Geely Emgrand X7. Manual part — 496
Geely Emgrand X7. Manual part - 496
10.3.3.5 DTC B11B312. B11B312
Fault diagnosis code Descriptions
B11B412
Anti-Theft LED Circuit Fault
B11B411
Anti-Theft LED Circuit Fault
Circuit diagram:
NL11-0016c
BCM
1
ALM LED
IP14
2 IP14
23 IP61
防盗报警灯
Diagnostic Steps:
1
Inspect whether there is any DTC Code other than B11B412/B11B411.
(a) Inspect whether there is any DTC Code other than B11B412/B11B411.
2
Measure voltage between the alarm indicator harness connector IP14 terminal 2.and 1.
No
Go to DTC list in 10.2.4.2 and repair according
to trouble codes.
Yes
Anti-theft alarm lamp
1983
(a) Disconnect the anti-theft indicator harness
connector IP14.
(b) Measure voltage between terminal 2 and 1 with a
universal meter.
Standard Voltage: 11-14 V
Confirm if the voltage conforms to standard value.
NL11-0173b
2
6
5
4
3
1
IP14 防盗报警灯线束连接器
3
Check ground circuit of anti-theft indicator.
(a) Disconnect the anti-theft indicator harness
connector IP14.
(b) Measure voltage between harness connector
terminal 1 and vehicle body ground point with a
universal meter.
Standard Resistance: Less than 1 Ω
Confirm whether the resistance is at a specified value.
NL11-0173b
2
6
5
4
3
1
IP14 防盗报警灯线束连接器
4
Repair ground circuit of anti-theft indicator.
a) Repair fault point from anti-theft indicator to body ground circuit.
Is the anti-theft indicator working correctly?
Yes
Go to step 7
No
Yes
Go to step 4
No
Yes
The system is normal.
IP14 anti-theft alarm lamp harness connector
IP14 anti-theft alarm lamp harness connector
1984
5
Check supply circuit of anti-theft indicator.
(a) Rotated ignition switch to "OFF" position.
(b) Disconnect the battery negative cable.
(c) Disconnect BCM harness connector IP61.
(d) Disconnect the anti-theft indicator harness connector.
(e) Measure the resistance between terminal 2 of anti-theft indicator harness connector IP14 and BCM harness
connector IP61 with a universal meter.
Specified Value of Test Project
Specified Value of Test Project
IP61(23)—IP14(2)
Less than 1 Ω
Is the resistance at a specified value?
6
Replace the BCM
(a) Replace BCM and refer to Replacement of BCM in 11.8.8.1.
Is the anti-theft indicator working correctly?
7
Replace the anti-theft indicator.
(a) Replace
anti-theft
indicator
and refer to 11.8.8.2 "Replacement of Anti-theft Indicator".
Confirm the completion of repair.
8
The system is normal.
Next
No
No
Repair open circuit fault between terminal 2 of
anti-theft indicator harness connector IP14 and
BCM harness connector IP61
Yes
Yes
The system is normal.
No
1985
10.3.3.6 DTC B11B512. B11B512
Fault diagnosis code Descriptions
B11B512
Key Illumination Light Circuit Fault
B11B511
Key Illumination Light Circuit Fault
Circuit diagram:
NL11-0017c
BCM
3 IP43
4 IP43
10 IP63
防盗报警灯
1
Inspect whether there is any DTC Code other than B11B512/B11B511.
(a) Inspect whether there is any DTC Code other than B11B512/B11B511.
2
Measure the voltage of anti-theft alarm light.
No
Go to DTC list in 10.2.4.2 and repair according
to trouble codes.
Yes
Anti-theft alarm lamp
1986
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