Egr Valve Assy; Vacuum Control Valve; E.g.r. Gas Temperature Sensor - Toyota 2002 Camry Service Manual

12–22
INSPECTION
Z Port
(kPa, mmHg,in.Hg)
Pumping
(3 Times)
2002 CAMRY REPAIR MANUAL (RM881U)
EMISSION CONTROL
1.
(a)
If a problem is found, replace the EGR valve.
S05454
2.
(a)
(b)
S Port
S05478
(c)
(d)
If the indicated value is not as specified, replace the VCV.
Time
10 sec.
S05476
3.
(a)
A61681
– EGR SYSTEM (1MZ–FE)

EGR VALVE ASSY

Check for sticking and heavy carbon deposits.

VACUUM CONTROL VALVE

Connect the MITYVAC (Hand–Held Vacuum Pump) to
port S of the VCV.
Plug port Z completely with fingers.
Perform pumping 3 times and apply vacuum as shown in
the illustration.
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)
E.G.R GAS TEMPERATURE SENSOR
Resistance inspection
(1) using an ohmmeter, measure the resistance be-
tween the terminals.
Resistance:
At 50_C (122_F)
At 100_C (212_F)
At 150_C (302_F)
Author :
12030–01
69.4 – 88.5 Ω
11.89 – 14.37 Ω
2.79 – 3.59 Ω
Date :
1515