Hyundai HX130LCR Manual page 355

9. WHEN FUEL GAUGE DOES NOT OPERATE (HCESPN 301, FMI 3 or 4)
·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.
Check resistance
between CN-51
YES
(5) and CN-52
(26)
Starting switch : OFF
Disconnect CN-51, CN-52
Check resistance
Spec : 50~600Ω
between fuel
sender (1) and
(2)
Starting switch : OFF
Spec : 50~600Ω
See table
NO
YES
NO
Check Table
Range
Full
11/12
10/12
9/12
8/12
7/12
6/12
MCU
5
CN-51
26
CN-52
Resistance (Ω)
50
100
150
200
250
300 Empty warning
350
FUEL LEVEL SENDER
2
1
CD-2
6-32
Cause Remedy
Defective MCU or Replace
cluster
Disconnection in Repair or replace
wiring harness or
poor contact
between fuel
sender-MCU
Replace
Defective fuel
sender
Range Resistance (Ω)
5/12 400
4/12 450
3/12 500
2/12 550
1/12 600
700
- -
300L6ES10