b"withothercommunicationnetworksonavehicle,ming, the headlamps were turned on, and the right PDNLQJ\x03 LW\x03 D\x03 UHOLDEOH\x03 DQG\x03 FRVW\x10HHFWLYH\x03 RSWLRQ\x03 IRU\x03 headlamp shone brightly. VIGORlower-priorityelectronicsystemslikewindows,$IWHU\x03 D\x03 QDO\x03 URDG\x03 WHVW\x0f\x03 WKH\x03 ELOO\x03 ZDV\x03 SDLG\x0f\x03 DQG\x03 WKH\x03DENT REMOVAL climate control, wipers, and headlamps. TOOLwagon was released back to its owner. A disclaimer Practical one-hand leverThe LIN bus physical layer uses 0 and 12 volts forregarding the CEM was attached to the invoice; if any operation. thedominantandrecessivestates,respectively.electrical issues returned, a new Central Electronics V5531 $21.27 Remember that these voltages are approximations;Module would need to be installed and programmed.theVolvohad900millivoltsonthedominant/ Ultimately, two coolant leaks were repaired, the CEM lowsideandsystemvoltageontherecessive/ was cleaned, and the right-side Gas Lamp Discharge highside.Thesedominantandrecessivevoltagesmodule was replaced and programmed. In addition, correspond to the computer logic signals 1 and 0.the sunroof drains were cleared of debris, the ground The microprocessors on the LIN bus interpret thewires were cleaned and retightened, the wiring for recessive 12 volts as a logic 1 and the dominant 0theaftermarketspeakerswasremoved,andthe volts as a logic 0.holes in the door jambs were sealed with silicone. VIGORByunpluggingnodes(modules)andmonitoringUnfortunately, it turned out to be an expensive lesson MAGNETIC PARTS TRAY . theLINbusdatapackets,onecandeterminefor the owner to have not had a comprehensive pre-V5677 $15.23 which frames correspond to which controllers. Forpurchase inspection before buying a used car. Still, example, here are two Picoscope waveforms from thethe issues were successfully repaired, and the V50 9\x18\x13V\x03/,1\x03EXV\x1e\x03WKH\x03UVW\x03ZLWK\x03WKH\x03ULJKW\x03*DV\x03'LVFKDUJH\x03 was ready for daily driving. |Lampmoduledisconnectedand the second with it plugged back in. Withtheheadlampmodule unplugged,theframeBF3Fhas nodatainputaftertheheader. However,whenthatnodeis reconnected,dataispresent.So, WKH\x03 3URWHFWHG\x03 ,GHQWLHU\x12)UDPH\x03,GHQWLHU\x03 IRU\x03 WKH\x03 ULJKW\x10VLGH\x03 *DV\x03Discharge Lamp module is BF 3F. VIGOR MULTI PURPOSE DRAIN PAN By analyzing the LIN bus data, it With permanent magnet, telescopic Suitable for \x1fuid changes and cleaningis clear that the bus is functioning parts. Made of polyethylene. 50 liter capacity. 800 mm width, 520 mm long,correctly,andtherightGDL 100 mm height. moduleisrespondingtodata V5488$75.57 requestsfromtheLINmaster module, which in this case, is theRight GDL Module UnpluggedCentral Electronics Module.This level of LIN bus interrogation, decodingdatapackets,was VIGORarguably unnecessary to diagnose BRAKE CALIPERthis Volvo, but it is thebest way PISTON TOOL SETto understand LIN bus operation For damage free resettingof brake caliper pistons. fully.Takingextratimetodig Includes: deeper into a universal system like (2) spindles(2) angle keys the LIN bus will pay dividends for (2) pin punches future repairs.(3) interchangeable retaining plates (36) retaining plates and adapter 7KH\x03 WHVWLQJ\x03 FRQUPHG\x03 WKH\x03 IDXOWV\x03(4) brake screw connection inserts(1) spindle grease. codes,indicatingafaultyright-V3760N $218.96 sideGasDischargeLampMod-ule.Theheadlampmodulewas orderedandinstalledthe followingday.Afterprogram- Right GDL Module Plugged In29 8"