Geely EC718, EC718RV, EC715, EC715RV. Manual part — 377
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 377
(b)
Confirm the open circuit between radio control wiring harness
connector IP33 terminal No.7 and fuse IF8 repair is
completed.
Confirm whether the radio control is working correctly.
Yes
System normal
No
Step 5
Check the radio control ground.
1
6 7 8
9 10 11 12
2 3
4 5
Receiver 1 Harness Connector IP33
FE11-5103b
(a)
Measure resistance between radio control wiring harness
connector IP33 terminals No.1,10 and the ground.
Standard Resistance: Less than 1 Ω
Is the resistance specified value?
Yes
No
Step 6
Repair the open circuit between radio control harness connector IP33 and the ground.
(a)
Confirm the open circuit between the radio control wiring
harness connector IP33 terminals No.1,10 respectively and
the body repair is completed.
Confirm whether the radio is working correctly.
Yes
System normal
No
Step 7
Replace the radio control.
(a)
Refer to
.
Confirm whether the radio is working correctly.
Next
Step 8
System normal.
Body Electric
Audio Entertainment System
11-21
11.2.6.4 Radio Control Can Be Turned On But The Speakers Are Inoperative
Schematic:
RL-
FL+
FR+
FL-
FR-
RR-
RL+
RR+
8
3
7
1
2
4
IP32
SO32
SO32
IP32
10
B
B
A
A
IP32
DR09
DR04
DR09
DR04
IP32
5
1
2
1
IP32
SO31
SO31
IP32
2
6
B
B
A
A
IP32
DR19
DR14
DR19
DR14
IP32
Left Rear
Speaker
Right Rear
Speaker
Receiver
Left Front
Door Speaker
Left Front
Tweeter
Right Front
Door Speaker
Right Front
Tweeter
FE11-5105b
Diagnostic Steps:
Step 1
Turn on the radio control.
(a)
Operate the radio control master control panel, adjust the
channel, so that front and rear and left and right channels are
in the middle.
Confirm whether all the speakers are inoperative.
No
Yes
Step 2
Measure the resistance between radio control harness connector IP32 audio output and ground.
11-22
Audio Entertainment System
Body Electric
1
4
2
5 6 7 8
3
Receiver 2 Harness Connector IP32
FE11-5106b
(a)
Remove the radio control.
(b)
Disconnect the radio control harness connector IP32.
(c)
Measure resistance between radio control wiring harness
connector IP32 all audio output terminals and the ground with
a multimeter.
Standard Resistance: 10 kΩ or higher
Is the resistance specified value?
Yes
No
Step 3
Repair the short circuit between radio control harness connector IP32 all audio terminals and body ground.
(a)
Confirm the short circuit between radio control harness
connector IP32 all audio terminals and body ground repair is
completed.
Confirm whether the radio is working correctly.
Yes
System normal
No
Step 4
Check the inoperative speaker circuit.
1
4
2
5 6 7 8
3
Receiver 2 Harness Connector IP32
FE11-5106b
(a)
Disconnect the radio control harness connector IP32.
(b)
Measure the speaker resistance through the wiring harness
connector IP32 with a multimeter.
Standard Resistance
Test Speakers
Test Terminal
Standard
Resistance
Left Rear Speaker
3.5-4.5 Ω
Right Rear
Speaker
3.5-4.5 Ω
Left Front Door
Tweeter
3.5-4.5 Ω
Driver Door
Speaker
3.5-4.5 Ω
Left Front Door
Tweeter
3.5-4.5 Ω
Passenger Door
Speaker
3.5-4.5 Ω
Confirm the resistances are normal.
Body Electric
Audio Entertainment System
11-23
Yes
No
Step 5
Check for speaker open circuit.
1
2
B
A
B A
Front Door Speaker
Harness Connector
DR09/19
Rear Door Speaker
Harness Connector
SO32/31
Tweeter Harness
Connector DR04/14
FE11-5107b
(a)
Disconnect radio control harness connector IP32.
(b)
Disconnect the inoperative speaker connector.
(c)
Listed in the following table, measure inoperative speaker
connector terminal with a multimeter.
Location
Multimeter Connection
Specified
Conditions
Left Rear
Speaker
Less than 1
Ω
Right Rear
Speaker
Less than 1
Ω
Left Front
Door Tweeter
Door wiring harness
connector DR04 terminals
B, A and the instrument
harness connector IP32
terminals No.7,3.
Less than 1
Ω
Right Front
Door Tweeter
Door wiring harness
connector DR14 terminals
B, A and the instrument
harness connector IP32
terminals No.6,2.
Less than 1
Ω
Driver Door
Speaker
Door wiring harness
connector DR09 terminals
B, A and the instrument
harness connector IP32
terminals No.7,3.
Less than 1
Ω
Passenger
Door Speaker
Floor wiring harness
connector DR19 terminals
B, A and the instrument
harness connector IP32
terminals No.6,2.
Less than 1
Ω
(d)
Confirm the open circuit repair is completed.
Confirm the radio is working properly.
Yes
System normal
No
Step 6
Check the speaker.
(a)
Measure speaker terminals.
Standard Resistance: 3.5-4.5 Ω
11-24
Audio Entertainment System
Body Electric
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