Geely EC718, EC718RV, EC715, EC715RV. Manual part — 314
Geely EC718, EC718RV, EC715, EC715RV. Manual part - 314
DTC code
Description
C1201
Wheel Speed Sensor, left Front: Scope, Performance, Intermittent Fault
C1202
Wheel Speed Sensor, Left Front: Invalid / No Signal
C1203
Wheel Speed Sensor, Right Front: Open / Short
C1204
Wheel Speed Sensor, Right Front: Scope, Performance, Intermittent Fault
C1205
Wheel Speed Sensor, Right Front: Invalid / No Signal
C1206
Wheel Speed Sensor, Left Rear: Open / Short
C1207
Wheel Speed Sensor, Left Rear: Scope, Performance, Intermittent Fault
C1208
Wheel Speed Sensor, Left Rear: Invalid / No Signal
C1209
Wheel Speed Sensor, Right Rear: Open / Short
C1210
Wheel Speed Sensor, Right Rear: Scope, Performance, Intermittent Fault
C1211
Wheel Speed Sensor, Right Rear: Invalid / No Signal
C1213
Wheel Speed Sensor Frequency Error (general wheel speed sensor fault, slip or tooth error)
Note
This manual is only for the left front wheel speed sensor fault diagnosis, other sensor diagnostic methods are similar.
Please refer to the "left Front wheel Speed Sensor Fault Diagnosis."
Brake System
ABS / TCS / EBD / ESP
6-89
Schematic:
CA13
CA13
CA13
CAN H
CAN L
IF13
EF21
EF20
CA13
CA13
CA13
32
26
13
38
CA13
CA13
14
17
IP12
7
1
25
SO30
2
SO30
1
SO28
2
SO28
1
CA26
2
CA26
1
CA07
2
CA07
1
CA13
19
CA13
31
CA13
33
CA13
20
CA13
18
CA13
6
CA13
34
CA13
22
Datalink
Connector
ABS Control Module
Right Rear
Wheel Speed
Sensor
Left Rear
Wheel Speed
Sensor
Right Front
Wheel Speed
Sensor
Left Front
Wheel Speed
Sensor
FE06-5604b
Diagnostic Steps:
Step 1
Check the left front wheel speed sensor harness connector.
(a)
Check whether the left front wheel speed sensor wiring
harness connector is connected correctly.
No
Properly connect harness connectors.
Yes
Step 2
Check the left front wheel speed sensor installation.
(a)
Check whether the left front wheel speed sensor is installed
correctly.
Tightening Torque: 19 Nm (Metric) 14 lb-ft (US English)
No
Correctly install the left front wheel speed
sensor.
Yes
Step 3
Check the left front wheel speed sensor.
6-90
ABS / TCS / EBD / ESP
Brake System
Left Front Wheel Speed Sensor Harness
Connector CA07
FE06-5610b
(a)
With a multimeter measure the left front wheel speed sensor
according to the table below.
(b)
Confirm the voltage and current is complied with the standard
value.
Note
Turn the wheel with hand when measuring.
Warning!
Do not place finger into a rotating wheel, otherwise, it
may result in personal injury.
Wheel Speed Sensor
Description
Sensor Type
Hall Type Speed Sensor
Signal Current
Low: 7 ± 20% mA, High: 14
± 20% mA
Gap Between The Sensor
and The Signal Plate
Front Axle 1.56 mm (0.061
in); Rear Axle 0.738 mm
(0.029 in)
Yes
No
Step 4
Check the left front wheel speed sensor and ABS control module wiring harness.
1
25
38
13
37
36
35
34
33
32
31
30
29
28
27
14 15 16 17 18 19 20 21 22 23 24
12
11
10
9
8
7
6
5
4
3
2
26
ABS/ESP Harness Connector CA13
FE06-5607b
(a)
Disconnect the left front wheel speed sensor harness
connector.
(b)
Disconnect the ABS control module harness connector.
(c)
Measure resistance between the connector CA13 terminal 34
and CA07 terminal 2 with a multimeter.
(d)
Measure resistance between the connector CA13 terminal 22
and CA07 terminal 1 with a multimeter.
Standard Resistance: Less than 1 Ω
(e)
Measure resistance between the connector CA13 terminals
34, 22 and the body ground.
Standard Resistance:10 kΩ or higher
Is the resistance specified value?
No
Repair or Replace the wiring harness
Brake System
ABS / TCS / EBD / ESP
6-91
Left Front Wheel Speed Sensor Harness
Connector CA07
FE06-5610b
Yes
Step 5
Check the left front wheel speed sensor.
(a)
Confirm that there is no short circuit between the sensor
terminals with a multimeter.
(b)
Resistance between the sensor two terminals and the body
ground are infinity.
Is the resistance specified value?
No
Replace the left front wheel speed sensor
Yes
Step 6
Check the left front wheel speed sensor probe.
(a)
Remove the left front wheel speed sensor. Refer to
Wheel Speed Sensor Replacement (Front)
.
(b)
Check whether the sensor probe is scratched or
contaminated by foreign matter and dirt.
Yes
Clean or replace the sensor.
No
Step 7
Check the left front wheel speed sensor ring gear.
(a)
Check whether the left front wheel speed sensor ring gear is
deformed, or whether there are teeth missing.
Yes
Replace the left front wheel speed sensor ring
gear
No
Step 8
Replace the hydraulic electronic control unit.
(a)
Replace the hydraulic electronic control unit. Refer to
Hydraulic Electronic Control Unit Replacement
(b)
Confirm that the repair is completed.
6-92
ABS / TCS / EBD / ESP
Brake System
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