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– +
ELEC
TPS (THROTTLE POSITION SENSOR) SYSTEM
4. Adjust:
● Idle speed
Refer to “IDLE SPEED ADJUSTMENT”
section in the CHAPTER 3.
5. Insert the thin electric conductors 2
(lead) into the TPS coupler 1, as shown,
and connect the tester to them.
CAUTION:
● Do not insert the electric conductors
more than required because it may
reduce the waterproof function of the
coupler.
● Make sure that a short-circuit does not
develop between the terminals because it
may cause damage to electrical compo-
nents.
6. Start the engine.
Tester (+) lead → Yellow lead 3
Tester (–) lead → Black lead 4
7. Adjust:
● TPS output voltage
Adjustment steps:
Adjust the installation angle of the TPS 1
to obtain the specified output voltage.
NOTE:
Measure the output voltage accurately with a
digital electronic voltmeter that gives an easy
reading of a small voltage.
TPS output
voltage
Tester selector
position
0.58 ~ 0.78 V DCV