1A-79 Engine General Information and Diagnosis:
P1654-H (Use of SDS)
Step Action Yes No
1 1) Click the data monitor button (1).
2) Check the secondary throttle actuator position sensor
data.
Secondary throttle position approx. 100% and more OK?
Go to Step 2. Go to Step 4.
2 1) Turn the ignition switch OFF.
2) Check the STP sensor coupler for loose or poor
contacts.
If OK, then check the STP sensor lead wire continuity.
Go to Step 4. Y/W wire shorted to
Vcc, or B/Br wire open.
1
I718H1110251-01
I718H1110198-01
I718H1110253-01
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