Anti-theft alarm (ATA) test of electrical system trailer monitor

AD80.50-D-6000-30A

Anti-theft alarm (ATA) test of electrical system trailer monitor





Scope of test

Measuring instrument/

Test connection

Operation/Requirement

Specified value

 Possible cause/Remedy

1.0

Trailer monitor



Ignition: ON

Actual value 07

Trailer not connected

Trailer connected

Not activated

Activated

 Control module

 Cable

 Diodes

1.1

2

A18

9 





1

A23

 8

Ignition: OFF

ATA control module and auxiliary turn signal module II disconnected

Remove diode V9 and install bridge

< 5Ω

 Cable

If in order:

 Diode

1.2

2

A18

9 





1

A23

 14

Ignition: OFF

ATA control module and auxiliary turn signal module II disconnected

Remove diode V10 and install bridge

< 5Ω

 Cable

If in order:

 Diode