Geely EC718, EC718RV, EC715, EC715RV. Manual part — 445
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 445
1
2
3
4
Fuel Pump Harness Connector SO29
FE11-5606b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect instrument cluster harness connector IP03.
(c)
Disconnect the fuel level sensor wiring harness connector
SO29.
(d)
Measure resistance between the fuel level sensor wiring
harness connector SO29 terminal No.1 and a reliable ground.
(e)
Measure voltage between the fuel level sensor wiring
harness connector SO29 terminal No.1 and a reliable ground.
Standard Value:
Connector Terminal
Standard Value:
Resistance Between SO29 (1) and A
Reliable Ground
10 kΩ or higher
Voltage Between SO29 (1) and A
Reliable Ground
0 V
Is the value specified value?
No
Repair open circuit or short circuit between
the SO29 terminal No.1 and IP03 terminal No.
29.
Yes
Step 3
Check the fuel sensor resistance.
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect the fuel level sensor wiring harness connector
SO29.
(c)
Remove the fuel pump. Refer to
(d)
Measure the fuel level sensor resistance according to the
following table.
Fuel
Resistance
Full
40( ± 2 Ω)
3/4
60( ± 2 Ω)
1/2
90( ± 2 Ω)
1/4
140( ± 2 Ω)
Threshold
190 ( ± 2 Ω)
Empty
300 ( ± 2 Ω)
Is the value specified value?
No
Replace the fuel level sensor. Refer to
Body Electric
Instrument / Driver Information System
11-293
Yes
Step 4
Check whether the engine tachometer, speedometer are working as per normal?
No
Replace the fuel level sensor. Refer to
Yes
Step 5
Replace the instrument cluster. Refer to
Instrument Cluster Replacement
Next
Step 6
Use scan tool to confirm whether the DTC Code is stored again.
(a)
Connect scan tool to the datalink connector.
(b)
Turn the ignition switch to "ON" position.
(c)
Clear the DTC code.
(d)
Read the DTC Code again, confirm the system has no DTC
code.
Is the value specified value?
No
Yes
Step 7
Diagnostic Completed.
11.7.6.7 DTC U129C U129D
DTC
U129C
Meter voltage Higher Than Normal.
DTC
U129D
Meter voltage Lower Than Normal.
11-294
Instrument / Driver Information System
Body Electric
Schematic:
IG1
IF25
IF19
IP05
IP03
IP03
IP03
IP03
C01
4
4
IP+B
IP05
C01
41
32
16
24
15
41
I/P Fuse Block
Instrument
Cluster
FE11-5604b
Diagnostic Steps:
Step 1
Check I/P fuse block fuses IF19 and IF25.
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove I/P fuse block fuses IF19 and IF25.
(c)
Test these two fuses continuity with a multimeter.
Conducted?
Yes
Check whether there is a short. replace the
fuse.
No
Step 2
Check the meter power supply voltage.
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect the meter harness connector IP03.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure voltage between the meter harness connector IP03
terminal No.24 and a reliable ground.
(e)
Measure voltage between ECM harness connector IP03
terminal No.32 and a reliable ground.
Standard Value: :11-14 V
Body Electric
Instrument / Driver Information System
11-295
Is the voltage normal?
No
Repair the open circuit between fuse IF19 and
IP03 terminal No.32 . repair the open circuit
between fuse IF25 and IP03 terminal No.24.
Yes
Step 3
Check the instrument ground circuit.
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect the meter harness connector IP03.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure resistance between the gage wiring harness
connector IP03 terminal No.24 and a reliable ground.
(e)
Measure resistance between ECM harness connector EN01
terminal No.32 and a reliable ground.
Standard Value: Less than 1 Ω
Is the resistance normal?
No
ECM ground circuit is faulty. Repair the faulty
part.
Yes
Step 4
Check the charging system.
(a)
Check the battery voltage.
Standard Value: 11-14 V
(b)
Check the generator charging voltage.
Standard Value: 11.5-14.5 V
Normal?
No
Repair the faulty part.
Yes
Step 5
Replace the instrument cluster. Refer to
Instrument Cluster Replacement
Next
Step 6
Use scan tool to confirm whether the DTC Code is stored again.
(a)
Connect scan tool to the datalink connector.
(b)
Turn the ignition switch to "ON" position.
(c)
Clear the DTC codes.
(d)
Start and run the engine at idle speed to warm up the engine
for at least 5 min.
(e)
Read control system DTC code again.
DTC codes still exist?
Yes
11-296
Instrument / Driver Information System
Body Electric
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