Toyota Celica 2005 Repair Manual page 30

D Indicates the position of the ignition switch during the check.
LOCK
Ignition Switch LOCK (OFF)
START
Ignition Switch START
INSPECTION PROCEDURE
1 Check continuity between terminal KNK of ECM connector and body ground.
LOCK
AB0117
A00265
NG
2
Check knock sensor (See page SF−61).
D Indicates the place to check the voltage or resistance.
D Indicates the connector position to checked, from the front or back side.
Check from the connector back side.
(with harness)
D Indicates the condition of the connector of ECU during the check.
Connector being checked is connected.
2005 CELICA (RM1131U)
INTRODUCTION
ON
Ignition Switch ON
ACC
Ignition Switch ACC
PREPARATION:
(a) Remove the glove compartment (See page SF−68).
KNK
(b) Disconnect the E6 connector of ECM.
CHECK:
Measure resistance between terminal KNK of ECM connector
and body ground.
OK:
E6 Connector
Resistance: 1 MΩ or higher
A00255
OK
OK
Wire Harness
KNK
E6 Connector
− HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
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.
Go to step 3.
Replace knock sensor.
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.
29
KNK
E6 Connector
IN−29
V08425