MONITOR DESCRIPTION
The fuel pump control ECU has a self-diagnosis function. If there is an internal malfunction, the fuel pump control ECU sends a malfunction signal to the ECM via the FPC drive circuit.
Based on the signal, the ECM judges that there is a malfunction in the fuel pump control ECU stores a DTC.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
---|---|---|---|---|---|---|
P064A49 | Fuel Pump Control Module Internal Electronic Failure | When the fuel pump control ECU operation duty ratio is 3 to 65%, there is an internal malfunction in the fuel pump control ECU for 3 seconds or more (2 trip detection logic). | Fuel pump control ECU | Comes on | DTC stored | SAE Code: P064A |
MONITOR STRATEGY
Related DTCs | P064A: Fuel pump control module range check |
Required Sensors/Components (Main) | Fuel pump control ECU |
Required Sensors/Components (Related) | - |
Frequency of Operation | Continuous |
Duration | 3 seconds |
MIL Operation | 2 driving cycles |
Sequence of Operation | None |
TYPICAL ENABLING CONDITIONS
Monitor runs whenever the following DTCs are not stored | None |
All of the following conditions are met | - |
Output duty cycle | 3 to 65% |
Auxiliary battery voltage | 10.5 V or higher |
Power switch | On (IG) |
TYPICAL MALFUNCTION THRESHOLDS
Internal malfunction from fuel pump control module | Received |
CONFIRMATION DRIVING PATTERN
HINT:
Click here
Click here
Click here
HINT:
Techstream Display | Description |
---|---|
NORMAL |
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ABNORMAL |
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INCOMPLETE |
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HINT:
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
CAUTION / NOTICE / HINT
NOTICE:
Click here
(Select Powertrain in Health Check and then check the time stamp data.)
Click here
Click here
HINT:
Read Freeze Frame Data using the Techstream. The ECM records vehicle and driving condition information as Freeze Frame Data the moment a DTC is stored. When troubleshooting, Freeze Frame Data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.
PROCEDURE
1. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Clear the DTCs.
Powertrain > Engine > Clear DTCs(e) Turn the power switch off and wait for at least 30 seconds.
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2. | CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P064A49) |
(a) Drive the vehicle in accordance with the driving pattern described in the Confirmation Driving Pattern.
(b) Enter the following menus: Powertrain / Engine / Trouble Codes.
(c) Read the DTCs.
Powertrain > Engine > Trouble Codes Result | Proceed to |
---|---|
DTC P064A49 is output | A |
DTC P064A49 and other DTCs are output | B |
A | REPLACE FUEL PUMP CONTROL ECU |
B | GO TO DTC CHART |