Engine General Information and Diagnosis: 1A-74
Step Action Yes No
1 1) Remove the regulator/rectifier. Refer to “Regulator /
Rectifier Construction in Section 1J (Page 1J-8)”.
2) Check the STVA lead wire coupler for loose or poor
contacts.
3) Move the air cleaner backward. Refer to “Air Cleaner
Element Removal and Installation in Section 1D
(Page 1D-6)”.
4) Turn the ignition switch ON to check the STV operation.
(STVA operating order: Full open → 15% open)
Is the operating OK?
Go to Step 2. • Loose or poor
contacts on the
coupler.
• Open or short circuit
in the B/Lg, P/W, W/B
or G wire.
• If wire and
connection are OK,
go to Step 2.
I718H1110191-01
I705H1110063-01
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