Geely Emgrand X7. Manual part — 481
Geely Emgrand X7. Manual part - 481
10.2.4.11 DTC B1237
Fault diagnosis code Descriptions
B1237
Sunlight sensor fault
Circuit diagram:
CA18
6 CA12
5 CA12
16 IP42
13 IP42 14 IP42 6 IP42
5 IP49
40 IP50
2 IP05
1 IP05
3 IP05
26 IP50 7 IP50
近光灯
继电器
灯光
组合
开关
右前
组合
大灯
左前
组合
大灯
远光
近光
远光
近光
阳光传感器
6 CA18
5
OFF
位置灯
近光
远光
超车灯
自动
7
13
8
14
16
6
5
2
1
3
+B
IG1
ER01
15
A
EF
26
10
A
IF
25
BCM
NL11-3242b
Diagnostic Steps:
1
Inspect whether there is any DTC Code other than B1237
(a) Inspect whether there is any DTC Code other than B1237.
2
Inspect the communication between the sunlight sensor and
the fuse.
Yes
Go to
DTC list in 10.2.4.2
and repair according to
trouble codes.
No
Solar sensor
Low beam
lamp relay
ER01
Position lamp
Low beam
High beam
Overtake lamp
Auto
Lighting
combination
switch
Left front co
mbinati
on
headlamp
Right front
combinatio
n headla
mp
High beam
low beam
High beam
low beam
1923
(a) Rotated ignition switch to "OFF" position .
(b) Disconnect solar sensor harness connector
IP05.
(c) Measure resistance value between solar
sensor harness connector IP05 terminal3 and
indoor fuseIF25.
Standard Resistance: Less than 1 Ω
Confirm whether the resistance is normal.
NL11-3244b
3
2
1
IP05阳光传感器线束连接器
3
Inspect the communication between the sunlight sensor and
the grounding.
(a) Measure resistance between sun sensor
wire harness connector IP05 terminal 1 and
grounding.
Standard Resistance: Less than 1 Ω
(b) Measure resistance value between solar
sensor harness connector IP05 terminal3
and grounding
(c) Measure resistance value between of
resistance value between solar sensor
harness connector IP05 terminal2 and
grounding.
Standard Resistance: 10 kΩ or higher
Confirm if the resistance conforms to standard
value.
NL11-3245b
3
2
1
IP05阳光传感器线束连接器
4
Communication between the sunlight sensor and the
BCM.
No
Repair or replace the harness.
Yes
No
Repair or replace the harness.
Yes
IP05 solar sensorharness connector
IP05 solar sensorharness connector
1924
(a) Turn the ignition switch to OFF position.
(b) Disconnect BCM harness sensor IP50.
(c) Measure solar sensor harness connector IP05
terminal2 and BCM harness connector
Resistance of IP50 terminal and No.40
Standard Resistance: Less than 1 Ω
(d) Measure resistance between BCM wire harness
connector IP50 terminal 40 and grounding.
Standard Resistance: 10 kΩ or higher
Confirm if the resistance conforms to standard value.
NL11-3246b
3
2
1
IP05阳光传感器线束连接器
IP50BCM线束连接器
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
5
Replace solar
sensor,
(a) Replace solar sensor, refer to
11.3.8.16 ambient light and solar sensor replacement
.
(b) Clear DTC, and read again.
Standard Resistance: Less than 1 Ω
(c) Measure resistance value between front celling lamp harness connector RF12 terminal2
and grounding
(d) Measure resistance between front dome lamp wire harness connector RF12 terminal 3
and grounding.
Confirm whether the fault code still exists.
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
Repair or replace the harness.
Yes
No
The system is normal.
Yes
IP05 solar sensorharness connector
IP50BCMharness connector
1925
10.2.4.12 DTC B1213
Fault diagnosis code Descriptions
B1213
If not detecting the stop bit signal within 8S consecutively the front wiper faults.
Circuit diagram:
20A
IF30
IG1继电器
前雨刮电机
2 CA14
4
3 CA14
1 CA14
12 IP48
BCM
13 IP48
11 IP48
WIPER
GND
9 IP47
WIPEP
POWEP
HIGHT
WIPER
LOW
WIPER
CA14
M
NL11-3247b
Diagnostic Steps:
1
Inspect whether there is any DTC Code other than B1213.
(a) Inspect whether there is any DTC Code other than B1213.
2
Inspect the communication between the wiper motor and the BCM.
Yes
Go to DTC list in 10.2.4.2 and repair according to
trouble codes.
No
IG1 RELAY
Front wiper
motor
1926
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