Hyundai HX145 LCR, Manual

Page: 386 / 702

6-31
8. WHEN COOLANT TEMPERATURE GAUGE DOES NOT OPERATE 8. 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.
25
26
ENGINE ECM
CAN A Hi
CAN A Lo
CN-93
CN-126
31
21
24
CN-51
2
34
1 16
SERVICE TOOL
A
F
B
C
E
RS232 P DUMP
9
10
CN-3
RS232 RX
CAN Lo
RS232 TX
CAN Hi
6
5
3
CN-5
42
27
7
8
41
145LCR6ES03
Cause Remedy
Check use HRDT
Disconnection in
wiring harness or
poor contact
between temp
sensor-engine
harness connector
Defective coolant
temp sensor
Check or replace
Repair or replace
(after clean)
Replace
YES
YES
NO
Starting switch : OFF
Spec : 180
Ω
~160
k
Ω
See table
Check resistance
between temp
sensor (A)-(B)
Check resistance
between engine
harness connector
(34)-(83)
Spec : 180
Ω
~160
k
Ω
NO
Check Table Check Table
Temperature (˚C ) 0 25 50 80 95
Resistance (k
Ω
) 30~37 9.3~10.7 3.2~3.8 1.0~1.3 0.7~0.8