (when the motor is stopped) |
| When the damper is moved to the outside air induction position. | 0.5 V | ||
| 8 | Rear defogger relay | Ignition switch: ON | Battery positive voltage |
| 9 | Front blower relay | Ignition switch: ON | Battery positive voltage |
| 10 | A/C compressor relay | A/C compressor relay: ON | Battery positive voltage |
| 11 | Mode selection damper control motor (FACE) | When the damper is moved to the FACE position. | 10 V |
| When the damper is moved to the DEF position. | 0.5 V | ||
| 12 | A/C pressure sensor | Ignition switch: ON | 5 V |
| 16 | Potentiometer power supply | Ignition switch: ON | 5 V |
| 17 | Power transistor (BASE) | When the blower speed selection dial shows Maximum air volume. | 1 V |
| 18 | Power transistor (COLLECTOR) | When the blower speed selection dial shows Maximum air volume. | 12.1 V |
| 19 | Photo sensor | Ignition switch: ON | 5 V |
| 20 | Sensors and potentiometers ground | Always | 0 V |
| 21 | Mode selection damper control motor potentiometer input | When the damper is moved to the FACE position. | 4 V |
| 22 | Interior temperature sensor | Ignition switch: ON | 5 V |
| 23 | Ambient temperature sensor input | When sensor temperature is 25°C (77°F) [4 kohms] | 1.9 V |
| 24 | Air thermo sensor input | When sensor temperature is 25°C (77°F) [1.5 kohms] | 2.2 V |
| 25 | Photo sensor ground | Ignition switch: ON | 0 V |
| 26 | A/C pressure sensor | At 2.6 MPa (377 psi) | 3.9 V |
| 27 | Ground | Always | 0 V |
| 28 | Power supply to the ignition switch (IG2) | Ignition switch: ON | Battery positive voltage |
| 29 | Air mixing damper control motor potentiometer input | When the damper door is moved to the MAX. HOT position. | 1.4 V |
| 30 | Illumination ground | Always | 0 V |
| 31 | ILL power supply | Lighting switch: ON | Battery positive voltage |
| 34 | A/C pressure sensor ground | Always | 0 V |
| 36 | Power supply to the ignition switch (ACC) | Ignition switch: ON | Battery positive voltage |
TERMINALS VOLTAGE CONDITIONS