Actron CP9087 Service Manual page 21

THROTTLE POSITION Sensor/Switch
HIGH
LOW
7) Set RANGE switch to HIGH.
POWER OFF
RANGE
8) Set FUNCTION switch to OHMS.
VOLTS
OHMS
9) Operate sensor - Watch TEST light for results.
FREQUENCY
FUNCTION
TEST
On-Car test: Slowly move throttle linkage back and forth
from idle to wide open position.
Off-Car test: Slowly rotate sensor element back and forth
from end to end.
• Good Switch - TEST light switches between
TEST
being ON at top of column and OFF
• Bad Switch - TEST light always ON at top of
column or always OFF.
10) Testing is complete.
Set RANGE switch to POWER OFF and
remove all test leads.
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