1A-77 Engine General Information and Diagnosis:
P1654-H (Use of SDS)
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Lift and support the fuel tank. Refer to “Fuel Tank
Removal and Installation in Section 1G (Page 1G-9)”.
3) Check the STP sensor coupler (1) for loose or poor
contacts.
If OK, then check the STP sensor lead wire continuity.
4) Disconnect the STP sensor coupler.
5) Check the continuity between the Y/W wire and R wire.
If the sound is not heard from the tester, the circuit
condition is OK.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Continuity ( )
Go to Step 3. Y/W wire shorted to
VCC, or B/Br wire open.
1
I823H1110063-02
(A)
I823H1110064-03
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