Toyota T100 1996 Service Manual page 1059

SF−40
DLC1
TE1 E1
Air Assist Hose
1996 TOYOTA T100 (RM449U)
SFI (5VZ−FE)
(b)
SST
(c)
(d)
P19970
(e)
(f)
Disconnect
(g)
Plug
(h)
P21055
− IDLE AIR CONTROL (IAC) VALVE
Using SST, connect terminals TE1 and E1 of the
DLC1.
SST 09843−18020
After engine speed is kept at 900 − 1,300 rpm for 10 se-
conds, check that it returns to idle speed.
Stop the engine.
Disconnect the air assist hose from the IAC valve, and
plug it.
Start the engine and check that the idle speed reaches
500 rpm or below (the engine may stall).
If the idle does not reach 500 rpm or below, check for a
leak between the air assist hoses, pipe and injectors.
Remove the SST from the DLC1.
SST 09843−18020
Reconnect the air assist hose to the IAC valve.
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