Suzuki SWIFT RS415 2017, Service Manual

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Engine General Information and Diagnosis: 1A-107
DTC P0327 / P0328: Knock Sensor Circuit Low / High
S4RS0A1104034
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.
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
RED
C37-56
5 V
I4RS0A110031-
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