Geely Emgrand X7. Manual part — 484
Geely Emgrand X7. Manual part - 484
10.2.4.16 DTC B1218
Fault diagnosis code Descriptions
B1218
Open circuit incurs on co-pilot-side electric window driving.
Circuit diagram:
B
8
7 IP47
M
DR02
A DR02
B
15
14 IP47
M
DR11
A DR11
IP47
IP47
LF-WINDOW
DOWN
RF-WINDOW
DOWN
RF-WINDOW UP
LF-WINDOW UP
BCM
左前玻璃升降电机
右前门窗升降电机
NL11-3222b
Diagnostic Steps:
1
Inspect whether there is any DTC Code other than B1218.
(a) Inspect whether there is any DTC Code other than B1218.
2
Inspect the upshift voltage of the right front glass lifting
motor.
Yes
Go to
DTC list in 10.2.4.2
and
repair according to trouble
codes.
No
Left frontglass lifting
motor
Right front door and
window lifting motor
1935
(a) Turn on right front glass lifter switch to lift
right front glass.
(b) Measure voltage of right front side glass lift
motor harness connector DR11 terminal.
Standard Voltage: 11-14 V
Is voltage the Standard Value?
NL11-3226b
A
B
DR11右前玻璃升降电机线束连接器
3
Inspect the downshift voltage of the right front glass lifting
motor.
(a) Turn on right front glass lifter switch to
lower right front glass.
(b) Measure voltage of right front side glass lift
motor harness connector DR11 terminal
Standard Voltage: 11-14 V
Is voltage the Standard Value?
NL11-3227b
A
B
DR11右前玻璃升降电机线束连接器
4
Inspect the communication of the right front glass lifting
motor and the BCM.
No
Go to step 4
Yes
No
Go to step 5
Yes
DR11Right frontglass lifting motor harness
connector
DR11 right frontglass lifting motor harness connector
1936
(a) Turn the ignition switch to OFF position.
(b) Disconnect Left front glass lift motor
harness connector DR11.
(c) Disconnect BCM harness connector IP47.
(d) Measure left front glass lifter motor wire
harness connector DR11 terminal A and
BCM wire harness connector IP47 terminal
14.
(e) Measure resistance between left front glass
lifter motor wire harness connector DR11
terminal B and BCM wire harness
connector IP47 terminal 15.
Standard Resistance: Less than 1 Ω
Is the resistance at a specified value?
NL11-3228b
A
B
DR11右前玻璃升降电机线束连接器
IP47BCM线束连接器
5 6 7 8
9 10 11 12
13
14 15 16 17
1
2 3 4
5
Replace right front side glass lift motor .
(a) Replace right front side glass lift motor, refer to
11.4.8.5 left front glass lifter motor replacement
.
(b) Clear DTC, and read DTC again
Whether fault code exists or not
6
Replace the BCM
(a) Replace BCM and refer to
Replacement of BCM in 11.8.8.1
.
Confirm the completion of repair.
7
The system is normal.
Next
No
The system is normal.
Yes
Yes
Go to step 6
No
IP47BCMharness connector
DR11 right frontglass lifting motor harness connector
1937
10.2.4.17 DTC B1220
Fault diagnosis code Descriptions
B1220
Open circuit incurs on left rear electric window driving.
Circuit diagram:
12
10 IP47
2 IP47
B
M
DR23
A DR23
左后门升降电机
右后门升降电机
4 IP47
IP47
B
M
DR33
A DR33
RL-WINDOW
DOWN
RL-WINDOW UP
BCM
RR-WINDOW
DOWN
RR-WINDOW-UP
NL11-3229b
Diagnostic Steps:
1
Inspect whether there is any DTC Code other than B1220.
(a) Inspect whether there is any DTC Code other than B1220.
2
Inspect the upshift voltage of the left rear side glass lifting
motor.
Yes
Go to
DTC list in 10.2.4.2
and repair according to
trouble codes.
No
Left rear door
lifting motor
Right reardoor
lifting motor
1938
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