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Check Connector
Interface
Box
Toyota Break--Out--Box
DIAGNOSTICS
HINT:
(d)
Hand--Held Tester
HINT:
A02443
(e)
Vehicle
Harness
HINT:
N09348
- -
ENGINE (1RZ- -E)
Cancellation can also be done by removing the negative
S
(--) terminal cable from the battery, but in this case, other
memory systems (clock, etc.) will also be cancelled out.
If it is necessary to work on engine components requiring
S
removal of the negative (--) terminal cable from the bat-
tery, a check must first be made to see if a diagnostic
trouble code has been recorded.
(2)
After cancellation, road test the vehicle to check
that a normal code is now read on the check engine
warning light.
If the same diagnostic trouble code(s) appears, it in-
dicates that the trouble area has not been repaired
throughly.
ECU Data Monitor Using Hand--Held Tester
(1)
Hook up the hand--held tester to the check connec-
tor.
(2)
Monitor the ECU data by following the prompts on
the tester screen.
Hand--held tester has a "Snapshot" function which re-
S
cords the monitored data.
Please refer to the hand--held tester operator's manual
S
for further details.
ECU Terminal Values Measurement Using Break--Out--
Box and Hand--Held Tester
(1)
Hook up the break--out--box and hand--held tester
to the vehicle.
(2)
Read the ECU input/output values by following the
prompts on the tester screen.
Hand--held tester has a "Snapshot" function.
S
This records the measured values and is effective in the
diagnosis of intermittent problems.
Please refer to the hand--held tester/break--out--box op-
S
erator's manual for further details.
3RZ-F,3RZ-FE
Pages From Supplement
TO MODEL INDEX
CONTINUED
DI- -7
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