1A-123 Engine General Information and Diagnosis:
DTC P0327 / P0328: Knock Sensor Circuit Low / High
S5JB0A1104039
Wiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool.
3) Start engine and run it for 10 sec.
4) Check DTC by using scan tool.
DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions For DTC Troubleshooting: ”.
E23
C37
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
3
4
18
19
5
6
7
10
11
17
20
47
46
49
50
51
21
22
52
16
25
9
24
14
29
55
57
54 53
59
60
58
2
26
27
28
15
30
56
48
32
31
34
35
36
37
40
42
39 38
44
45
43
41
33
1
12
13
23
8
1
2
WHT
C37-56
5 V
I5JB0A110046-01
1. Knock sensor
2. ECM
DTC detecting condition
Trouble area
DTC will be set when all of following conditions are detected for
0.5 seconds continuously.
DTC P0327:
• Engine is running
• Voltage of knock sensor is less than 1.23 V
(1 driving cycle detection logic)
DTC P0328:
• Engine is running
• Voltage of knock sensor is 3.91 V or more
(1 driving cycle detection logic)
• Knock sensor circuit (open or short)
• Knock sensor
• ECM
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