Geely Emgrand X7. Manual part — 512
Geely Emgrand X7. Manual part - 512
11.3.6.6 Navigation main machine can not start
The diagnostic step refers to 11.2.6.3 audio head unit is unable to start.
11.3.6.7 Navigation main machine can start but can not enter into the navigation
1
Check SD card.
(a) `Check if SD card correctly insert.
2
Inspect whether the SD card is the map card dedicated for navigation.
(a) Closed navigation main engine.
(b) Take down SD card from navigation host
(c) Use PC machine to inspect whether there is any other data except for map data in SD card.
Is data on the SD card normal?
3
Replace SD card,
(a) Closed navigation main engine. Is navigation normal?
(b) Take out SD card
(c) Re-install normal SD card.
4
Inspect the power circuit of the navigation head unit.
(a) Diagnostic procedure refer to
11.2.6.3 audio main machine can not start machine.
Whether power supply circuit is good or not?
5
Inspect the power circuit of the navigation head unit.
No
Handle power circuit malfunctions
Yes
Yes
The system is normal.
No
No
Re-write the map data in the SD card
Yes
No
Reinstall SD card
Yes
2047
(a) Refer to
11.2.7.4 Replacement of main host of sound equipment.
6
The system is normal.
Next
2048
11.3.6.8 May enter into Navigation screen but navigation main engine search GPS
Fault definition: the vehicle is in any position (including open ground), GPS is unable to search
any satellite signal.
1
Inspect whether there is cover on the front windshield glass.
Is there a cover material?
2
Inspect the GPS antenna connector.
(a) For dismantling of main host of navigation, refer to
11.2.7.4 Replacement of main host of
sound equipment.
(b) Check if GPS antenna connection is normal
3
Replace GPS antenna.
(a) For dismantling of GPS antenna, refer to
11.3.7.1 Replacement of GPS antenna.
Is the system normal?
4
Replace navigation main machine
(a) Refer
to
11.2.7.4 Replacement of main host of sound equipment.
5
The system is normal.
Next
Yes
The system is normal.
No
No
Reconnect GPS antenna.
Yes
Yes
Clear away the covering material.
No
2049
11.3.6.9 Navigation main machine can not closed
Circuit diagram:
See
11.2.6.3 circuit
schematic
for startup failure of audio unit.
Diagnostic steps:
1
Inspect the work triggering power supply of the navigation head unit.
(a) For dismantling of main host of navigation, refer to
11.3.7.4 Replacement of main host of
sound equipment.
(b) Rotated ignition switch to "OFF" position.
(c) Disconnect navigation main host wire harness connector IP21.
(d) Measure voltage between navigation main host wire harness connector IP21 terminal No. 4
and reliable grounding.
Standard voltage:12V
Whether voltage meet standard value or not?
2
Replace navigation main machine, refer to
11.3.7.4 navigation main machine
replacement.
11.3.6.10 Navigation main machine can be normal but speaker can not be work
See
11.2.6.4 audio unit can be normally turned on but loudspeaker does not work.
No
The navigation head unit power circuit faults. Refer
to
11.2.6.3 Audio Head Unit is Unable to Start Up.
Yes
2050
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