Multi Pro 5700 - Toro
Multi Pro 5700 - Toro
Multi Pro 5700 - Toro
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Troubleshooting Chart<br />
The chart that follows contains suggestions that can be<br />
used to assist in diagnosing Sonic Boom System performance<br />
issues. These suggestions are not all--inclusive.<br />
Also, consider that there may be more than one cause<br />
for a machine problem.<br />
NOTE: When troubleshooting an electrical problem on<br />
your Sonic Boom System, refer to information regarding<br />
the sonic boom light in this section. Also, use the Diagnostic<br />
Display (see Special Tools in this chapter) to test<br />
electronic control unit (ECU) inputs and outputs.<br />
<strong>Pro</strong>blem<br />
Sonic boom light is not illuminated.<br />
Possible Cause<br />
Sonic mode switch is in the OFF position.<br />
5 amp or 10 amp fuse in sonic boom fuse block is faulty.<br />
Electrical power from vehicle is not available (all sonic boom functions<br />
are affected).<br />
Sonic boom light or circuit wiring is faulty.<br />
Sonic mode switch or circuit wiring is faulty.<br />
LED on one of the sonic boom sensors<br />
is not illuminated.<br />
LED on both of the sonic boom sensors<br />
is not illuminated.<br />
Sonic boom sensor or circuit wiring is faulty.<br />
Sonic mode switch is in the OFF position.<br />
5 amp fuse in sonic boom fuse block is faulty.<br />
Sonic mode switch or circuit wiring is faulty.<br />
One of the boom actuators will not<br />
retract.<br />
30 amp auto resetting fuse for affected boom actuator is faulty.<br />
Power switch relay or circuit wiring for affected boom actuator is<br />
faulty.<br />
One or both of the H--bridge relays or circuit wiring for the affected<br />
boom actuator is faulty.<br />
Boom actuator switch or circuit wiring for affected boom actuator is<br />
faulty.<br />
Affected boom actuator or circuit wiring is faulty.<br />
Neither of the boom actuators will<br />
retract.<br />
Loop back connector is unplugged from wire harness connector.<br />
5 amp or 10 amp fuse in sonic boom fuse block is faulty.<br />
Electrical power from vehicle is not available (all sonic boom functions<br />
are affected).<br />
Both of the boom actuator 30 amp auto resetting fuses are faulty.<br />
ECU or circuit wiring is faulty.<br />
Sonic Boom System (Optional Kit)<br />
Page 7.1 - 20<br />
<strong>Multi</strong> <strong>Pro</strong> <strong>5700</strong>--D