Hyundai HX145LCR Manual page 381

3. 3. BATTERY CHARGING WARNING LAMP LIGHTS UP BATTERY CHARGING WARNING LAMP LIGHTS UP (Starting switch : ON)
·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 voltage
YES
between CN-2
(18) and chassis
Voltage : 20~32V
Check voltage
between alternator
terminal "L" and
chassis
Engine : Running
Voltage : 20~32V
NO
Check voltage Check voltage
YES 20~32V
NO 0V
MCU
CN-52
Check voltage
YES
between CN-52
(27) and chassis
Voltage : 20~32V
NO
27 18
CN-2
YES
Defective MCU
Disconnection in
NO
wiring harness or
poor contact
between CN-52
(27)-CN-2 (18)
Disconnection in
wiring harness or
poor contact
between CN-2 (18)
alternator terminal
"L"
Defective alternator
ALTERNATOR
B+
L
CN-74
6-26
Cause Remedy
Replace
Repair or replace
(after clean)
Repair or replace
(after clean)
Replace
G
~
3
140L6ES02