Lexus ES300 (1997 year). Manual - part 533
S05625
5 mm
Hexagon
Wrench
Clip
SF071–06
S05456
LEXUS
Hand–Held Tester
S04535
Sound Scope
SF–66
–
SFI
FUEL CUT RPM
917
1997 LEXUS ES300 (RM511U)
FUEL CUT RPM
INSPECTION
1.
REMOVE V–BANK COVER
(a)
Using a 5 mm hexagon wrench, remove the 2 cap nuts.
(b)
Disconnect the 2 clips, and remove the V–bank cover.
2.
WARM UP ENGINE
Allow the engine to warm up to normal operating temperature.
3.
CONNECT LEXUS HAND–HELD TESTER OR OBDII
SCAN TOOL
(a)
Connect the LEXUS hand–held tester or OBDII scan tool
to the DLC3.
(b)
Please refer to the LEXUS hand–held tester or OBDII
scan tool operator’s manual for further details.
4.
INSPECT FUEL CUT OFF PRM
(a)
Increase the engine speed to at least 3,500 rpm.
(b)
Use a sound scope to check for injector operating noise.
(c)
Check that when the throttle lever is released, injector op-
eration noise stops momentarily and then resumes.
HINT:
Measure with the A/C OFF.
Fuel return rpm: 1,200 rpm
5.
DISCONNECT LEXUS HAND–HELD TESTER OR
OBDII SCAN TOOL
6.
REINSTALL V–BANK COVER
HINT:
For fixing the V–bank cover, push on the cover until a ”click” is
felt.