12030–01
S05454
S05478
S Port
Z Port
S05476
(kPa, mmHg,in.Hg)
V
acuum
Time
Pumping
(3 Times)
10 sec.
A61681
12–22
–
EMISSION CONTROL
EGR SYSTEM (1MZ–FE)
1515
Author:
Date:
2002 CAMRY REPAIR MANUAL (RM881U)
INSPECTION
1.
EGR VALVE ASSY
(a)
Check for sticking and heavy carbon deposits.
If a problem is found, replace the EGR valve.
2.
VACUUM CONTROL VALVE
(a)
Connect the MITYVAC (Hand–Held Vacuum Pump) to
port S of the VCV.
(b)
Plug port Z completely with fingers.
(c)
Perform pumping 3 times and apply vacuum as shown in
the illustration.
(d)
Stop the performing pumping and check the indicated val-
ue of the MITYVAC after about 10 seconds.
Standard value:
15 – 24 kPa (112 – 180 mmHg, 4.4 – 7.1 in.Hg)
If the indicated value is not as specified, replace the VCV.
3.
E.G.R GAS TEMPERATURE SENSOR
(a)
Resistance inspection
(1)
using an ohmmeter, measure the resistance be-
tween the terminals.
Resistance:
At 50
C (122
F)
69.4 – 88.5
Ω
At 100
C (212
F)
11.89 – 14.37
Ω
At 150
C (302
F)
2.79 – 3.59
Ω