Smart Junction Box (SJB) 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 (SJB) C2280C CONNECTOR CIRCUIT REFERENCE
| Pin Number (s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 18 | 1433 (DB/LG) RH sliding door ajar switch signal | 0 volts, less than 5 ohms resistance between the SJB and the RH sliding door ajar switch. Greater than 10,000 ohms resistance between the SJB and chassis ground with the door closed and less than 5 ohms resistance with the door open. |
| 19 | 1432 (WH/VT) LH sliding door ajar switch signal | 0 volts, less than 5 ohms resistance between the SJB and the LH sliding door ajar switch. Greater than 10,000 ohms resistance between the SJB and chassis ground with the door closed and less than 5 ohms resistance with the door open. |
| 31 | 1357 (LB/YE) fuel level signal return | 0 volts, 5 ohms or less between the instrument cluster and the fuel pump module. Greater than 10,000 ohms between the instrument cluster and ground. |
| 34 | 3060 (GY/RD) ambient air temperature sensor signal return | 0 volts, less than 5 ohms between the SJB and the ambient air temperature sensor. Greater than 10,000 ohms between the SJB and ground. |
| 35 | 512 (TN/LG) brake fluid level switch signal return | 0 volts, less than 5 ohms resistance between the SJB and the brake fluid level switch. Greater than 10,000 ohms resistance between the brake fluid level switch and ground. |
| 42 | 1308 (BN/OG) oil pressure switch ground circuit | 0 volts, less than 5 ohms between the SJB and the oil pressure switch. Greater than 10,000 ohms resistance between the oil pressure switch and ground. |
| 44 | 1356 (LG/VT) fuel level variable input signal | 0 volts, variable resistance between the instrument cluster and ground from 15 ohms and 160 ohms depending on the position of the float arm with relation to the fuel level. |
| 47 | 3061 (LB/OG) ambient air temperature sensor voltage reference | Less than 5 ohms between the SJB and the ambient air temperature sensor. |
| 48 | 1305 (DB) brake fluid level switch input | 0 volts, less than 5 ohms resistance between the SJB and the brake fluid level switch. Greater than 10,000 ohms resistance between the brake fluid level switch and ground. |
| 50 | 1309 (RD/YE) brake warning indicator, parking brake input circuit | 0 volts, less than 5 ohms resistance between the instrument cluster and the parking brake switch. Greater than 10,000 ohms resistance between the instrument cluster and chassis ground. |
| 51 | 81 (RD/LG) low washer fluid indicator signal | d0 volts, less than 5 ohms resistance between the low washer fluid switch and chassis ground. |