Active Brake Booster C149
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.
C149 CONNECTOR CIRCUIT DESCRIPTIONS
| Pin Number(s) | Circuit Designation/Description | Normal Condition/Measurement |
|---|---|---|
| 1 | 1581 (PK/LB) brake booster switch | Less than 5 ohms between the ABS module and the brake booster. Closed circuit with brake pedal applied. |
| 2 | 1580 (WH/LG) brake booster switch | Less than 5 ohms between the ABS module and the brake booster. Closed circuit without brake pedal applied. |
| 3 | 1583 (BN/WH) brake booster low side driver | B+ with ignition ON. |
| 4 | 1582 (LG/RD) active brake booster high side supply | B+ with ignition ON. |
| 5 | 3127 (BK/LB) brake booster switch ground | Less than 5 ohms between the ABS module and the brake booster. |