FI0294
0.25 sec.
0.25 sec.
OFF OFF OFF
ON
ON ON ON
BR3589
OFF
ON
Start
0.5 sec.
One Cycle
Repeat
4.5 sec.
2.5
sec.
4.5 sec.
1.5 sec.
0.5 sec.
DI--78
--
DIAGNOSTICS
ENGINE (2RZ--FE, 3RZ--FE)
(3)
Read the DTC from the check engine warning light
(CHK ENG).
(4)
As an example, the blinking patterns for codes, nor-
mal, 12 and 31 are as shown on the illustration.
(5)
Check the details of the malfunction using the DTC
chart on page.
(6)
After completing the check, disconnect terminals 13
(TC) and 4 (CG) and turn off the display.
HINT:
In the event of 2 or more malfunction cords, indication will begin
from the smaller numbered cord and continue in order to the
larger.
NOTICE:
When simulatiing symptoms without a hand--held tester to
check the DTCs, use normal mode. For codes on the DTCs,
chart subject to ”2 trip detection logic”, turn the ignition
switch OFF after the symptom is simulated the first time.
Then repeat the simulation process again. When the prob-
lem has been simulated twice, the check engine warning
light Iights up and the DTCs, are recorded in the ECU
3. INSPECT DIAGNOSIS (Check (Test) Mode)
Hand--held tester only:
Compared to the normal mode, the check mode has an in-
creased sensitivity to detect malfunctions.
Furthermore, the same diagnostic items which are detected in
the normal mode can also be detected in the check (test) mode.
(a)
Check the DTC.
(1)
Initial conditions
S
Battery positive voltage 11V or more.
S
Throttle valve fully closed.
S
Transmission in ”P” or ”N” position.
S
Air conditioning switched OFF.
(2)
Turn ignition switch OFF.
(3)
Prepare the hand--held tester.
(4)
Connect the hand--held tester to DLC3 on the at the
lower left of the instrument panel.
(5)
Turn the ignition switch ON and switch the push the
hand--held tester ON.
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Pages From Supplement
3RZ-F,3RZ-FE