15-16 ELECTRICAL SYSTEM
CKP SENSOR AND CRANKSHAFT ROTATION
SIGNAL SENSOR RESISTANCE
• Disconnect the magneto lead wire coupler.
• Measure the resistance between the lead wires using the
multi circuit tester. If the resistance is not within the specified
value, replace the stator with a new one.
CKP sensor resistance: 80 – 120 Ω (Red – Green)
Crankshaft rotation signal sensor resistance:
0.1 – 0.8 Ω
(B/R – R/W
)
09900-25008: Multi circuit tester set
Tester knob indication: Resistance (Ω)
ENGINE STOP SWITCH
• Remove the seat, radiator covers and fuel tank.
(5-2, 13-2, -3)
• Disconnect the engine stop switch lead wire coupler 1.
• Measure the engine stop switch resistance between B/Y lead
wire and B/W lead wire.
Engine stop switch resistance:
ON: Under 1
Ω
(B/Y – B/W
)
OFF:
∞
Ω
(
Infinity)
(B/Y – B/W
)
09900-25008: Multi circuit tester set
09900-25009: Needle-point probe set
Tester knob indication: Resistance (Ω)
If the measurement is out of the specification, the cause may lie
in the engine stop switch.
If the measurement is within the specification, check the continu-
ity between the engine stop switch coupler and ECM coupler.
G
R
B/R
R/W
B/Y
B/W
Normally, use the needle-point probe to the backside
of the lead wire coupler to prevent the terminal bend
and terminal alignment.
ECM coupler (Harness side)
B/W
B/Y
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