Toyota ZZT230 series Repair Manual page 34

""''
•
Indicates the position of the ignition switch during the check.
Ignition
(§)
ST ART
Switch
Switch
Check
)
•
Indicates the place to check the voltage or resistance.
•
Indicates the connector position to checked, from the front or back side.
(with harness )
Check
from the connector back side.
)
Connector being checked is connected.
INTRODUCTION
""
0
Ignition
ACC
LOCK
(OFF)
tio
I
g
ni
START
continuity
between
terminal
PREPARATION:
{a)
(b) Disconnect
CHECK:
Measure
and
� I
�
Wire Harness
-
TO
HOW TROUBLESHOOT ECU CONTROLLED
SYSTEMS
• Inspection Procedure
Use the 'Inspection procedure to determine if
Switch ON
the circuit is normal or abnormal, and, if it is
abnormal, use
problem is located in the sensors, actuators,
Switch ACC
n
wire harness or ECU.
· · -
KNK or ECM
connector and body ground.
con
the
Remove glove compartmoot
{See
e E6 ECM.
th n ec t or of
resistance belweeo terminal
body ground.
Resistance:
1 W'! or higher
Gotostep3.
knoct sensor.
Replace
Check from the connector front side. (without harness)
In this case, care must be taken not to bend the terminals.
Connector being checked is disconnected.
k
to determine whether the
page SF-68).
KNK ECM
of conneclor
�
Connector
1�29