MF-36 TOYOTA TERCEL 1996 Service Repair Manual

DI-80
- DIAGNOSTICSENGINE
1996 TERCEL (RM440U)
Check for open and short in harness and connector between junction connector and IAC valve,
IAC valve and ECM (See page IN-26).
5 Check operation of IAC valve (See page MF-36).
NG Repair or replace IAC valve.
OK
Check and replace ECM (See page IN-26).

SF19A-01
Z14697
RSC
+B
Battery
Closed
Z14698
RSO +B
Battery
Open MF-36
- MFIIDLE AIR CONTROL (IAC) VALVE
1996 TERCEL (RM440U)
INSPECTION
INSPECT IAC VALVE OPERATION
(a) Connect the positive (+) lead form 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
+B and negative (-) lead to terminal RSO, and check that
the valve is open.
If operation is not as specified, replace the IAC valve.