EC03P--01
A01735
Cap
Filter
A01736
Vacuum Gauge
P22300
Hand--Held Tester
DLC3
--
EMISSION CONTROL
EXHAUST GAS RECIRCULATION (EGR) SYSTEM
(2RZ--FE)
EC--7
EXHAUST GAS RECIRCULAT ION
(EGR) SYSTEM (2RZ -- FE)
INSPECTION
1. INSPECT AND CLEAN FILTER IN EGR VACUUM
MO DULATO R
(a)
Remove the cap and filter.
(b)
Check the filter for contamination or damage.
(c)
Using compressed air, clean the filter.
(d)
Reinstall the filter and cap.
HINT:
Install the filter with the coarser surface facing the atmospheric
side (outward).
2 . I NS TALL VACUUM G AUG E
Using a 3 -- way connector, connect a vacuum gauge to the hose
between the EGR valve and EGR vacuum modulator.
3. INSPECT SEATING OF EGR VALVE
Start the engine and check that the engine starts and runs at
idle.
4 . CO NNE CT HAND -- HE LD TE S T E R.
(a)
Connect the hand--held tester to the DLC3.
(b)
Please refer to the hand--held tester operators manual for
further details.
5. INSPECT VSV OPERATION WITH COLD ENGINE
(a)
The engine coolant temperature should be below
50
˚
C (122
˚
F).
(b)
Check that the vacuum gauge indicates zero at 3,000
rpm.
(c)
Check that the EGR pipe is not hot.
6. INSPECT OPERATION OF VSV AND EGR VACUUM
MO DULATO R
(a)
Select the active test mode on the hand--held tester (VSV
is closed.).
CLICK HERE TO VIEW CHAPTER INDEX
Pages From Supplement
3RZ-F,3RZ-FE