The Volkswagen Sagitar near light Always failure

A mileage of about 62,000 2008 Volkswagen Sagitar cars. car diagnosis tool shop Reflects the owner: car near light lit. Pull up the parking brake beam lights automatically extinguish.

Pick-up: fault 自動車故障診断機 detector to enter the 09 - the electronic central electronic devices into the 011 measured values ​​display group 17 check headlamp opening four states is normal. The headlamp switch is placed in the closed block. The result displayed on the group 17 displayed in the fault detector shown in Figure 1, the group 17 of the first region is displayed as "open". Normal; placed in the display group in the automatic transmission, on the fault detector 17 shows the results of the headlight switch shown in Figure 2, display group 17 shown in area 4 headlight switch placed to "ON", normal; the near light block, the fault detector is displayed on the group 17 of the results shown in Figure 3, the group 17 shown in zone 3 is "ON",OBD2 diagnostic tools normal; the headlight switch is a small lamp stopper. The failure detector group 17 is displayed on the displayed results are shown in Figure 4, display group 17 shown in Zone 2 is "ON", the normal. The above test results indicate that the input signal of the headlamp switch is correct. The vehicle power supply control unit (J519) outputs an abnormality. The analysis considered J519 coding error, according to the encoding rules J519 J519 is the BYTE0 have daytime running lights set (Figure 5), daytime running lights work, is likely to lead to such failure by day between traveling set, pull up the parking brake and turn off the automatic discharge beam lights illuminate.


Check 09 - the electronic Auto Diagnostic Tool centralized electronic device coded 0 bytes long. Found for the "F1", to be changed to "E1", near light automatically turns off. Ask the customer to know yesterday fault navigation service stations in the field have conducted other repairs, analysts believe that the failure may be Car OBD2 Tools supplier fault when navigating incorrect confirmation triggered.