Section 02
TROUBLESHOOTING
Sub-Section 05
(ELECTRICAL SYSTEM)
02-05-7
SYMPTOM
ENGINE IS MISFIRING – ERRATIC SPARK AT SPARK PLUG.
CONDITION
RIDING ON WET SNOW.
Test / Inspection
1. Verify if spark plug wires and / or spark plug cap seals are sealing-out moisture.
a. Defective wires and / or seals.
Replace defective part.
2. Verify if ignition system wiring harness connectors are in good condition and /
or are sealing-out moisture.
a. Loose connectors, corroded terminals or defective parts.
Clean terminals and apply silicone dielectric grease. Replace defective parts.
CONDITION
NORMAL USE.
Test / Inspection
1. Verify misfiring by observing flash of stroboscopic timing light ; unplug connec-
tors between magneto / generator and vehicle wiring harness to isolate prob-
lem. Check condition of connectors.
a. Defective spark plug and / or cables / caps. Defective electrical system wiring har-
ness and / or accessories and / ignition cut-out switches. Condition of connector
terminals.
Replace defective parts and / or repair damaged wires. Replace defective
switch(es). Clean terminals and apply silicone dielectric grease.
CONDITION
RIDING IN DEEP AND THICK SNOW.
Test / Inspection
1. Perform all verifications outlined under “Engine does not start – no spark at
spark plug”.
2. Verify spark plug(s). Proceed with spark plug analysis in order to identify source
of problem.
a. Defective and / or worn spark plug(s) and / or cable(s) and / or cap(s).
Replace defective part(s). Proceed with ignition system testing procedures. Per-
form engine analysis.
Summary of Contents for FORMULA S 1997
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Page 284: ...TUNDRA II LT ANNEX 1 mmr9737a fm5 Page 2 Thursday May 8 1997 4 37 PM...
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Page 287: ...FORMULA S SL SKANDIC 380 500 ANNEX 2 mmr9737a fm5 Page 4 Thursday May 8 1997 4 37 PM...
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Page 290: ...TOURING E E LT TOURING LE SLE ANNEX 3 mmr9737a fm5 Page 6 Thursday May 8 1997 4 37 PM...
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Page 639: ...ANNEX 7...
Page 640: ...ANNEX 7...
Page 641: ...SKANDIC WT LC ANNEX 8...
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Page 645: ...I 1997 Shop Manual VOLUME 3 FORMULA III III LT MACH 1 Z Z LT...
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Page 863: ...I 7 1997 Shop Manual Supplement GRAND TOURING SE...
Page 896: ...08 2 Section 08 WIRING DIAGRAM GAUGES A06H2YA...
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Page 910: ...SHOP MANUAL SUPPLEMENT MX Zx 440 LC PAGE 5 OF 18 LIQUID COOLING SYSTEM A15C2IS 1 2 PARTS...
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