Hyundai HX130LCR Manual page 353

7. WHEN HYDRAULIC OIL TEMPERATURE WARNING LAMP LIGHTS UP (engine is started)
·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.
Resistance
between CD-1
YES
(1, 2) is in range
of 164~151Ω?
Starting switch : ON
Does display go
Disconnect CD-1
off when
disconnect
CD-1?
Resistance
Starting switch : ON
between CN-51
Engine : Start
(5) and CN-52
NO
(24) is 0~1Ω?
Starting switch : OFF
Disconnect CN-51, CN-52
Check Table
Temperature (˚C ) ~ -30
Resistance (kΩ)
YES
NO
YES
NO
22.22
~31.78
MCU
5
CN-51
24
CN-52
~ -10 ~ 0 ~ 40
8.16 5.18 1.06
~10.74 ~ 6.6 ~1.28
HYDRAULIC OIL
TEMPERATURE SENDER
2
C
1
CD-1
6-30
Cause Remedy
High temperature Check hydraulic
system
Defective temp Replace
sensor
Short circuit Repair or replace
between temp
sensor and MCU
Defective controller Replace
~ 70 ~ 80 ~ 90
0.39 0.322 0.243
~0.476 ~0.298 ~0.219
~ 100 105~
0.185 0.164
~0.167 0.151
300L6ES08