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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 256
Section 06 ENGINE MANAGEMENT (SDI)
Subsection 02 (DIAGNOSTIC PROCEDURES)
DIAGNOSTIC PROCEDURES
SERVICE TOOLS
Description Part Number Page
GRAY diagnostic key ............................................................
529 035 896 ......................................... 246
supply harness......................................................................
529 035 869 ......................................... 245
VCK (Vehicle Communication Kit).........................................
529 035 981 ......................................... 245
GENERAL
Here is the basic order suggested to diagnose a suspected engine management or fuel injection related
problem:
– Check the chart in TROUBLESHOOTING section to have an overview of problems and suggested so-
lutions.
– Check if the engine management system (EMS) pilot lamp lights up. If so, use the VCK (Vehicle Com-
munication Kit) and look for fault codes to diagnose the trouble.
– Check all fuses, relay(s), battery and capacitor (on so equipped models).
– Check fuel pressure.
– Check spark plugs condition.
– Check all connections of the wiring harness.
Refer to COMPONENT INSPECTION, REPLACEMENT AND ADJUSTMENT section for procedures.
TROUBLESHOOTING
The following chart is provided to help in diagnosing the probable source of simple troubles.
Monitoring Beeper Coded Signals
CODED SIGNALS POSSIBLE CAUSE REMEDY
2 short beeps (when engine is started).
DESS/RER pilot lamp also blinks.
Confirms that proper
tether cord cap is installed.
Engine can rev above clutch engagement.
No problem detected. Good ride.
1 short beep every 1.5 seconds (when engine
is started). DESS/RER pilot lamp also blinks.
Engine cannot reach pulley engagement
speed. Vehicle cannot be driven.
Bad DESS system connection.
Defective tether cord cap.
Dirt or snow in tether cord cap.
Defective DESS post.
Reinstall tether cord cap correctly over post.
Use another programmed tether cord cap.
Clean tether cord cap.
Replace DESS post.
1longbeeppersecond. Reverse is selected. Vehicle can be driven in reverse.
3 short beeps per second. DESS/RER
pilot lamp also blinks. Engine cannot
reach pulley engagement speed. Vehicle
cannot be driven.
Wrong tether cord cap is installed. Install proper tether cord cap.
Program key into ECM.
3 short beeps per second. Engine
overheating pilot lamp also blinks.
Engine is overheating. Stop engine immediately and allow to
cool. Check cooling system.
mmr2005-080 241
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