Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Mazda 626 ES, AutomaticFACTORY OEM SERVICE PROCEDURE
Generator Specifications
GENERATOR SPECIFICATIONS (2.0L)
| Application | Specification | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Amperage At 2000 RPM | 77 Amps | ||||||||
| Brush Length | |||||||||
| Standard | 0.73" (18.5 mm) | ||||||||
| Minimum | 0.20" (5.0 mm) | ||||||||
| Brush Spring Force | |||||||||
| Standard | 1.17 lbs. (5.2 N) | ||||||||
| Minimum | 0.62 lbs. (2.7 N) | ||||||||
| Generated Current (Reference) (1) | |||||||||
| At 1000 RPM | (2) About 58 Amps Or Below | ||||||||
| At 2000 RPM | (2) About 77 Amps Or Below | ||||||||
| Rotor Resistance (Between Slip Rings) (3) | 2.5-2.9 Ohms | ||||||||
| Standard Voltage | |||||||||
| Ignition Switch ON | |||||||||
| Terminal B | Battery Voltage | ||||||||
| Terminal L | About 1 Volt | ||||||||
| Terminal S | Battery Voltage | ||||||||
| Idle (3) | |||||||||
| Terminal B | 14.1-14.7 Volts | ||||||||
| Terminal L | 13.2-13.8 Volts | ||||||||
| Terminal S | 14.1-14.7 Volts | ||||||||
|
|||||||||
GENERATOR SPECIFICATIONS (2.5L)
| Application | Specification | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Amperage At 2000 RPM | 90 Amps | ||||||||
| Brush Length | |||||||||
| Standard | 0.73" (18.5 mm) | ||||||||
| Minimum | 0.20" (5.0 mm) | ||||||||
| Brush Spring Force | |||||||||
| Standard | 1.17 lbs. (5.2 N) | ||||||||
| Minimum | 0.62 lbs. (2.7 N) | ||||||||
| Generated Current (Reference) (1) | |||||||||
| At 1000 RPM | (2) About 70 Amps Or Below | ||||||||
| At 2000 RPM | (2) About 90 Amps Or Below | ||||||||
| Rotor Resistance (Between Slip Rings) (3) | 2.8-3.2 Ohms | ||||||||
| Standard Voltage | |||||||||
| Ignition Switch ON | |||||||||
| Terminal B | Battery Voltage | ||||||||
| Terminal L | About 1 Volt | ||||||||
| Terminal S | Battery Voltage | ||||||||
| Idle (3) | |||||||||
| Terminal B | 14.1-14.7 Volts | ||||||||
| Terminal L | 13.2-13.8 Volts | ||||||||
| Terminal S | 14.1-14.7 Volts | ||||||||
|
|||||||||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.