iPA 9107A - Diagnostic Procedure

6
Circuit Type of Fault Diagnostic Procedure
Electric
Brake
No indication when energized
Check for faulty connection, fuse,
wiring fault or controller gain too low.
Low current output or intermittent
Check for faulty connection or
controller gain too low.
Tur n
Signals
No power indication when
energized
Check for faulty connection or
controller gain too low.
One or both stay on with no blink
Check for faulty connection, fuse
or defective asher.
Intermittent or erratic
illumination
Check for faulty connections for
wiring fault.
Brake
Lights
No power indication when
energized
Check for wiring fault, turn signal
operation or fuse if turn signals are
also dead.
Intermittent or erratic
illumination
Check for wiring, fuse or
connection faults.
Tail/Tag
Lights
No power indication when
energized
Intermittent or erratic
illumination
SET-UP
1. With meter disconnected from cable, plug 7-way connector to back of vehicle.
2. Bring other end of cable and tester into driver's compartment, leaving
tester disconnected.
3. Set Emergency Brake.
4. Turn Vehicle Engine ON and let idle.
5. KEEP FOOT OFF BRAKE. ONLY AFTER engine is running, plug the 9-pin
connector to the socket of the tester and lightly tighten the thumb screws.
6. Verify 12V circuit is powered or turn on Tail/Tag Circuit.
7. Wait for yellow ECU detection light to stop blinking.
8. For vehicles equipped with integrated controllers, look for the words
"Trailer Connected" on your instrument panel and the ECU Detection
light to remain steady within a few seconds of connecting the #9107A
to a vehicle with engine running.
9. Set-up is now complete.