Performing Function Test Of Light Signals At Trailer Coupling Socket - AN31.19-P-8100-06GQX

MODEL 166.0/8 with CODE 460 (Canada version) 

MODEL 166.0/8 with CODE 494 (US version) 

MODEL 166.0/8 with CODE 496 (Mexico version) 

1. Insert connector of the trailer socket tester (1) into trailer socket, 7-pin.
2. Switch on ignition.
3. Switch on left turn signal and check for proper operation.
4. Switch on right turn signal, check for proper operation and switch off.
5. Switch on hazard warning system, check for proper operation and switch off.
6. Simulate failure of left or right turn signal and check doubling of flasher frequency for indicator lamps in instrument cluster.
7. Switch on standing light, check for proper operation and switch off.
8. Engage "R" gear range, check backup lamps for proper operation and engage "P" gear range.
9. Press brake pedal and check brake lamps and electric brake for proper operation.
10. Check constant voltage connection "Circuit 30" for proper operation.
11. Switch off ignition.
12. Disconnect connector of the trailer socket tester (1) from the trailer socket, 7-pin.