A00203
Close
Open
Battery
Battery
B1
S1
S2 B2
S4
S3
B1
S1
S2 B2
S4
S3
P24670
P24671
DI
−
92
−
DIAGNOSTICS
ENGINE
1996 LAND CRUISER (RM451U)
4
Check operation of the IAC valve .
PREPARATION:
Remove IAC valve (See page
SF
−
51
).
CHECK:
(a)
Connect the positive (+) leak from the battery to terminals
5 (B1) and 2 (B2), and the negative (
−
) lead to terminals
4 (S1),
−
1 (S2),
−
6 (S3),
−
3 (S4) in that order.
(b)
Connect the positive (+) lead from the battery to terminals
5 (B1) and 2 (B2), and the negative (
−
) lead to terminals
3 (S4),
−
6 (S3),
−
1 (S2),
−
4 (S1) in that order.
OK:
(1) The valve moves to close direction.
(2) The valve moves to open direction.
HINT:
The ACTIVE TEST mode of the TOYOTA hand
−
held tester can
be used to change the step of the IAC valve as desired.
NG
Repair or replace IAC valve.
OK
Check and replace ECM (See page
IN
−
28
).
Brought to you by BirfMark
Brought to you by BirfMark
Version 1.00 - 12/21/2010