| A |
1 |
Ground |
| 2 |
Middle - High |
| 3 |
Middle - Low |
| 4 |
High |
| 5 |
Common |
| 6 |
Low |
| B |
1 |
Battery (+) |
| 2 |
IGN 2 |
| 3 |
IGN 1 |
| 4 |
HTD |
| 5 |
Rear defog switch |
| 6 |
Mode actuator feedback |
| 7 |
Temperature control actuator feedback |
| 8 |
Intake actuator feedback |
| 9 |
Mode control actuator (Vent) |
| 10 |
Mode control actuator (Defrost) |
| 11 |
Temperature control actuator (Cool) |
| 12 |
Temperature control actuator (Warm) |
| 13 |
Intake actuator (Fresh) |
| 14 |
Intake actuator (Recirculation) |
| 15 |
Sensor signal |
| 16 |
Ground |
| 17 |
Illumination (+) (Tail) |
| 18 |
Sensor REF (+5V) |
| 19 |
Detent OUT (+) |
| 20 |
Max blower ON signal |
| 21 |
Evaporator temperature sensor (+) |
| 22 |
Ambient temperature sensor (+) |
| 23 |
PTC relay (PTC only) |
| 24 |
ECV (+) (ECV only) |
| 25 |
ECV (-) - ground (ECV only) |
| 26 |
- |
| 27 |
C_CAN (High) |
| 28 |
C_CAN (Low) |
| 29 |
- |
| 30 |
Blower ON signal to common |
| 31 |
Ground |
| 32 |
Illumination (-) (Rheostat) |