Switch Assembly Operation

NOTE: Test period of each test must be within short time (3 - 5 seconds).

Vacuum test
Disconnect the harness from terminal M and connect it as shown in the figure. Make sure the pinion gear sticks out.

Fig 1: Checking Switch Assembly Operation - Vacuum Test
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Hold test
Make sure the pinion gear remains stick out even after disconnecting terminal M in the above condition.

Fig 2: Checking Switch Assembly Operation - Hold Test
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Return test
Connect the positive terminal to terminal S and the negative terminal to terminal M and starter body to pull the pinion gear at the main contact point. Make sure the pinion gear returns to its original position when the terminal S is disconnected.

Fig 3: Checking Switch Assembly Operation - Return Test
Courtesy of SUBARU OF AMERICA, INC.