Toyota 3S-GE Repair Manual page 275

EG-261
_ ENGINE — EFI SYSTEM
O T T O 3
I SC
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ISC VALVE INSPECTION
INSPECT ISC VALVE OPERATION
(a) Connect the positive (+) lead from the battery to
terminal +B and negative (—) lead to terminal RSC,
and check that the valve is closed.
(b) Connect the positive (+) lead from the battery to
terminal +8 and negative (—) lead to terminal RSO,
and check that the valve is open.
If operation is not as specified, replace the ISC valve.
ISC VALVE INSTALLATION """'°'
(See Components for Removaland Installation)
[J K 1. INSTALL ISC VALVE
(a) Place a new gasket on the throttle body.
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(b) lnstall the ISC valve with the 4 screws.
2. INSTALL THROTTLE BODY
(See steps 1 to 6 on page EG—256 and EG—257)