Throttle Body - Toyota 1996 LAND CRUISER User Manual

SF−42
1996 LAND CRUISER (RM451U)
Brought to you by BirfMark
SFI −

THROTTLE BODY

THROTTLE BODY
ON−VEHICLE INSPECTION
1. INSPECT THROTTLE BODY
(a) Check that the throttle linkage moves smoothly.
(b) Check the vacuum at each port.
Start the engine.
S
Check the vacuum with your finger.
S
Port name
P
E
R
2. INSPECT THROTTLE POSITION (TP) SENSOR
(a) Disconnect the TP sensor connector.
(b) Apply vacuum to the throttle opener.
(c) Using an ohmmeter, measure the resistance between
each terminal.
Throttle valve
condition
Fully closed
Fully closed
Open
Fully open
−
(d) Reconnect the TP sensor connector.
3. INSPECT AND ADJUST DASHPOT
(a) Allow the engine to warm up to normal operating tempera-
ture.
(b) Check the idle speed.
Idle speed: 650 ± 50 rpm (N position)
(c) Open the throttle valve until the throttle lever separates
from the dashpot end.
(d) Release the throttle valve gradually, and check the dash-
pot setting speed when the throttle lever touched the
dashpot end.
Dashpot setting speed: 2,200 ± 300 rpm
Author :
Brought to you by BirfMark
Version 1.00 - 12/21/2010
At idle At 3,500 rpm
No vacuum Vacuum
No vacuum Vacuum
No vacuum Vacuum
Between
Resistance
terminals
VTA − E2 0.2 − 5.7 kΩ
IDL − E2 2.3 kΩ or less
IDL − E2 Infinity
VTA − E2 2.0 − 10.2 kΩ
VC − E2 2.5 − 5.9 kΩ
Date :
SF1EU−01
670