DTC P0462-00: Fuel Gauge Sender Unit System: Low Input (PYUL)
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P0462: 00 (PCM (PYUL)) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Fuel gauge sender unit system: Low input |
| Detection condition |
- The fuel gauge sender unit output voltage is too low.
|
| Fail-safe |
|
| Vehicle status when DTCs are output |
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (See CLEARING DTC
.)
- Perform the KOEO or KOER self test. (See DTC INSPECTION
.)
|
| Inspection/action procedure |
- Proceed with the inspection/action in the order from Step 1 below.
- After part repair or replacement, perform the repeatability verifi cation procedure and perform a DTCinspection. (See DTC INSPECTION
)
- If the DTC inspection indicates the same DTC again, go to the next step.
- Inspect the wiring harness (including connector/terminal) between the fuel gauge sender unit and theelectrical supply unit (ESU) for a malfunction.
Purpose/reason (possible cause)
Malfunction in wiring harness (including connector/terminal) between fuel gauge sender unit and electrical supply unit(ESU)
Referred to service information item
(See CIRCUIT INSPECTION
.) (See CONNECTOR INSPECTION
.)
- Inspect the fuel gauge sender unit.
Purpose/reason (possible cause)
Fuel gauge sender unit malfunction
Referred to service information item
(See FUEL GAUGE SENDER UNIT INSPECTION
.)
- Inspect the electrical supply unit (ESU).
Purpose/reason (possible cause)
Electrical supply unit (ESU) malfunction
Referred to service information item
(See ELECTRICAL SUPPLY UNIT (ESU) INSPECTION
)
- Inspect body control module (BCM).
Purpose/reason (possible cause)
Body control module (BCM) malfunction
Referred to service information item
(See BODY CONTROL MODULE (BCM) INSPECTION
)
- Replace the PCM.
Purpose/reason (possible cause)
PCM malfunction (no other possible malfunction considered)
Referred to service information item
(See PCM REMOVAL/INSTALLATION
)
|
Refer to SYSTEM WIRING DIAGRAMS
 Courtesy of MAZDA MOTORS CORP.
|
| 1 |
Electrical supply unit (ESU) |
| 2 |
Fuel gauge sender unit |
| Function explanation (DTC detection outline) |
|