SF0Y0−06
−
SFI FUEL PRESSURE REGULATOR
SF−21
1996 LAND CRUISER (RM451U)
REMOVAL
1. DISCONNECT VACUUM SENSING HOSE FROM FUEL
PRESSURE REGULATOR
2. DISCONNECT FUEL RETURN HOSE FROM FUEL PRESSURE REGULATOR
CAUTION:
Put a shop towel under the pressure regulator.
3. REMOVE FUEL PRESSURE REGULATOR
(a) Loosen the lock nut, and remove the pressure regulator.
(b) Remove the O−ring from the pressure regulator.
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Brought to you by BirfMark
Version 1.11 - 03/16/2010
SF1F2−01
SF−52
−
SFI IDLE AIR CONTROL (IAC) VALVE
1996 LAND CRUISER (RM451U)
INSPECTION
INSPECT IDLE AIR CONTROL VALVE OPERATION
(a) Apply battery voltage to terminals B1 and B2, and while repeatedly grounding S1 −S2−S3−S4−S1 in sequence,
and check that the valve moves toward the closed posi-
tion.
(b) Apply battery voltage to terminals B1 and B2, and while repeatedly grounding S4 −S3−S2−S1−S4 in sequence,
and check that the valve moves toward the open position.
If operation is not as specified, replace the IAC valve.
Brought to you by BirfMark
Brought to you by BirfMark
Version 1.11 - 03/16/2010
