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THROTTLE POSITION SENSOR SYSTEM
THROTTLE POSITION SENSOR SYSTEM
INSPECTION STEPS
If the throttle position sensor will not operate, use the following inspection steps.
*marked: Refer to "IGNITION SYSTEM" section.
Use the following special tools in this inspection.
Check entire ignition system for connec-
tion.
No good →
Repair or replace.
OK ↓
Check throttle position sensor. No good → Replace.
OK ↓
*Check AC magneto. No good → Replace.
OK ↓
Check ECU. (Throttle position sensor
input voltage)
No good →
Replace.
Model 88 Multimeter with tachome-
ter:
YU-A1927
Digital circuit tester:
90890-03174
Test harness-speed sensor (3P):
YU-03208/90890-03208