Steer motor non operative - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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Steer motor non operative

Toyota 7FBCU25

We have tested the steer motor. 5 volts supplied, motor turning slow, found main contactor burnt and replaced. Truck ran fine for 5 days and now problem reoccured. No shorts found in steer motor itself.

Posted 28 Sep 2010 03:47
By BossLady
joined 5 Jun'10 - 5 messages
Ontario, Canada

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park brake switch can also cause a problem. make sure it closes when released. probably no controller involved unless the unit has ehps (silent steering) option

Posted 30 Sep 2010 04:26
By toyzilla
joined 29 Mar'10 - 175 messages
Texas, United States

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went to site and the truck is running. Seems to be an intermittent and may be hard to diagnose... thinking it might be control card or resistor... does that seem reasonable or am I missing something?

Posted 30 Sep 2010 02:49
By BossLady
joined 5 Jun'10 - 5 messages
Ontario, Canada

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if voltage is present at cables when activated (contactor on) motor is open. if not check fuse in contactor box. check park brake switch. ps inopertive unless switch is on.

Posted 28 Sep 2010 10:40
By toyzilla
joined 29 Mar'10 - 175 messages
Texas, United States

easier to ask forgiveness than to ask permission.

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