Toyota ZZT230 series Repair Manual page 219

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01-8
5. CHECK FOR I N TERMI TT ENT PROBLEMS
TOYOTA HAND-HELD TESTER only:
By putting the vehicle's ECM in check mode,
and sensitivity to detect open circuits is increased. This makes it easier to detect intermittent problems.
Clear the DTC.
(1)
(2)
Set the check mode.
Perform a simulation test (See page IN-20).
(3)
Check the connector and terminal (See page
( 4)
(5 )
BASI C I N SPECTI O N
Handle the connector (See page IN-30).
6.
When the malfunction code is not confir med in the DTC check, troubleshooting should be performed in the
ElJI
order for all possible circuits to be considered as the causes of the problems. In many cases, by carrying
out the basic engine check shown in the following flow chart, the location causing the problem can be found
quickly and efficiently. Therefore, use of this check Is essential in e�_gine troubleshooting.
1
Is battery positive voltage
2
is engine cranked?
3 I
Does engine start?
DIAGNOSTICS
ENGINE
trip detection logic is possible instead of 2 trip detection logic
1
I N -30}.
or
11 V
more when engine is stopped?
Charge or r e pl a ce bat t e ry.
G
)

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