Smart Junction Box C2280c
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
SMART JUNCTION BOX C2280C CIRCUIT REFERENCE
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 10 | CKT 1371 (TN/OG) auxiliary blower motor relay switched ground | Greater than 10 volts at all times. |
| 14 | CKT 1322 (BN/WH) blower motor relay switched ground | Greater than 10 volts with the ignition on. |
| 24 | CKT 1372 (PK/BK) auxiliary blower motor speed relay 1 switched ground | Greater than 10 volts at all times. |
| 25 | CKT 1373 (GY/YE) auxiliary blower motor speed relay 2 switched ground | Greater than 10 volts at all times. |
| 32 | CKT 1382 (BK/OG) auxiliary temperature blend door actuator potentiometer ground | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 33 | CKT 1125 (BN) auxiliary mode door actuator potentiometer ground | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 34 | CKT 3060 (GY/RD) ambient air temperature sensor ground | Less than 10 ohms to chassis ground with the ignition on. |
| 36 | CKT 1124 (WH) auxiliary mode door actuator potentiometer reference voltage | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 45 | CKT 1126 (LB) auxiliary temperature blend door actuator potentiometer feedback circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 46 | CKT 1131 (LG) auxiliary mode door actuator potentiometer feedback circuit | Greater than 10,000 ohms to chassis ground and 0 volts. |
| 47 | CKT 3061 (LB/OG) ambient air temperature sensor reference circuit | Greater than 10 volts with the ignition on. |
| 49 | CKT 1381 (WH/LB) auxiliary temperature blend door actuator potentiometer reference voltage | Greater than 10,000 ohms to chassis ground and 0 volts. |