Hyundai HX145 LCR, Manual

Page: 390 / 702

6-35
12. WHEN ENGINE DOES NOT START 12. WHEN ENGINE DOES NOT START ( lights up condition)
·
Before disconnecting the connector, always turn the starting switch OFF.
·
Before carrying out below procedure, check all the related connectors are properly inserted and
short of fuse No. 2, 3, 11, 15, 19.
·
After checking, insert the disconnected connectors again immediately unless otherwise specified.
NO.19
NO.11
CN-231
1
2
CN-36-1
7
5
CN-36-3
1
9
NO.15
8
START MOTOR
1
2 16
17
CN-2
START RY
CR-23
ANTI-RESTART RY
CR-5
30
86
87
85
87a
86
85 87
30
87a
ANTI-RESTART RY
20
MCU
CN-51
BATT RY
CR-1
BATTERY
2
1
CN-60
2
1
CN-95
CIRCUIT BREAKER
MASTER SW
CS-74A
POWER RY
CR-35
40
39
36
CN-5
35
4 2
CN-125
START KEY SW
30
86
87
85
87a
86
85
87
30
87a
B+
M
M
CN-45
NO.2
NO.3
2
1
MASTER SW
CS-74B
2
1
60A
90A
69
KEY IG
CN93-J1
ECM
CS-2A
6
1
2
3
4
5
6
1
5
3
0
I
0,
I
H
4
2
B
H
BR
ACC
ST
C
Cause Remedy
Defective ECM or
battery
Disconnection in
wiring harness or
poor contact
between CR-35
(86) -CN-93-J1 (69)
Defective magnet
of start motor
Defective start relay
ⓐ
Disconnection in
wiring harness or
poor contact
between CN-2
(16) -CR-5 (87)
Defective anti-
restart relay
ⓑ
Defective start relay
Disconnection in
wiring harness or
poor contact
between CN-2 (16)
-CR-5 (87)
Disconnection in
wiring harness or
poor contact
between CN-51
(20)-CR-5 (30)
Disconnection in
wiring harness or
poor contact
between CS-2A
(6)- CR-5 (86)
Replace
Repair or replace
Replace
Replace
Repair or replace
Replace
Replace
Repair or replace
Repair or replace
Repair or replace
NO
YES
YES
NO
Starting switch : START
Starting switch : START
Check operation
start motor
Starting switch : START
Spec : 20~30V
Key switch : ON
Spec : 20~30V
Starting switch : ON
YES
NO
Starting switch : START
Spec : 20~30V
NO
Check voltage
between starter
magnet coil and
chassis
Check voltage
CN-93-J1 (69)
and chassis
YES
YES
Check operation
of start relay
CR-23
NO
Starting switch : START
Spec : 20~30V
ⓑ
Check voltage
between CR-5
(87) and chassis
NO
YES
145LCR6ES13
Check operation
of anti-restart
relay CR-5
Starting switch : START
Spec : 20~30V
NO
YES
Starting switch : START
Spec : 20~30V
Check voltage
between CR-5
(85, 86)
NO
YES
Check voltage
between CN-2
(16) and chassis
ⓐ
Check voltage
between CR-23
and chassis
NO
YES