Dtc P0462 / P0463: Fuel Level Sensor Circuit Low / High - Suzuki SX4 Service Manual

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1A-128 Engine General Information and Diagnosis:

DTC P0462 / P0463: Fuel Level Sensor Circuit Low / High

Wiring Diagram
1
15
14
13
12
11
30
28
27
26
29
45
44
43
42
41
59
60
58
57
56
1. Fuel level sensor (gauge)
DTC Detecting Condition and Trouble Area
DTC detecting condition
P0462:
Fuel level sensor voltage is lower than specified value for 3 sec.
(1 driving cycle detection logic but MIL does not light up)
P0463:
Fuel level sensor voltage is higher than specified value for 30 sec.
(1 driving cycle detection logic but MIL does not light up)
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and run it for 30 sec. or more.
4) Check DTC and pending DTC.
DTC Troubleshooting
NOTE
Before this troubleshooting is performed, read the precautions for DTC troubleshooting referring to
"Precautions for DTC Troubleshooting".
Step
1
Was "Engine and Emission Control System Check"
performed?
2
DTC check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch.
3) Clear DTC and recheck DTC with scan tool.
Is there P0463?
3
12 V
YEL/RED
YEL/RED
BLK/ORN
E01
10
9
8
7
6
5
4
3
25
24
23
22
21
20
19
18
40
39 38
37
36
35
34
33
55
54 53
52
51
50
49
48
2. ECM
Action
YEL/RED
2
1
15
14
13
12
11
17
16
30
28
27
26
29
32 31
45
44
43
42
41
59
47 46
60
58
57
56
• "YEL/RED" circuit malfunction
• ECM power and/or ground circuit malfunction
• ECM malfunction
Go to Step 2.
Go to Step 3.
2
12 V
E01-24
C01
10
9
8
7
6
5
4
3
25
24
23
22
21
20
19
18
40
39 38
37
36
35
34
33
55
54 53
52
51
50
49
48
3. Combination meter
Trouble area
Yes
Go to "Engine and
Emission Control
System Check".
Intermittent trouble.
Check for intermittent
referring to "Intermittent
and Poor Connection
Inspection in Section
00".
S7RW0A1104049
2
1
17
16
32 31
47 46
I6RW0D110040-01
No

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