Hyundai r35z-7 Workshop Manual page 212

6. WHEN COOLANT TEMPERATURE GAUGE DOES NOT OPERATE
Before disconnecting the connector, always turn the starting switch OFF.
Before carrying out below procedure, check all the related connectors are properly inserted.
After checking, insert the disconnected connectors again immediately unless otherwise specified.
Is resistance
YES
between CN-56
(10) and chassis
over 2k ?
Starting switch : OFF
Disconnect CN-50
Does the gauge
move up and
down at lamp
check?
Starting switch : ON
NO
Red range
CLUSTER
10
CN-56
YES
Check resistance
between CN-2
NO
(9) and chassis
See Table
C C heck Table
Temperature
Item
Unit Resistance( )
9
CN-2
5-29
Disconnection in
wiring harness or
poor contact
between
CN-56-CD-30
YES
Defective cluster
Defective temp
NO
sensor
Defective cluster
50 C 80 C
100
350 118 63.5
WATER TEMP SENSOR
CD-8
Cause Remedy
Repair or replace
(After clean)
Replace
Replace
Replace
120 C
C
(Red range)
36.2
C
R35Z75TS15