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DIAGNOSTICS
ECD SYSTEM (1ND--TV)
COROLLA Supplement (RM1129E)
2.
ACTIVE TEST
HINT:
Performing an Active Test enables components including the relays, VSV (Vacuum Switching Valve), and
actuators, to be operated without removing any parts. The Active Test can be performed with an intelligent
tester ll. Active Test as a first step of troubleshooting is one method of shortening diagnostic time.
The Data List can be displayed during Active Tests.
(a)
Connect an intelligent tester II to the DLC3.
(b)
Turn the ignition switch to ON.
(c)
Turn the tester ON.
(d)
Select the following menu items: Powertrain / Engine and ECT / Active Test.
(e)
Perform the Active Tests by referring to the following table.
Intelligent Tester II Display
(Abbreviation)
Test Details
Control Range
Diagnostic Notes
Fuel leak test
(FUEL LEAK TEST)
Pressurize common rail internal
fuel pressure, in order to see if fuel
leaks
ON/OFF
S
Fuel pressure inside common rail
pressurized to 135 MPa and en-
gine speed increased to 2,000
rpm when ON selected
S
Above conditions preserved
while test ON
Injector cut #1
(INJECTOR CUT #1)
Cut off fuel injection from No. 1 in-
jector
ON/OFF
Fuel injection stopped while test
ON
Injector cut #2
(INJECTOR CUT #2)
Cut off fuel injection from No. 2 in-
jector
ON/OFF
As above
Injector cut #3
(INJECTOR CUT #3)
Cut off fuel injection from No. 3 in-
jector
ON/OFF
As above
Injector cut #4
(INJECTOR CUT #4)
Cut off fuel injection from No. 4 in-
jector
ON/OFF
As above
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E