V08425
LOCK
THW
E6 Connector
( a) R emov e t he glov e c ompar t ment .
(b) Disconnect the E6 connector of ECU.
INSPECTION PROCEDURE
Replace water temp. sensor.
1 Check continuity between terminal THW of ECU connector and body ground.
OK:
C h eck w at er t emp . sen so r ( S ee p ag e E D -- 15) .
Measure resistance between terminal THW of ECU connector
and body ground.
Resistance: 1 MΩ or higher
Connector being checked is connected.
D Indicates the condition of the connector of ECU during the check.
PR EPA R ATIO N :
CHECK:
2
G o t o st ep 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 be checked, from the front or back side.
Connector being checked is disconnected.
Check from the connector front side. (without harness)
In this case, care must be taken not to bend the terminals.
E6 Connector
TWH
Wire Harness
E6 Connector
THW
A00255
AB0117
A00265
--INTRODUCTION HOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMS
IN --19
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