V 08425
LOCK
KNK
E 6 Connec tor
(a) Remove the glove compartment
(
b) D is connect the E 6 connector of ECM.
INSPECTION PROCEDURE
Replace knock sensor.
1 Check continuity between terminal KNK of ECM connect or and body ground.
OK:
Measure resistance between terminal K N K of E C U connector
and body ground.
Resistance: 1M. or higher
Connector being checked is connected.
D
Indicates the condition of the connector of ECU during the check .
PREPARATION :
CHECK:
2
Go to step 3.
OK
OK
NG
D
Indicates the position of the ignition switch during the check .
Check from the connector back side.
( with harness )
Ignition Switch LOCK (OFF)
Ignition Switch START
LOCK
Ignition Switch ON
Ignition Switch ACC
START
ON
ACC
D
Inspection Procedure
Use the inspection procedure to determine
if the circuit is normal or abnormal, and, if
it is abnormal, use it to determine whether
the problem is located in the sensors ,
actuators , wire harness or ECU.
D
Indicates the place to check the voltage or resistance.
D
Indicates the connector position to checked, from the front or back side.
Connect or being checked is disconnected.
Check from the connector front side. ( without harness )
In this case, care must be taken not to bend the terminals .
E 6 Connector
KNK
Wire Harness
E 6 Connector
KNK
A 00255
AB0117
A 00265
IN -- 20
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INTRODUCTIO N HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
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Pages From Supplement
3RZ-F,3RZ-FE