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5-26
3. WHEN COOLANT OVERHEAT WARNING LAMP LIGHTS UP(Engine is started)
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Before disconnecting the connector, always turn the starting switch OFF.
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Before carrying out below procedure, check all the related connectors are properly inserted.
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After checking, insert the disconnected connectors again immediately unless otherwise specified.
Cause
Remedy
Coolant overheat
(110
Á
C
Ü
2
Á
C )
or defective temp
switch
Defective temp
detector
Short circuit in
wiring harness
Defective cluster
Check engine
cooling system
or replace temp
switch
Repair or replace
the detector
Repair or replace
(After clean)
Replace
CLUSTER
CN-2
CN-56
WATER TEMP SWITCH
C
CD-9
3
4
CN-8
13
7
DETECTOR
CN-167
Starting switch : ON
Engine : Start
Does display go
off when
disconnect CD-9
and CN-167?
Check resistance
between CN-56
(4) and chassis?
YES
YES
YES
NO
NO
NO
Disconnect CN-56
Yes
à
0~1.1
̫
No =
â
̫
Disconnect CD-9
Yes
à
0~1.1
̫
No =
â
̫
Check resistance
between water
temp switch and
chassis?
R35Z75TS12