Tennant EC-H2O T12, Service Information Manual, Page: 163 / 178

T12 Service Information 9009917 (12-12)
5-31
SERVICE
TESTING THROTTLE/bRAKE SENSOR
2 . The throttle and brake hall effect sensor is a
component of the pedal subassembly .
TBS001
A
B C
D
E F
Pin/cavity noteS color
a power (b) red
b forward ouTpuT (0-5vdc) yeLLow
C brake (0-5vdc) bLue
d Ground (baTTery -) bLaCk
e GaTe a n/a
f GaTe b n/a
3 . key on . backprobe the power supply to the throttle/
brake sensor terminals a and d using a voltmeter
as shown below . The voltmeter should display battery
voltage .
A B C D
A B C D
TBS002
VDC
VDC
for Safety: before leaving or servicing machine, stop
on level surface .
for Safety: When servicing machine, jack machine
up at designated locations only . block machine up with
jack stands .
1 . jack machine up so front drive wheel is not touching
the floor . block machine up with jack stands .
for Safety: When servicing machine, avoid moving
parts . Do not wear loose jackets, shirts, or sleeves when
working on machine .