Lexus ES300 (1997 year). Manual - part 529
SF06J–02
S04514
Ohmmeter
Continuity
S04513
Ohmmeter
No Continuity
S04515
Air
E
G
S04512
Air
F
E
Battery
SF–50
–
SFI
VSV FOR EXHAUST GAS RECIRCULATION (EGR)
901
1997 LEXUS ES300 (RM511U)
INSPECTION
1.
REMOVE V–BANK COVER, EMISSION CONTROL
VALVE SET AND HIGH–TENSION CORD COVER
2.
REMOVE VSV
(a)
Disconnect the 3 vacuum hoses from the VSV.
(b)
Remove the screw and VSV.
3.
INSPECT VSV FOR OPEN CIRCUIT
Using an ohmmeter, check that there is continuity between the
terminals.
Resistance: 27 – 33
Ω
at 20
°
C (68
°
F)
If there is no continuity, replace the VSV.
4.
INSPECT VSV FOR GROUND
Using an ohmmeter, check that there is no continuity between
each terminal and the body.
If there is continuity, replace the VSV.
5.
INSPECT VSV OPERATION
(a)
Check that air flows from port E to port G.
(b)
Apply battery voltage across the terminals.
(c)
Check that air flows from port E to port F.
If operation is not as specified, replace the VSV.
6.
REINSTALL VSV
(a)
Install the VSV with the screw.
(b)
Connect the 3 vacuum hoses to the VSV.
7.
REINSTALL EMISSION CONTROL VALVE SET
8.
REINSTALL HIGH–TENSION CORD COVER
9.
REINSTALL V–BANK COVER