Toro 41188, Service Manual

Page: 332 / 353

Multi Pro 1750 Page 9 − 22 Ultra Sonic Boom Kit (Optional)
Diagnostic Lamp
When the ignition switch is moved to the ON position
and the Ultra Sonic Boom System electrical system is
ON and functioning properly, the diagnostic lamp will be
illuminated for approximately three (3) seconds and
then will turn off. The diagnostic lamp should remain off
during normal sonic boom operation. The diagnostic
lamp is located on the upper Operator’s control console.
If the ultra sonic boom system Toro Electronic Controller
(TEC) detects an electrical system malfunction (fault)
during operation, the sonic boom light (in sonic boom
switch) will begin to flash slowly and the diagnostic lamp
will flash rapidly. The diagnostic lamp will stop flashing
and will automatically reset when the ignition switch is
turned to the OFF position. The fault, however, will be re-
tained in controller memory and can be retrieved by your
Toro Distributor.
To test the diagnostic lamp:
1. Park vehicle on a level surface, stop engine, engage
parking brake and remove key from ignition switch.
2. Remove the upper console panel and disconnect
wire harness electrical connector from the diagnostic
lamp.
3. Apply 12 VDC to terminal 8 (+) and ground terminal
7 (−). The light should illuminate
4. If the diagnostic lamp tests correctly and a circuit
problem still exists, check wire harness (see Chapter 10
− Electrical Drawings in this manual).
5. After testing is complete, connect wire harness con-
nector to the diagnostic lamp and install the upper con-
sole panel.
1. Upper console 2. Diagnostic lamp
Figure 14
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2