Coding
CARSYSTEMS.COM.UA
Revision–4. 19 March 2021
Coding result
Cause
Solution
Left headlight
Right headlight
PXL
module
HLI
module
PXL
module
HLI
module
OK
OK
ERROR ERROR One of the
headlight’s 2 PIN
CAN bus connectors
(F) is not identified
correctly and is still
connected to the
CAN Distributor
Turn ignition on and remove one by one 2 PIN CAN bus connectors
from the CAN Distributor, when the headlight connector is
disconnected from the CAN Distributor the corresponding
headlight starts to illuminate in limp-home mode. When missing
headlight 2 PINs CAN bus connector identified, connect it to (D)
dual connector.
ERROR ERROR
OK
OK
ERROR
OK
ERROR
OK
Lack wiring for
MULTIBEAM LED
headlights
Check what headlights type were installed on the car. You can
check with a voltmeter if there are four 12V power supplies and
two GND on each headlight connector. Specifically, pins 3, 4,
7, 9 must be 12V power supplies, and pins 5, 10 must be GND.
If the pinout doesn’t match add the appropriate wiring for the
MULTIBEAM LED headlights.
OBD cable and
headlight 2 PINs
CAN bus connector
connected to the
CAN Distributor
Check if OBD cable and either of headlight 2 PINs CAN bus
connectors (F) connected to the CAN Distributor. Disconnect
them. Connect headlight 2 PINs CAN bus connector (F) to the dual
connector (D).
OK
ERROR ERROR
OK
Blown Fuse
Check the voltage on the pins of the right headlight and left
headlight connectors. Pins 3, 4, 7, 9 must be 12V power supplies,
and pins 5, 10 must be GND. If the voltage doesn’t match replace
a blown fuse.
ERROR
OK
OK
ERROR
OK
ERROR
OK
OK
Headlamp side
detection overflow
Do the HLI side detection counter reset. Disconnect headlights
connectors from the car for 30 seconds.
OK
OK
OK
ERROR
Table 2 Troubleshooting
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