Geely EC718, EC718RV, EC715, EC715RV. Manual part — 376
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 376
Radio Antenna (Hatchback)
1
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Legend
1. Radio Antenna
Body Electric
Audio Entertainment System
11-17
11.2.5 Schematic
11.2.5.1 Schematic
Antenna Module
Radio
Control
Assembly
Left Front Tweeter
Left Front Door Speaker
Right Front Tweeter
Right Front Door Speaker
Left Rear Speaker
Right Rear Speaker
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Audio Entertainment System
Body Electric
11.2.6 Diagnostic Information and Procedures
11.2.6.1 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 diagnostic steps, more importantly, it will also help to determine whether the customer
described situation is normal.
11.2.6.2 Visual Inspection
–
Check installed after market equipment that may affect the operation of the audio system.
–
Check the easy to access system components to identify whether there is a significant damage or possible malfunction.
–
In the event of all speakers inoperative, focus on circuits that are easy to short to ground, such as the rear compartment speaker
wiring harness connector, as it will help with diagnostic.
–
If a single speaker is inoperative, it may be the audio channel is shielded, causing a single channel inoperative. It is not a sound
system malfunction. Refer to the sound system instructions in the owner handbook.
11.2.6.3 Radio Control Can Not Be Turned On
Schematic:
01
23
To Battery
To Ignition Switch
Receiver
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Diagnostic Steps:
Step 1
Check fuses, IF2 and IF8.
Body Electric
Audio Entertainment System
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IF14
IF2
IF1
IF5
IF7
IF3
IF16
IF27
IF25
IF26
IF28
IF30
IF24
IF20
IF19
IF23
IF18
IF21
IF13
IF12
IF15
IF9
IF10
IF8
F17
F22
M
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(a)
Are fuses IF2 and IF8 blown?
Fuse Rating: IF2 15A, and IF8 10 A respectively.
Confirm whether the fuses IF2 and IF8 are blown.
No
Yes
Step 2
Check the fuses, IF2 and IF8 circuits.
(a)
Check whether the fuses IF2 and IF8 circuits are short
circuits.
(b)
Repair the circuits. Confirm that there are no short circuits.
(c)
Replace with fuses with rated current.
Confirm whether the radio is working correctly.
Yes
System normal
No
Step 3
Check the radio control power supply.
1
6 7 8
9 10 11 12
2 3
4 5
Receiver 1 Harness Connector IP33
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(a)
Remove the radio control.
(b)
Measure radio control harness connector IP33 terminals No.
6,7 voltage.
Standard Voltage
Test Terminal
Test
Conditions
Standard
Voltage
IP33 (6) and Body Ground
Always
11-14 V
IP33 (7) and Body Ground
Ignition
Switch ACC
11-14 V
Confirm whether the power supply is normal.
Yes
No
Step 4
Repair the open circuit between the radio control harness connector IP33 and fuse IF2.
(a)
Confirm the open circuit between radio control wiring harness
connector IP33 terminal No.6 and fuse IF2 repair is
completed.
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Audio Entertainment System
Body Electric
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