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3-68 FUEL SYSTEM (DFI)
Subthrottle Valve Actuator (Service Code 62)
Input Voltage Inspection
NOTE
○
Be sure the battery is fully charged.
•
Turn the i gnition switch OFF.
•
Remove the t hrottle body assy (see Throttle Body Assy
Removal).
•
Connect the peak voltage adapter [A] and a digital meter
[B] to the connector [C], using the needle adapter set [D].
Recommended Tool - Peak Voltage Adapter
Type: KEK-54–9–B
Brand: KOWA SEIKI
Speci
al Tool -
Needl
e Adapter Set: 57001–1457
Subthrottle Valve Actuator Input Voltage
Connections to Harness Connector
(I) Meter (+) → BK/BL lead [1]
Meter (–) → P/BL lead [2]
(II) Meter (+) → Glead[3]
Meter (–) → W/BL lead [4]
•
Measure the actuator input voltage with the engine
stopped, and with the connector joined.
•
Turn the ignition switch ON.
Input Voltage at Actuator
Standard: about 8.5 ∼ 10.5 V DC
If the r eading is within the standard but the actuator
doesn’t operate, replace it.
If the reading is out of the range, check the wiring to ECU
(see wiring diagram in this section).
If the wiring is good, check the ECU for its ground and
power supply (see ECU section).
A. ECU L. Subthrottle Valve Actuator
J. Subthrottle Sensor m. Throttle Body Assy Connector