Dtc P0462: Fuel Level Sensor Circuit Low - Suzuki Grand Vitara Service Manual

DTC P0462: Fuel Level Sensor Circuit Low

Wiring Diagram
BLK/RED
BLK/YEL
WHT/GRN
15 14 13 12 11
30 29 28 27 26
44
45 43 42 41
60 59 58 57 56
1. Fuel pump assembly
2. Fuel pump
3. Main fuel level sensor
DTC Detecting Condition and Trouble Area
DTC detecting condition
Fuel level sensor voltage is lower than specified value for 3
seconds continuously.
(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.
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6
BLK/RED
BLU/BLK
BLK/RED
BLK/WHT
1
BLK
YEL/GRN
BLK/YEL
4
E23
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
4. Sub fuel level sensor
5. ECM
6. Main relay
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Engine General Information and Diagnosis:
7
2
BLU/BLK
PNK
3
2 1 15 14 13 12 11
17 16 30 29 28 27 26
44
32 31 45 43 42 41
47 46 60 59 58 57 56
• ECM power and/or ground circuit malfunction
• ECM malfunction
• Fuel level sensor and/or its circuit malfunction
5
BLU E23-60
12V
BLU/BLK E23-1
E23-16
BLU/BLK
E23-15
WHT/GRN
12 V
YEL/RED E23-24
C37
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
7. Fuel pump relay
Trouble area
1A-142
S5JB0A1104047
5V
2 1
17 16
32 31
47 46
I5JB0A110055-02