Smart Junction Box C2280c
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. |