Montero V6-3.8L SOHC (2005)
1. Check that the armature coil is not grounded.
2. Place the armature in a growler.
3. Hold a thin steel blade parallel and just above while rotating the armature slowly in the growler. A shorted armature will cause a blade to vibrate
and be attracted to the core. Replace the shorted armature.
4. Check the insulation between the armature coil cores and the commutator segments. They are normal if there is no continuity.
5. Check for continuity between the segments. The condition is normal if there is continuity.
MAGNETIC SWITCH
1. Coil open circuit test
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Check that there is continuity between the M terminal and body A.
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If there is no continuity, replace the magnetic switch.