Hyundai r35z-7 Workshop Manual page 219

13. WHEN ENGINE DOES NOT START
Check supply of the power at engine stop solenoid while starting switch is 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 operation
YES of fuel feed pump
YES
Check operation
Starting switch : ON
of fuel cut-off
Motor : RUN
solenoid valve
Starting switch : START
With in 1 sec
Check operation
of start motor
Starting switch : START
Check voltage
between CN-79
NO
(B) and chassis
Starting switch : ON
With in 1 sec
Voltage : 10~12.5V
Check voltage
YES
between starter
magnet coil and
chassis
Voltage : 10~12.5V
Check operation
of safety relay
NO
Check voltage
Starting switch : START
between safety
relay(IG) and
NO
chassis
Voltage : 10~12.5V
Cause Remedy
YES Defective fuel Check fuel line
line
YES
Defective fuel Repair or replace
Check voltage
feel pump feel pump
between CN-145
(2) and chassis
Disconnection in Repair or replace
NO
wiring harness (After clean)
Starting switch :START
Voltage : 10 ~ 12.5 V or poor contact
between CN-
145(2) and fuse
No. 11
Repair or replace
Defective fuel cut
off valve fuel cut off valve
YES
Defective timer Repair or replace
Check voltage
Timer
between CR-50
NO
(4) and chassis
Defective fuel cut Repair or replace
NO
fuel cut off relay or
off relay or
Starting switch : ON
disconnection in repair or replace
wiring harness or (After clean)
poor contact
between CR-50
(4) and fuse NO.3
YES
Defective magnet Repair or replace
start motor
of start motor
Defective safety Repair or replace
NO
safety relay
relay
YES
Repair or replace
Defective safety
relay safety relay
Repair or replace
Disconnection in
NO
(After clean)
wiring harness or
poor contact
between CN-166
(1)and CS-2(1)
FUSIBLE LINK
START MOTOR
M B+
M
CN-45
SAFETY RELAY
1
START SIG.
2
NC
3
IG
4
ALT PULSE
5
GROUND
NC 6
CN-166
1 2
BATTERY
2 1
MAGNET
CN-165
CN-5
FUSE
NO.11
5-36
START SWITCH
CS-2
1
2
1
A1
2
FUSE
3
1
NO.3
4
CN-7
FUEL CUT-OFF RY
87 30
30
86
85 87
CR-51
TIMER
OUT
1
1
2
3
2
4
OUT
CR-50
FUEL CUT-OFF SOL
7
A
2
B
C
12
3
CN-79
CN-6
CN-8
FUEL FEED P/P
1
2
CN-145
A2
B2
B3
B1
B4
86
85
4
IG
3 GND
H
F
E
M
R35Z75TS22