VL800/C/TK9 (’09-MODEL) 18-51
STP SENSOR ADJUSTMENT
If the STP sensor adjustment is necessary, measure the sensor
out put voltage and adjust the STP sensor position as follows:
• Remove the fuel tank. ( Page 14-93)
• Disconnect the STVA coupler 1.
• Loosen the clamp screw and move the air cleaner outlet tube
upward.
• Insert the needle pointed probes to the lead wire coupler.
• Turn the ignition switch ON.
• Close the secondary throttle valve by finger, and measure the
STP sensor out put voltage.
STP sensor out put voltage
ST valve is fully closed: Approx. 0.5 V
(+ Y/W – - B/Br)
09900-25008: Multi-circuit tester set
09900-25009: Needle pointed probe set
Tester knob indication: Voltage ()
• If the STP sensor voltage is out of specification, loosen the
throttle body clamp screw at the intake pipe side.
(Page 18-41)
• Move the throttle body upward.
• Loosen the STP sensor mounting screw and adjust the STP
sensor voltage to speci ication.
09930-11950 Torx wrench
STP sensor mounting screw:
3.5 N·m (0.35 kgf-m, 2.5 lbf-ft)
V
B/BrB/Br
Y/WY/W
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