On-vehicle Inspection
1. Verify that the battery is fully charged.
2. Crank the engine and verify that the starter rotates smoothly without any noise.
- Remove the starter and inspect the magnetic switch and the starter.
- Inspect the related wiring harness and the ignition switch.
No Load Test
1. Verify that the battery is fully charged.
2. Connect the starter, battery, voltmeter and ammeter as shown.

3. Operate the starter and verify that it rotates smoothly.
4. Measure the voltage and current while the starter is operating.
Specification

Starter removal/installation
ClutchMazda 6 Service Manual: Foreword
Outline
There are two on-board diagnostic functions: Operation mode, which
inspects for and indicates correct operation of the input signals to the
control module, and condition detection mode, which indicates troubles in
the system.
The two functions can be done using either of the f ...
Mazda 6 Service Manual: Oil pressure switch removal/installation
Warning
When the transaxle and ATF are hot, they can badly burn. Turn off
the engine and wait untill they are cool before replacing ATF.
1. Disconnect the negative battery cable.
2. Remove the under cover.
3. Disconnect the cord assembly connector.
4. Remove the oil pressure switch.
...