Bench Testing: Brushes

WARNING: This page is about a different car, the 1998 Mazda Protege, 1998 Mazda Millenia, 1998 Mazda MPV, and 1998 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.

Replace brushes if worn to limit line. See Fig 1-13. Replace brush springs if corroded.

Fig 1: Testing Rectifier Diodes (MPV)

G96B06045

Courtesy of MAZDA MOTORS CORP.

Fig 2: Testing Rectifier Diodes (626)

G96F06047

Courtesy of MAZDA MOTORS CORP.

Fig 3: Rectifier Schematic

G96D06051

Courtesy of MAZDA MOTORS CORP.

Fig 4: Rectifier Continuity Test Chart

G96H06053

Courtesy of MAZDA MOTORS CORP.

Fig 5: Checking Stator For Shorts

G96C06055

Courtesy of MAZDA MOTORS CORP.

Fig 6: Checking Stator Winding Continuity

G96G06057

Courtesy of MAZDA MOTORS CORP.

Fig 7: Measuring Brush Wear

G96A06059

Courtesy of MAZDA MOTORS CORP.

Fig 8: Checking Rotor For Shorts

G96E06061

Courtesy of MAZDA MOTORS CORP.

Fig 9: Checking Rotor Resistance

G96I06063

Courtesy of MAZDA MOTORS CORP.