Hyundai HX130LCR Manual page 388

14. MALFUNCTION OF POWER MAX
Fault code : HCESPN 166, FMI 4 or 6
·
Before carrying out below procedure, check all the related connectors are properly inserted.
※
1) INSPECTION PROCEDURE
Check resistance
YES
between CN-51
(18)-GND
Is voltage between
CN-88(2)-GND
SPEC : Power max button pressed ON : 0Ω
normal?
SPEC
Starting switch ON :
24±1V
NO
Starting switch OFF :
0V
See TEST 18
Wiring diagram
MCU
2
CN-52
18
CN-51
POWER MAX SWITCH
1
2
CS-29
Check resistance
YES
between CN-88
(1)-(2)
SPEC: 15-35Ω
See TEST 19
NO
Power max button released OFF : ∞ Ω
6
5
CN-4
YES
NO
6-65 6-65
Cause Remedy
Short circuit or poor Repair or replace
connection between
CN-88(1)-CN-52 (2)
Defective power Repair or replace
max. solenoid valve
Check hydraulic
system
Short circuit or poor Repair or replace
connection between
CN-51(18)-CS-29
Short circuit or poor Repair or replace
connection between
CN-88(2)-
Fuse No. 24
POWER MAX SOLENOID
1
2
CN-88
FUSE
NO.24
130ZF6MS03