Mazda MX-5 Miata / Grand Touring. Manual — part 171

Fig. 7: Energizing Starter S Terminal
Courtesy of MAZDA MOTORS CORP.

Return test

1. Disconnect the motor wire from terminal M.

2. Connect battery positive voltage to terminal M and ground the starter body.

2008 Mazda MX-5 Miata Grand Touring

2008 ENGINE Starting System - MX-5 Miata

Fig. 8: Connecting Battery Positive Voltage To Terminal M & Ground Starter Body
Courtesy of MAZDA MOTORS CORP.

3. Pull out the drive pinion with a screwdriver. Verify that it returns to its original position when released.



If it does not return, repair or replace the starter.

PINION GAP INSPECTION

1. Pull out the drive pinion with the battery positive voltage connected to terminal S and the starter body

grounded.

CAUTION:



Applying power for more than 10 s can damage the starter. Do
not apply power for more than 10s.

2008 Mazda MX-5 Miata Grand Touring

2008 ENGINE Starting System - MX-5 Miata

Fig. 9: Energizing Starter S Terminal
Courtesy of MAZDA MOTORS CORP.

2. Measure the pinion gap while the drive pinion is extended.



If not as specified, adjust with an adjustment washer (between drive housing front cover and
magnetic switch).

Starter pinion gap

0.5-2.0 mm {0.02-0.07 in}

2008 Mazda MX-5 Miata Grand Touring

2008 ENGINE Starting System - MX-5 Miata

Fig. 10: Measuring Pinion Gap While Drive Pinion Is Extended
Courtesy of MAZDA MOTORS CORP.

STARTER INNER PARTS INSPECTION

Armature

1. Verify that there is no continuity between the commutator and the core at each segment using a tester.



If there is continuity, replace the armature.

2008 Mazda MX-5 Miata Grand Touring

2008 ENGINE Starting System - MX-5 Miata