--
DIAGNOSTICS
ECD SYSTEM (1ND -- TV)
05 -- 105
COROLLA Supplement (RM1129E)
4 READ VALUE USING I NTELLIGENT TESTER II(COMPENSATO RY INJECTION
VOLUME BETWEEN CYLINDERS FOR I DENTIFYING MALFUNCTIONING CYL -
INDER)
(a) Connect the intelligent tester ll to the DLC3.
(b) Turn the ignition switch to ON and turn the intelligent tester ll ON.
(c) Select the following menu items: Powertrain / Engine and ECT / Data List / Revised Injection Volume
#1, #2, #3 and #4.
(d) Read the v alue.
Standard: The compensatory injection volume is between -- 2.0 mm
3
and 2.0 mm
3
.
HINT:
S
If the injector is malfunctioning, the c ompensatory injection volume remains at -- 5.0 mm
3
or 5.0 mm
3
.
S
The compensatory injection volume is usually between -- 2.0 mm
3
and 2.0 mm
3
.
(e) Any cylinders that have a higher compensatory injection volume than shown above are considered
to be faulty. Use the following steps to inspect and repair the cylinders.
Result:
Result
Proceed To
Faulty cylinder not identified
A
Faulty cylinder identified
B
B
A
5 PERFORM ACTIVE TEST USING I NTELLIGENT TESTER II(INJECTION CUT FOR
IDENTIFYING M ALFUNCTIONING CYLINDER)
(a) Connect the intelligent tester ll to the DLC3.
(b) Start the engine and turn the intelligent tester ll ON.
(c) Select the following menu items: Powertrain / Engine and ECT / Active Test / Injector c ut #1, #2, #3
and #4.
(d) Check the four cylinders in s equence to identify a faulty cylinder by performing the power -- balance in -
spection.
HINT:
If the engine idling remains normal despite cutting off the fuel injection, the cylinder is malfunctioning.
GO
6
CHECK CYLINDER COMPRESSION PRESSURE OF MALFUNCTIONING
(a)
Measure the compression pressure.
Standard (minimum pressure): 2,200 kPa (22.5 kgf/cm
2
, 320 psi)
Standard (difference between each cylinder): 500 kPa (5.0 kgf/cm
2
, 71 psi)
OK: The cylinder compression pressure is within the standard range.
NG
REPAIR OR REPLACE (VALVE SPRING, PISTON
RING AND/OR VALVE TIMING)
OK
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TOYOTA COROLLA REPAIR MANUAL SUPP 1129E