MAC TOOLS ET9107 Manual De Instrucciones página 6

NOTE: The Ground Integrity Light will only illuminate when a circuit is completed. In other words, if you are
only testing left or right directional circuits you may notice the Ground Integrity Light flashing in sequence with
the directional. This is normal and expected.
CIRCUIT FAULT TROUBLESHOOTING
When a circuit fault has been detected, the #ET9107 can monitor individual circuits while troubleshooting
and repairing the vehicle.
Circuit
Electric Brake
Turn Signals
Brake Lights
Tail/Tag Lights
Reverse Lights
12V Auxiliary
Trailer Not Detected
6
6
Type of Fault
No power indication when energized
Low current output or intermittent
No power indication when energized
One or both stay on with no blink
Intermittent or erratic illumination
No power indication when energized
Intermittent or erratic illumination
No power indication when energized
Intermittent or erratic illumination
No power indication when energized
Intermittent or erratic illumination
No power indication when energized Check for wiring, fuse or connection
Intermittent or erratic output
Vehicle does not recognize the
Brake Force Meter as a trailer
Diagnostic Procedure
Check for faulty connection, fuse,
wiring fault or controller gain too low
Check for faulty connection or
controller gain too low
Check for faulty connection or
controller gain too low
Check for faulty connection, fuse or
defective flasher
Check for faulty connections for
wiring fault
Check for wiring fault, turn signal
operation or fuse if turn signals are
also dead
Check for wiring, fuse or connection
faults
faults
Check Start-Up Procedure
For 2016 and 2017 Ford models -
follow Alternative Set-Up Procedure
If you suspect your vehicle is not
compatible with this tool contact
your MAC Tools distributor at
1-800-MACTOOLS for available updates
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