Sequoia LTD 4WD V8-4.7L (2UZ-FE) (2001)
15. INSPECT FRONT AND REAR BEARING
Turn the bearing by hand while applying inward force. If resistance is felt or the bearing sticks, replace the bearing.
16. DO PULL-IN COIL OPEN CIRCUIT TEST
Using an ohmmeter, check that there is continuity between terminals 50 and C.
If there is no continuity, check and replace the magnetic switch.
17. DO HOLDING COIL OPEN CIRCUIT TEST
Using an ohmmeter, check that there is continuity between terminal 50 and the switch body.
If there is no continuity, replace the magnetic switch.
TEST
NOTE: These tests must be done within 3 to 5 seconds to avoid burning out the coil.
1. DOPULL-INTEST
a. Disconnect the field coil lead wire from terminal C.
b. Connect the battery to the magnetic switch as shown. Check that the pinion gear moves outward.