Current Draw Test
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2001 Mazda B4000, 2001 Mazda B3000, 2001 Mazda B2500, 2000 Mazda B4000, and 2000 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
- Ensure battery is fully charged. Disconnect blower motor connector. Connect an ammeter between Pink/White wire of blower motor harness connector. Connect a jumper wire between Orange/Black wire terminal of blower motor connector and corresponding terminal of blower motor.
- Set temperature knob halfway between cool and warm settings. Set mode selector to any position except off. Start engine and operate blower motor in each speed. Record current draw for each blower speed.
- Ensure current draw is within specification. See BLOWER MOTOR CURRENT DRAW SPECIFICATION table. If current draw is not within specification, replace blower motor.
BLOWER MOTOR CURRENT DRAW SPECIFICATION
| Blower Switch Position | Amps |
|---|---|
| OFF | 0 |
| Low | 3.5-5.5 |
| Medium-Low | 5-7.5 |
| Medium-High | 7-9.5 |
| High | 9.5-11.5 |