Geely EC718, EC718RV, EC715, EC715RV. Manual part — 355
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 355
1
7 8
9 10
16
15
14
13
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11
2 3 4 5 6
Airbag Control Module 1 Harness Connector IP35
FE09-5104b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect the battery cable and wait for at least 90s.
(c)
Disconnect the airbag control module connector IP35.
(d)
Connect the battery cable and wait for at least 2s.
(e)
Turn the ignition switch to "ON" position.
(f)
Run all the electronic system components (defroster, wipers,
headlamps, heater blower, etc.).
(g)
Measure voltage between connectors IP35 terminal No.11
and the body ground with a multimeter.
Standard Voltage: 11-14 V
(h)
Turn the ignition switch to "OFF" position.
(i)
Measure resistance between connectors IP35 terminal No.
16 and the body ground with a multimeter.
Standard Resistance: Less than 1 Ω
Are the voltage and resistance specified values?
No
Check the fuses, repair or replace the wiring
harness
Yes
Step 2
Check the wiring harness connector.
(a)
Disconnect the airbag control module harness connector
IP36.
(b)
Disconnect the left front collision sensor wiring harness
connector CA11.
Are the two wiring harness connectors normal?
Yes
Replace the wiring harness connectors.
No
Step 3
Check the left front collision sensor wiring harness (open circuit).
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7 8
9 10
16
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14
13
12
11
2 3 4 5 6
Airbag Control Module 3 Harness Connector IP36
FE09-5109b
(a)
Measure resistance between IP36 terminal No.7 and CA11
terminal No.2 with a multimeter.
(b)
Measure resistance between IP36 terminal No.8 and CA11
terminal No.1 with a multimeter.
Standard Resistance: Less than 1 Ω
Is the resistance specified value?
No
Replace the left front collision sensor wiring
harness.
Safety Protection Device
Airbag System
9-19
2 1
Left Front Collision Sensor Harness
Connector CA11
FE09-5110b
Yes
Step 4
Check the left front collision sensor wiring harness (if short circuit between lines).
(a)
Measure resistance between connector CA11 terminals No.
1 and 2 with a multimeter.
Standard Resistance: 10 kΩ or higher
Is the resistance specified value?
No
Replace the harness
Yes
Step 5
Check the left front collision sensor wiring harness (whether the circuit is short to ground).
(a)
Measure resistance between CA11 terminal No.1 and the
vehicle body ground with a multimeter.
(b)
Measure resistance between CA11 terminal No.2 and the
vehicle body ground with a multimeter.
Standard Resistance: 10 kΩ or higher
Is the resistance specified value?
No
Replace the harness
Yes
Step 6
Check the left front collision sensor wiring harness (short to power supply).
(a)
Connect the battery negative cable and wait for at least 2s.
(b)
Turn Turn the ignition switch to "ON".
(c)
Measure voltage between CA11 terminals No.1 and 2
respectively and the body ground with a multimeter.
Standard Voltage: Less than 1 V
Is the voltage specified value?
No
Replace the harness
9-20
Airbag System
Safety Protection Device
Yes
Step 7
Replace the left front collision sensor.
(a)
Disconnect the battery negative cable and wait for at least
90s. Refer to
.
(b)
Replace the driver front collision sensor. Refer to
Front Collision Sensor Replacement
.
Is the system working properly?
Yes
System normal
No
Step 8
Replace the airbag control module.
(a)
Replace the airbag control module. Refer to
.
(b)
Confirm the repair completed.
Next
Step 9
System normal.
Actuator Malfunction
Note
The workshop manual only diagnoses the driver airbag and driver seat belt pretensioner, the rest actuators diagnostics
are similar. Please refer to "Driver airbag and driver seat belt pretensioner Diagnostic".
Driver Airbag Malfunction
DTC Code
Description
B1021
Driver Front Airbag Short To GND
B1022
Driver Front Airbag Short To + B
B1023
Driver Front Airbag Low Resistance
B1024
Driver Front Airbag High Resistance
B1025
Driver Front Airbag Configuration Error
Schematic:
Diagnostic Steps:
Step 1
Check the wiring harness (Airbag Control Module - power, ground).
Safety Protection Device
Airbag System
9-21
1
7 8
9 10
16
15
14
13
12
11
2 3 4 5 6
Airbag Control Module 1 Harness Connector IP35
FE09-5104b
(a)
Turn the ignition switch to "OFF" position.
(b)
Disconnect the battery negative cable and wait for at least
90s. Refer to
.
(c)
Disconnect the airbag control module connector IP35.
(d)
Connect the battery negative cable and wait for at least 2s.
(e)
Turn the ignition switch to "ON" position.
(f)
Run all the electronic system components (defroster, wipers,
headlamps, heater blower, etc.).
(g)
Measure voltage between connector IP35 terminal No.11
and the body ground with a multimeter.
Standard Voltage: 11-14 V
(h)
Turn the ignition switch to "OFF" position.
(i)
Measure resistance between connector IP35 terminal No.16
and the body ground with a multimeter.
Standard Resistance: Less than 1 Ω
Are the voltage and resistance specified values?
No
Check the fuses, repair or replace the wiring
harness.
Yes
Step 2
Check the clock spring connector.
(a)
Disconnect the battery negative cable and wait at least 90s.
Refer to
(b)
Check whether the clock spring connector is damaged,
whether the retaining buckle is damaged.
Yes
Replace the clock spring
No
Step 3
Check the circuit between the airbag control module and driver front airbag.
(a)
Disconnect the battery negative cable and wait for at least
90s. Refer to
.
(b)
Disconnect the clock spring harness connector form the
driver front airbag.
(c)
Disconnect the airbag control module harness connector.
Note
Before removal, please measure the airbag control
module harness connector IP35 Terminal No.1 and 2
short films. Please install the wiring harness connector
short film before installing the connectors.
Note
Note: Do not use a multimeter to measure the driver
airbag, otherwise it might set off airbag and cause
serious injuries.
(d)
Measure resistance between airbag control module IP35
Terminal No.1 and 2 and the body ground with a multimeter.
Standard Resistance: 10 kΩ or higher
9-22
Airbag System
Safety Protection Device
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