Geely Emgrand X7. Manual part — 594
Geely Emgrand X7. Manual part - 594
(a) Make sure that speed sensor wire
harness connector EN21 terminal
No.3 and combined instrument
wire harness connector IP02
terminal No.1 are connected.
Standard resistance: less than 1 Ω
Is the resistance at a specified value?
NL11-3031b
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18
IP02 组合仪表线束连接器2
1
1
2
3
EN21 车速传感器线束连接器
3
4
Inspect the communication between the terminal No.2 of the speed sensor connector
EN21 and the engine grounding.
(a)
Measure resistance between
speed sensor connector EN21
terminal No.2 and engine
grounding.
Standard resistance: less than 1 Ω
Is the resistance at a specified value?
NL11-3054b
1
2
3
EN21 车速传感器线束连接器
2
Yes
The system is normal.
No
Yes
The system is normal.
No
EN21 speed sensor harness
connector
IP02 combination instrument
harness connector2
EN21 speed sensor harness
connector
2375
5
Inspect and repair the circuit between the terminal No.2 of the speed sensor wire
harness connector EN21 and the engine grounding.
(a) Make sure that speed sensor wire harness connector EN21 terminal No.2 and engine
grounding are connected.
Inspect whether the speedometer works normally.
(a) Replace the vehicle speed sensor and refer to 3.3.8.2 "Replacement of Vehicle Speed
Sensor".
Inspect whether the speedometer works normally.
7
Replace instrument cluster,
(a) Replace the combination instrument and refer to 11.6.7.1 Replacement of Combination
Instrument Assembly.
Confirm the completion of repair.
8
The system is normal.
6
Replace the vehicle speed sensor.
Next
Yes
The system is normal.
No
Yes
The system is normal.
No
2376
11.7.6.15 Temperature gauge can not indicate normally
Circuit diagram:
NL11-3055b
IPC
发动机冷却液
温度传感器
WATER
TEMP
5 IP01
2 EN23
Diagnostic steps:
1 General
inspection
(a) Inspect whether combined instrument wire harness connector has damage, bad connection,
ageing and loose conditions.
Inspect if the result is normal
2
Inspect the communication between the terminal No.2 of the engine coolant
temperature sensor wire harness connector EN23 and the terminal No.2 of the
combination instrument wire harness connector IP01.
(a) Measure resistance between engine coolant temperature sensor wire harness connector EN23
terminal No.2 and combined instrument wire harness connector IP01 terminal No.2.
Standard resistance: less than 1 Ω
Is the resistance at a specified value?
No
Fault discovered by maintenance
Yes
Engine coolant
temperature sensor
2377
NL11-3056b
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18
IP01 组合仪表线束连接器1
3
2
1
EN23 冷却液温度传感器线束连接器
2
2
3
Inspect and repair the wire harness between the terminal No.2 of the engine coolant
temperature sensor wire harness connector EN23 and the terminal No.2 of the
combination instrument wire harness connector IP01.
(a) Make sure that engine coolant temperature sensor wire harness connector EN23 terminal
No.2 and combined instrument wire harness connector IP01 terminal No.2 are repaired and
connected.
Inspect whether the water temperature gauge works normally.
4
Replace the engine coolant temperature sensor.
Replace the temperature sensor of engine coolant and refer to 2.2.8.3 "Replacement of temperature
sensor of engine coolant".
Inspect whether the water temperature gauge works normally.
Yes
The system is normal.
No
Yes
The system is normal.
No
Yes
Go to step 4
No
EN23coolant temperature
sensorharness connector
IP01 combination instrument harness
connector1
2378
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