Geely EC718, EC718RV, EC715, EC715RV. Manual part — 152
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 152
01
MAIN
IG1 Relay
To Ignition Switch
Battery
1,4 Cylinder Ignition Coil
2,3 Cylinder Ignition Coil
Engine
Control
Module
FE02-9000b
Engine
Ignition System JL4G18-D
2-523
2.10.7 Diagnostic Information and Procedures
2.10.7.1 Diagnosis Description
Refer to
Get familiar with the system functions and operation before start system diagnostics, so
that it will help to determine the correct troubleshooting steps, more importantly, it will also help to determine whether the customer
described situation is normal.
For the ignition system DTC code. Refer to the "control system diagnostic information and the steps" in the "
."
2.10.7.2 Visual Inspection
–
Check installed aftermarket equipment that may affect the ignition system performance.
–
Check the easy to access system components to identify whether there is significant damage or potential faults.
2.10.7.3 Check Ignition Switch
Check the ignition switch terminals continuity according to the following diagram
Ignition Switch
Terminal Logic Table
FE02-9001b
1.
Turn the ignition switch to "OFF" position.
2.
Disconnect the ignition switch wiring harness connector IP23.
3.
Remove the ignition switch assembly.
4.
Test ignition switch terminals continuity
Location
Related Terminal
Standard
OFF
All Terminals
Infinity
2-524
Ignition System JL4G18-D
Engine
Location
Related Terminal
Standard
ACC
1-3
Conducted
ON
1-2-3
Conducted
5-6
ST
1-2
Conducted
4-5-6
If you detect there is one item that is not complying with standards, replace the ignition switch.
2.10.7.4 Ignition Relay IG1 No Power Output
Step 1
Check IG1 relay coil control power supply.
IF3
IF16
IF26
IF28
IF30
IF21
IF12
IF15
IF9
IF10
IF8
F17
F22
87
85
30
86
FE02-9002b
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove the ignition relay.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure voltage between ignition relay IG1 terminal No.86
and a reliable ground.
Standard Voltage: 11-14 V
Is the voltage specified value?
No
Yes
Step 2
Check IG1 relay coil ground circuit.
IF3
IF16
IF26
IF28
IF30
IF21
IF12
IF15
IF9
IF10
IF8
F17
F22
87
85
30
86
FE02-9003b
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove the ignition relay.
(c)
Measure resistance between ignition relay IG1 terminal No.
85 and a reliable ground.
Standard Resistance: Less than 1 Ω
Is the resistance specified value?
No
The circuit between the relay terminal No.85
and the ground is open.
Yes
Step 3
Check the relay power input.
Engine
Ignition System JL4G18-D
2-525
IF3
IF16
IF26
IF28
IF30
IF21
IF12
IF15
IF9
IF10
IF8
F17
F22
87
85
30
86
FE02-9004b
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove ignition relay.
(c)
Measure voltage between ignition relay IG1 terminal No.87
and a reliable ground.
Standard Voltage: 11-14 V
Is the voltage specified value?
No
The circuit between the relay terminal No.87
and fuse EF22 is open.
Yes
Step 4
Replace the ignition relay IG1.
Step 5
Check ignition switch IG1 power output.
Ignition Switch
FE02-9005b
(a)
Turn the ignition switch to "ON" position.
(b)
Measure voltage between ignition switch harness connector
IP23 terminal No.2 and a reliable ground. (Note: During this
test, the ignition switch wiring harness connector can not be
disconnected).
Standard Voltage: 11-14 V
Is the voltage specified value?
No
Check the ignition switch, refer to
the
Yes
Step 6
The circuit between ignition switch wiring harness connector IP23 terminal No.2 and the ignition relay IG1
terminal No.86 is open.
Next
Step 7
Diagnostic completed.
2.10.7.5 Spark Plug Does Not Arcing
Note
Before carry out the Spark Plug do not arcing diagnostic, make sure that the engine anti-theft locking system is not
activated and working properly.
2-526
Ignition System JL4G18-D
Engine
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