Chery Tiggo 5 (T21). Service manual — part 67
06–
110
06
a. Install a normal engine speed sensor.
b. Connect engine speed sensor connector.
c. Turn ignition switch to ON, start the engine and observe the signal waveform of the engine speed sensor
with an oscilloscope.
a. Turn crankshaft, and check crankshaft and flywheel gear ring for damage and foreign matter, etc. that
cause signal incorrectness.
a. Use X-431 3G diagnostic tester to read the ECM DTC.
b. Refer to "DTC Confirmation Procedure".
c. Check if DTC P0322-00 still exists.
Replace wire harness or connector
(engine speed sensor - ECM)
NG
7
Install a normal engine speed sensor and observe signal waveform
OK
Replace engine speed sensor
OK
8
Check flywheel gear ring
NG
Clear off debris and clean flywheel gear
ring. Replace flywheel if necessary
)
NG
9
Check for DTCs
OK
Replace ECM
NG
System is operating normally.
Reassemble vehicle and perform a road test to confirm that malfunction reported by customer has
been repaired.
OK
06–
111
06
DTC
P0327-00 Knock Sensor 1 Circ. Low Input
DTC
P0328-00 Knock Sensor 1 Circ. High Input
06–
112
06
ET21065011
1
2
1-26
1-25
GY
WY
GY
WY
KNOCK
SENSOR
2
1
E-007
E-038
1 2 3
B
E-005
E-005
ECM-2
ECM-1
E-033
E-035
2-63
2-64
1-47
Br
Br
B
B
Br
B
1-48
E-026
E-028
37 38 39 40 41 42 43 44 45 46
47
48
25 26 27 28 29 30 31 32 33 34
35
36
13 14 15 16 17 18 19 20 21 22
23
24
1
2
3
4
5
6
7
8
9 10
11
12
B
E-033
B
E-035
49 50 51
63
64
15
16
31
32
47
48
33 34 35
17 18 19
1
2
3
52 53 54 55 56 57 58 59 60 61 62
36 37 38 39 40 41 42 43 44 45 46
20 21 22 23 24 25 26 27 28 29 30
4
5
6
7
8
9 10 11 12 13 14
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
31
35
39
40
41
42
32
33
36
37
38 34
27
28
29
30
B
E-007
06–
113
06
DTC Confirmation Procedure
Confirm that battery voltage is over 12 V before performing the following procedures.
Turn ignition switch to LOCK.
Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
Turn ignition switch to ON.
Use X-431 3G diagnostic tester to record and clear the DTCs stored in the ECM.
Start the engine and warm it up to normal operating temperature, and then select Read Code.
If the DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis
procedure - Step 1.
If DTC is not detected, the malfunction indicated by the DTC is intermittent (
).
Diagnosis Procedure
a. Turn ignition switch to LOCK.
b. Check ECM grounds E-026 and E-028 (
a. Disconnect knock sensor connector E-005.
b. Check knock sensor connector.
DTC Code
DTC Definitions
DTC Detection
Conditions
Possible Cause
P0327-00
Knock Sensor 1 Circ.
Low Input
Engine running
Knock sensor
Wire harness or connector
ECM
P0328-00
Knock Sensor 1 Circ.
High Input
CAUTION
When performing circuit diagnosis and test, always refer to the circuit diagram for specific circuit and
component information.
1
Check ECM ground point
Repair or replace ground wire harness or
ground point
NG
2
Check knock sensor connector
OK
RT21060330
Repair or replace connector
NG
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст