FUEL SYSTEM AND THROTTLE BODY 6-21
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 air cleaner box. (6-13)
• Disconnect the STVA coupler. (6-13)
• 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
STP sensor mounting screw and adjust the STP sensor volt-
age to specification.
• Tighten the STP sensor mounting screw.
09930-11950: Torx wrench
STP sensor mounting screw:
3.5 N·m (0.35 kgf-m, 2.5 lb-ft)
FUEL INJECTOR REMOVAL
• Remove the fuel tank. (6-3)
• Remove the air intake pipe. (2-7)
• With battery negative cable disconnected, disconnect the
injector couplers.
• Remove the fuel delivery pipes. (6-15)
• Remove the fuel injectors #1 and #2. (6-15)
FUEL INJECTOR INSPECTION
Check fuel injector filter for evidence of dirt and contamination. If
present, clean and check for presence of dirt in the fuel lines and
fuel tank.
The fuel injector can be checked without removing it from the
throttle body.
Refer to page 5-66 for details.
V
B/BrB/Br
Y/W
Y/W
SAMPLE
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