1A-77 Engine General Information and Diagnosis:
4
1) Turn the ignition switch OFF.
2) Connect the ECM coupler.
3) Connect the special tool between the STP sensor and its
coupler.
Special tool
(A): 09900–28630 (TP Sensor test lead)
4) Disconnect the STVA lead wire coupler. Refer to “DTC
“C28” (P1655): Secondary Throttle Valve Actuator
(STVA) Malfunction (Page 1A-67)”.
5) Turn the ignition switch ON.
6) Measure the STP sensor output voltage at the coupler
(between the R wire (+) and B wire (–)) by turning the
secondary throttle valve (close and open) with your
finger.
Special tool
(B): 09900–25008 (Multi circuit tester set)
Tester knob indication
Voltage (
)
STP sensor output voltage
Secondary throttle valve is closed: Approx. 0.6 V
Secondary throttle valve is opened: Approx. 4.5 V
((+) terminal: R – (–) terminal: B)
Is the voltage OK?
Replace the ECM with a
new one. Refer to “ECM
Removal and
Installation in Section
1C (Page 1C-1)”.
Replace the STP sensor
with a new one. Refer to
“STP Sensor Removal
and Installation in
Section 1C (Page 1C-
6)”.
Step
Action
Yes
No
(B)
(A)
I944H1110067-01
I705H1110071-01
Содержание SFV650
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