ELE. - 30
POSITION SENSOR OF THE THROTTLE BODY UNIT (POTENTIOMETER)
Q
It is situated on the right end of the shaft of the throttle
body unit.
The position sensor of the throttle body unit (potentiometer),
controlled and supplied directly by the ECM, gives out a signal,
which identifies the throttle opening position used by the ECM to
determine fuel dosage and ignition advance (A), Fig. Q.
Disconnect:
•
The electrical coupling.
Check:
•
The resistance using the multitester on symbol Ω between
pin 1 and pin 2.
TOTAL RESISTANCE
2K Ω ± 20%
A
SENSORS
COPY - Moto GB - Grant Martland - grantmartland@motogb.co.uk
Summary of Contents for TRK 502
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