Suzuki GRAND VITARA User Manual

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
34
1819
5671011
1720
47 46495051
2122
52
1625
9
24
14
29
5557 54 53
59
60 58
2
262728
15
30
56 48
32 31343536374042 39 38
44
45 43 41 33
11213
23
834
1819
5671011
1720
47 46495051
2122
52
1625
9
24
14
29
5557 54 53
59
60 58
2
262728
15
30
56 48
32 31343536374042 39 38
44
45 43 41 33
11213
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

Suzuki GRAND VITARA Specifications

General

Brand	Suzuki
Model	GRAND VITARA
Category	Automobile
Language	English