Hyundai HX145LCR Manual page 384

6. 6. WHEN ENGINE OIL PRESSURE WARNING LAMP LIGHTS UP WHEN ENGINE OIL PRESSURE 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.
NO Fault code
100-3, 4 active?
Starting switch : ON
Fault code
100-1, 17, 18
active?
Starting switch : ON
YES
SERVICE TOOL
CAN Lo
CAN Hi
RS232 TX
RS232 RX
RS232 P DUMP
NO
YES
F 6 7
E 5 8
3 41
C
2 42
B
A 1 27
CN-126 CN-5
Defective circuit,
sensor or ECM.
Voltage above or
below normal
Low engine oil
pressure
31
21
24
34
CN-3
16
CN-51
6-29
Cause
Remedy
Contact Perkins.
Refer to engine
fault code 100-3, 4
Refer to engine
fault code 100-1,
17, 18
ENGINE ECM
9 25 CAN A Hi
10 26 CAN A Lo
CN-93
145LCR6ES03