Egr System (1Mz-Fe) On-Vehicle Inspection; Inspect Egr Valve Position Sensor - Toyota 2002 Camry Service Manual

EGR SYSTEM (1MZ–FE)
ON–VEHICLE INSPECTION
Disconnect
Ohmmeter
Disconnect
E2(–) EGLS(+)
2002 CAMRY REPAIR MANUAL (RM881U)
EMISSION CONTROL
1.
(a)
Ohmmeter
VC
If the resistance is not as specified, replace the EGR valve posi-
tion sensor.
E2
A59589
(b)
VC(+)
E2(–)
A59590
If the voltage is not as specified, replace the EGR valve position
sensor.
A59591
– EGR SYSTEM (1MZ–FE)

INSPECT EGR VALVE POSITION SENSOR

Inspect the resistance of the EGR valve position sensor.
(1) Disconnect the EGR valve position sensor connec-
tor.
(2) Using an ohmmeter, measure the resistance be-
tween the terminals VC and E2.
Resistance: 1.5 – 4.3 kΩ
(3) Reconnect the EGR valve position sensor connec-
tor.
Inspect the power output voltage of the EGR valve posi-
tion sensor.
(1) Disconnect the vacuum hose from the EGR valve.
(2) Turn the ignition switch ON.
(3) Connect a voltmeter to terminals VC and E2 of the
ECM, and measure the power source voltage.
Voltage: 4.5 – 5.5V
(4) Connect a voltmeter to terminals EGLS and E2 of
the ECM, and measure the power outlet voltage un-
der the following conditions.
S
Using the MITYVAC (Hand–Held Vacuum
Pump), apply a vacuum (17.3 kPa,
130mmHg, 5.1 in.Hg) to the EGR valve.
Voltage: 3.2 – 5.1 V
S
Release the vacuum from the EGR valve.
Voltage: 0.4 – 1.6 V
(5) Reconnect the vacuum hose to the EGR valve.
Author :
12–21
1202Z–01
Date :
1514