2005 Ski-Doo Tundra, Skandic, Expedition Shop Manual, Page 67Get this manual
Section 02 TROUBLESHOOTING GUIDE Subsection 05 (ELECTRICAL SYSTEM)
Symptom: RER (ROTAX ELECTRONIC REVERSE) DOES NOT WORK1Check idle speed- Wrong idle speedAdjust according to specification (refer to TECHNICAL DATA)2Check spark plug- Faulty spark plugReplace3Check drive belt deflection- Wrong deflectionAdjust according to specification (refer to TECHNICAL DATA)4Check carburetor synchronization and air screw adjustment- Wrong adjustmentAdjust according to specification (refer to TECHNICAL DATA) and read carburetor subsection5Check electrical connections- Bad electrical connections or damaged wiresClean or replace6Check MPEM- Faulty MPEMReplace
Symptom: RER (ROTAX ELECTRONIC REVERSE) DOES NOT WORK (AT HIGH ALTITUDE)1Check high altitude cap continuity- Broken jumper inside high altitude capReplace high altitude cap
Symptom: HEADLAMP NOT LIGHTING (WHITE BULB)1Check bulb- Gas leakReplace bulb
Symptom: HEADLAMP NOT LIGHTING (BROKEN ELEMENT)1Check for loose headlamp housing and bulb socket- Vibration problemTighten headlamp mounting screwsLock bulb in socketReplace bulb