No-load Test

WARNING: This page is about a different car, the 2016 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

Verify that the battery is fully charged. (See BATTERY INSPECTION .)
Connect the starter, battery, and a tester as shown in the figure.

Fig 1: Starter Circuit Diagram
Courtesy of MAZDA MOTORS CORP.
Operate the starter and verify that it rotates smoothly.
- If the starter does not rotate smoothly, inspect the starter unit.
Measure the voltage and current while the starter is operating.
- If not within specification, replace the starter. (See STARTER REMOVAL/INSTALLATION .)
  Starter no-load test voltage
  - 11 V
  Starter no-load test current
  - 90 A or less