Customer Care
25107 Mechanical Brake Test Failed
Caused by: Park brake failed to prevent the motor from rotating during the
start up test. Can be caused by turning the key switch off and back to drive
while the vehicle is moving.
1.
Turn the key switch off and try to push the vehicle.
The tow switch must be in the run position. If the car
can be pushed, got to step 2.
2.
Verify the brake coil driver by placing
the pos. meter probe A on one driver
terminal and the neg. meter probe B on
the remaining terminal. Resistance
should be 27 ohms +/- 3 ohms. If out of
range, replace the coil driver. If good,
go to step 3.
3.
Verify friction disk alignment.
Remove the park brake and inspect
the friction disk. Go to step 4.
Tech Tip:
With the key switch in the on position, flip to tow
switch to tow. An audible noise should be heard and
the car
should roll freely.
If not, check for power leaving the controller
and activation of the coil driver. The handheld diagnostic tool
will show this on the diagnostic report screen. Check
“E Brake Cur” for .497-.501 Amps. If bad, check the harness
and
then
try a known good
controller. If good, see step 5.
A
B
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