Mazda MX-5 NA silhouetteMX-5 NA

STARTING SYSTEM

G-25prose procedure
Continued from G-24

Performance Inspection

Pull-out test

Verify that the pinion is pulled out with 12V connected to the S terminal and the starter body grounded.

Pinion gap check

Measure the pinion gap while the pinion is pulled out.
Pinion gap
0.5—2.0mm0.02—0.08in
Adjust the pinion gap with an adjustment washer (between drive housing front cover and magnetic switch) if it is not within specification.

Return test

  1. 1
    Disconnect the motor wire from the M terminal.
    Return test setup with starter motor lying on bench; 12 V from battery connected to the M terminal with the motor wire disconnected.
    05U0GX-061
  2. 2
    Connect 12V to the M terminal and ground to the body.
  3. 3
    Pull out the overrunning clutch with a screwdriver. Verify that it returns to its original position when released.

No-load test

  1. 1
    After adjusting the pinion gap, form a test circuit with a voltmeter and an ammeter.
    Use heavy gauge wires and tighten each terminal fully.
    No-load test schematic: 12 V battery in series with switch K and ammeter A to the starter; voltmeter V is in parallel across the starter terminals.
    05U0GX-062
  2. 2
    Close switch K to run the starter.
  3. 3
    Check for the following:
  4. 4
    If not as specified, check for the cause by referring to Inspection.

No-load test specifications

Starter type
UnitkW
Value0.95
Voltage
UnitV
Value11.5
Current
UnitA
ValueMax. 60
Gear shaft speed
Unitrpm
ValueMin. 6,600
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