DESCRIPTION
Refer to DTC P107A11.
Click here
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
MIL | Note |
---|---|---|---|---|---|
P107A2A | Fuel Rail Pressure Sensor (Low) Signal Stuck in Range |
When the target fuel pressure for the low pressure side changes, the change in the fuel pressure sensor (for low pressure side) value is abnormal (2 trip detection logic). |
| Comes on |
|
P107A64 |
Fuel Rail Pressure Sensor (Low) Signal Plausibility Failure |
When the fuel pump on the low pressure side is operated at maximum speed when the engine is stopped at vehicle speed of 45 km/h (28 mph) or more, the low pressure side fuel pressure is higher or lower than threshold (2 trip detection logic). |
| Comes on |
|
MONITOR DESCRIPTION
Fuel Pressure Sensor Stuck MonitorIf the fuel pressure sensor (for low pressure side) value does not follow the change in the target low pressure side fuel pressure, it is judged as a malfunction. If this malfunction is detected in 2 consecutive driving cycles, the ECM will illuminate the MIL and store DTC P107A2A.
Fuel Pressure Sensor Correlation MonitorIf the fuel pressure sensor (for low pressure side) value is less than or higher than the threshold value when the fuel pump on the low pressure side is operated at maximum speed when the engine is stopped at vehicle speed of 45 km/h (28 mph) or more, it is judged as a malfunction has occurred. If this malfunction is detected for 2 consecutive driving cycles, the ECM will illuminate the MIL and store DTC P107A64.
MONITOR STRATEGY
Related DTCs | P107B: Fuel pressure sensor rationality (stuck monitor) P107B: Fuel pressure sensor rationality (correlation monitor) |
Required Sensors/Components (Main) | Fuel pressure sensor (for low pressure side) |
Required Sensors/Components (Related) |
Atmospheric pressure sensor |
Frequency of Operation | Continuous: Stuck monitor Once per driving cycle: Correlation monitor |
Duration | Less than 30 seconds: Stuck monitor Less than 10 seconds: Correlation monitor |
MIL Operation | 2 driving cycles |
Sequence of Operation | None |
TYPICAL ENABLING CONDITIONS
Stuck Monitor
All of the following conditions are met |
2 seconds or more |
Engine coolant temperature sensor malfunction (P0116, P0117, P0118) |
Not detected |
Intake air temperature sensor (mass air flow meter sub-assembly) malfunction (P0111, P0112, P0113) |
Not detected |
Fuel pressure sensor (for low pressure side) circuit malfunction (P107C, P107D) |
Not detected |
Auxiliary battery voltage |
11 V or higher |
Fuel cut |
Off |
All of the following conditions are met |
- |
Engine coolant temperature sensor malfunction (P0116, P0117, P0118) |
Not detected |
Intake air temperature sensor (mass air flow meter sub-assembly) malfunction (P0111, P0112, P0113) |
Not detected |
Fuel pressure sensor (for low pressure side) circuit malfunction (P107C, P107D) |
Not detected |
Auxiliary battery voltage |
11 V or higher |
Engine coolant temperature |
75°C (167°F) or higher |
Intake air temperature | -10°C (14°F) or higher |
Atmospheric pressure | 76 kPa(abs) [11 psi(abs)] or higher |
Fuel pump (for low pressure) operation at maximum duty |
1 second or more |
Engine shut off |
Executing |
Vehicle Speed |
45 km/h (28 mph) or more |
TYPICAL MALFUNCTION THRESHOLDS
Stuck Monitor
Malfunction counter | 3 times or more |
Malfunction counter is incremented when fuel pressure sensor (for low pressure side) output deviation |
Less than 12 kPa (0.1 kgf/cm2, 1.7 psi) |
Malfunction counter | 2 seconds or more |
Malfunction counter is counted when following condition is met |
- |
Fuel pressure sensor (for low pressure side) output |
Higher than 770 kPa (7.9 kgf/cm2, 112 psi), or less than 540 kPa (5.5 kgf/cm2, 78.3 psi) |
CONFIRMATION DRIVING PATTERN
HINT:
Click here
Click here
Click here
HINT:
HINT:
GTS Display |
Description |
---|---|
NORMAL |
|
ABNORMAL |
|
INCOMPLETE |
|
HINT:
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
Click here
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
HINT:
GTS Display |
Description |
---|---|
NORMAL |
|
ABNORMAL |
|
INCOMPLETE |
|
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 GTS. 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. |
CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P107A2A, P107A64, P008A00 OR P008B00) |
(a) Read the DTCs and record the Freeze Frame Data.
Powertrain > Engine > Trouble Codes
Result | Proceed to |
---|---|
DTC P107A2A is output |
A |
DTC P107A64 is output |
B |
DTC P107A2A or P107A64 and P008A00 are output |
C |
DTC P107A2A or P107A64 and P008B00 are output |
D |
DTC P107A2A, P107A64, P008A00 and/or P008B00 and other DTCs are output |
E |
HINT:
If any DTCs other than P107A2A, P107A64, P008A00 and/or P008B00 are output, troubleshoot those DTCs first.
B | GO TO STEP 6 |
C | GO TO STEP 7 |
D | GO TO STEP 16 |
E | GO TO DTC CHART |
|
2. |
READ VALUE USING GTS (FUEL PRESSURE (LOW) / FUEL PRESSURE 2) |
(a) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(b) Start the engine.
(c) Enter the following menus.
Powertrain > Engine > Data List
Tester Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(d) Record the Fuel Pressure (Low) / Fuel Pressure 2 value.
(e) Turn the ignition switch off.
(f) Discharge the fuel pressure.
HINT:
DTCs may be stored during this inspection. Check for DTCs and clear them using the GTS.
(1) Remove the EFI-MAIN NO. 2 fuse from the No. 1 engine room relay block and junction block assembly.
(2) Turn the ignition switch to ON.
(3) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(4) Start the engine.
(5) After the engine has stopped on its own, turn the ignition switch off.
HINT:
If the engine does not stop naturally, perform direct injection by racing the engine to reduce the fuel pressure [Fuel Pressure (High)] and stop the engine.
(6) Turn the ignition switch to ON.
(7) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(8) Crank the engine again and make sure that the engine does not start.
(9) Install the EFI-MAIN NO. 2 fuse.
(g) Enter the following menus.
Powertrain > Engine > Data List
Tester Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(h) Compare the Fuel Pressure (Low) / Fuel Pressure 2 value recorded with the engine running to the Fuel Pressure (Low) / Fuel Pressure 2 value currently shown on the GTS.
Result | Proceed to |
---|---|
Fuel Pressure (Low) / Fuel Pressure 2 value drops |
A |
Fuel Pressure (Low) / Fuel Pressure 2 value does not fluctuate |
B |
HINT:
Perform "Inspection After Repair" after replacing the fuel pressure sensor (for low pressure side).
Click here
B | REPLACE FUEL PRESSURE SENSOR (FOR LOW PRESSURE SIDE) |
|
3. |
CLEAR DTC |
(a) Clear the DTCs.
Powertrain > Engine > Clear DTCs(b) Turn the ignition switch off and wait for at least 30 seconds.
|
4. |
CHECK WHETHER DTC OUTPUT RECURS (DTC P107A2A OR P107A64) |
(a) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
(b) Enter the following menus.
Powertrain > Engine > Utility
Tester Display |
---|
All Readiness |
(c) Input the DTC: P107A2A or P107A64.
(d) Check the DTC judgment result.
Result | Proceed to |
---|---|
NORMAL (DTCs are not output) |
A |
ABNORMAL (DTC P107A2A or P107A64 is output) |
B |
A | CHECK FOR INTERMITTENT PROBLEMS |
|
5. |
PERFORM ACTIVE TEST USING GTS (CONTROL THE FUEL PUMP DUTY RATIO (BRUSHLESS)) |
(a) Install the fuel pressure gauge (for low pressure line of low pressure side).
Click here
(b) Enter the following menus.
Powertrain > Engine > Active Test
Active Test Display |
---|
Control the Fuel Pump Duty Ratio (Brushless) |
Data List Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(c) Compare the values in the Data List using the GTS and the fuel pressure gauge when the Active Test was performed.
Standard:
GTS Operation | Standard |
---|---|
Low | Data List value and fuel pressure gauge are within +/-50 kPa of each other |
High |
HINT:
Perform "Inspection After Repair" after replacing the fuel pressure sensor (for low pressure side).
Click here
OK | REPLACE ECM |
NG | REPLACE FUEL PRESSURE SENSOR (FOR LOW PRESSURE SIDE) |
6. |
READ FREEZE FRAME DATA (FUEL PRESSURE (LOW) / FUEL PRESSURE 2) |
(a) Read the Freeze Frame Data value from step 1.
Powertrain > Engine > DTC(P107A2A) > Freeze Frame Data
Tester Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
Result | Proceed to |
---|---|
Fuel Pressure (Low) / Fuel Pressure 2 value is 770 kPa or higher |
A |
Fuel Pressure (Low) / Fuel Pressure 2 value is 540 kPa or less |
B |
A | GO TO STEP 16 |
B | GO TO STEP 7 |
7. |
CHECK FUEL LEAK |
(a) Check around and beneath the vehicle for fuel leaks, fumes, etc.
OK:
No fuel leaks present.
NG | REPAIR OR REPLACE FUEL LEAK POINT |
|
8. |
PERFORM ACTIVE TEST USING GTS (CONTROL THE FUEL PUMP DUTY RATIO (BRUSHLESS)) |
(a) Enter the following menus.
Powertrain > Engine > Active Test
Tester Display |
---|
Control the Fuel Pump Duty Ratio (Brushless) |
(b) Check whether the fuel pump operating sound occurs when performing the Active Test on the GTS.
Standard:
GTS Operation | Standard |
---|---|
High | Operating sounds can be heard from fuel pump (for low pressure side) |
HINT:
Perform "Inspection After Repair" after replacing the fuel pump (for low pressure side).
Click here
NG | GO TO FUEL PUMP CONTROL CIRCUIT |
|
9. |
PERFORM ACTIVE TEST USING GTS (CONTROL THE FUEL PUMP DUTY RATIO (BRUSHLESS)) |
(a) Discharge the fuel pressure.
HINT:
DTCs may be stored during this inspection. Check for DTCs and clear them using the GTS.
(1) Remove the EFI-MAIN NO. 2 fuse from the No. 1 engine room relay block and junction block assembly.
(2) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(3) Start the engine.
(4) After the engine has stopped on its own, turn the ignition switch off.
HINT:
If the engine does not stop naturally, perform direct injection by racing the engine to reduce the fuel pressure [Fuel Pressure (High)] and stop the engine.
(5) Turn the ignition switch to ON.
(6) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(7) Crank the engine again and make sure that the engine does not start.
(8) Install the EFI-MAIN NO. 2 fuse.
(b) Enter the following menus.
Powertrain > Engine > Active Test
Active Test Display |
---|
Control the Fuel Pump Duty Ratio (Brushless) |
Data List Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(c) Read the value displayed on the GTS when the Active Test was performed.
Standard:
GTS Operation | Standard |
---|---|
Low to High | When switching from Low to High, Fuel Pressure (Low) / Fuel Pressure 2 value changes |
HINT:
Once the fuel pressure becomes high, the fuel pressure will not decrease, even when switched from High to Low. Therefore, make sure that the fuel pressure is low before checking that the fuel pressure changes when switching from Low to High.
NG | GO TO STEP 15 |
|
10. |
PERFORM ACTIVE TEST USING GTS (CONTROL THE FUEL PUMP DUTY RATIO (BRUSHLESS)) |
(a) Discharge the fuel pressure.
HINT:
DTCs may be stored during this inspection. Check for DTCs and clear them using the GTS.
(1) Remove the EFI-MAIN NO. 2 fuse from the No. 1 engine room relay block and junction block assembly.
(2) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(3) Start the engine.
(4) After the engine has stopped on its own, turn the ignition switch off.
HINT:
If the engine does not stop naturally, perform direct injection by racing the engine to reduce the fuel pressure [Fuel Pressure (High)] and stop the engine.
(5) Turn the ignition switch to ON.
(6) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(7) Crank the engine again and make sure that the engine does not start.
(8) Install the EFI-MAIN NO. 2 fuse.
(b) Enter the following menus.
Powertrain > Engine > Active Test
Active Test Display |
---|
Control the Fuel Pump Duty Ratio (Brushless) |
Data List Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(c) Read the value displayed on the GTS when the Active Test was performed.
Standard:
GTS Operation | Fuel Pressure (Low) / Fuel Pressure 2 |
---|---|
Low | 50 kPa or higher |
High | 420 kPa or higher |
HINT:
Once the fuel pressure becomes high, the fuel pressure will not decrease, even when switched from High to Low. Therefore, make sure that the fuel pressure is low before checking that the fuel pressure changes when switching from Low to High.
OK:
Actual Low and High values are as shown above.
NG | GO TO STEP 14 |
|
11. |
PERFORM ACTIVE TEST USING GTS (CONTROL THE FUEL PUMP DUTY RATIO (BRUSHLESS)) |
(a) Install the fuel pressure gauge (for low pressure line of low pressure side).
Click here
(b) Enter the following menus.
Powertrain > Engine > Active Test
Active Test Display |
---|
Control the Fuel Pump Duty Ratio (Brushless) |
Data List Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(c) Compare the values in the Data List using the GTS and the fuel pressure gauge when the Active Test was performed.
Standard:
GTS Operation | Standard |
---|---|
Low | Data List value and fuel pressure gauge are within +/-50 kPa of each other |
High |
HINT:
Perform "Inspection After Repair" after replacing the fuel pressure sensor (for low pressure side).
Click here
NG | REPLACE FUEL PRESSURE SENSOR (FOR LOW PRESSURE SIDE) |
|
12. |
CLEAR DTC |
(a) Clear the DTCs.
Powertrain > Engine > Clear DTCs(b) Turn the ignition switch off and wait for at least 30 seconds.
|
13. |
CHECK WHETHER DTC OUTPUT RECURS (DTC P107A2A OR P107A64) |
(a) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
(b) Enter the following menus.
Powertrain > Engine > Utility
Tester Display |
---|
All Readiness |
(c) Input the DTC: P107A2A or P107A64.
(d) Check the DTC judgment result.
Result | Proceed to |
---|---|
NORMAL (DTCs are not output) |
A |
ABNORMAL (DTC P107A2A or P107A64 is output) |
B |
A | CHECK FOR INTERMITTENT PROBLEMS |
B | REPLACE ECM |
14. |
READ VALUE USING GTS (FUEL PRESSURE (LOW) / FUEL PRESSURE 2) |
(a) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(b) Start the engine.
(c) Enter the following menus.
Powertrain > Engine > Data List
Tester Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(d) Record the Fuel Pressure (Low) / Fuel Pressure 2 value.
(e) Turn the ignition switch off.
(f) Wait for 10 seconds.
(g) Turn the ignition switch to ON.
(h) Enter the following menus.
Powertrain > Engine > Data List
Tester Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(i) Compare the Fuel Pressure (Low) / Fuel Pressure 2 value recorded with the engine running to the Fuel Pressure (Low) / Fuel Pressure 2 value currently shown on the GTS.
Result | Proceed to |
---|---|
Fuel Pressure (Low) / Fuel Pressure 2 value is maintained |
A |
Fuel Pressure (Low) / Fuel Pressure 2 value drops |
B |
HINT:
Perform "Inspection After Repair" after replacing the fuel pump (for low pressure side).
Click here
A | REPLACE FUEL PUMP (FOR LOW PRESSURE SIDE) |
B | REPLACE FUEL MAIN VALVE ASSEMBLY |
15. |
PERFORM ACTIVE TEST USING GTS (CONTROL THE FUEL PUMP DUTY RATIO (BRUSHLESS)) |
(a) Install the fuel pressure gauge (for low pressure line of low pressure side).
Click here
(b) Enter the following menus.
Powertrain > Engine > Active Test
Active Test Display |
---|
Control the Fuel Pump Duty Ratio (Brushless) |
Data List Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(c) Read the values in the Data List using the GTS and the fuel pressure gauge when the Active Test was performed.
GTS Operation | Result |
Proceed to |
---|---|---|
Low to High | Data List value does not change, but fuel pressure gauge changes |
A |
Data List value and fuel pressure gauge do not change |
B |
HINT:
Perform "Inspection After Repair" after replacing the fuel pressure sensor (for low pressure side).
Click here
A | REPLACE FUEL PRESSURE SENSOR (FOR LOW PRESSURE SIDE) |
B | REPLACE FUEL PUMP CONTROL ECU |
16. |
READ VALUE USING GTS (FUEL PRESSURE (LOW) / FUEL PRESSURE 2) |
(a) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(b) Start the engine.
(c) Enter the following menus.
Powertrain > Engine > Data List
Tester Display |
---|
Fuel Pressure (Low) |
(d) Record the Fuel Pressure (Low) / Fuel Pressure 2 value.
(e) Turn the ignition switch off.
(f) Discharge the fuel pressure.
HINT:
DTCs may be stored during this inspection. Check for DTCs and clear them using the GTS.
(1) Remove the EFI-MAIN NO. 2 fuse from the No. 1 engine room relay block and junction block assembly.
(2) Turn the ignition switch to ON.
(3) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(4) Start the engine.
(5) After the engine has stopped on its own, turn the ignition switch off.
HINT:
If the engine does not stop naturally, perform direct injection by racing the engine to reduce the fuel pressure [Fuel Pressure (High)] and stop the engine.
(6) Turn the ignition switch to ON.
(7) Put the engine in Inspection Mode (Maintenance Mode).
Powertrain > Hybrid Control > Utility
Tester Display |
---|
Inspection Mode |
(8) Crank the engine again and make sure that the engine does not start.
(9) Install the EFI-MAIN NO. 2 fuse.
(g) Enter the following menus.
Powertrain > Engine > Data List
Tester Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(h) Compare the Fuel Pressure (Low) / Fuel Pressure 2 value recorded with the engine running to the Fuel Pressure (Low) / Fuel Pressure 2 value currently shown on the GTS.
Result | Proceed to |
---|---|
Fuel Pressure (Low) / Fuel Pressure 2 value drops |
A |
Fuel Pressure (Low) / Fuel Pressure 2 value is maintained |
B |
HINT:
Perform "Inspection After Repair" after replacing the fuel pressure sensor (for low pressure side).
Click here
B | REPLACE FUEL PRESSURE SENSOR (FOR LOW PRESSURE SIDE) |
|
17. |
PERFORM ACTIVE TEST USING GTS (CONTROL THE FUEL PUMP DUTY RATIO (BRUSHLESS)) |
(a) Install the fuel pressure gauge (for low pressure line of low pressure side).
Click here
(b) Enter the following menus.
Powertrain > Engine > Active Test
Active Test Display |
---|
Control the Fuel Pump Duty Ratio (Brushless) |
Data List Display |
---|
Fuel Pressure (Low) / Fuel Pressure 2 |
(c) Compare the values in the Data List using the GTS and the fuel pressure gauge when the Active Test was performed.
Standard:
GTS Operation | Standard |
---|---|
Low | Data List value and fuel pressure gauge are within +/-50 kPa of each other |
High |
HINT:
Perform "Inspection After Repair" after replacing the fuel pressure sensor (for low pressure side).
Click here
NG | REPLACE FUEL PRESSURE SENSOR (FOR LOW PRESSURE SIDE) |
|
18. |
CLEAR DTC |
(a) Clear the DTCs.
Powertrain > Engine > Clear DTCs(b) Turn the ignition switch off and wait for at least 30 seconds.
|
19. |
CHECK WHETHER DTC OUTPUT RECURS (DTC P107A2A OR P107A64) |
(a) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
(b) Enter the following menus.
Powertrain > Engine > Utility
Tester Display |
---|
All Readiness |
(c) Input the DTC: P107A2A or P107A64.
(d) Check the DTC judgment result.
Result | Proceed to |
---|---|
NORMAL (DTCs are not output) |
A |
ABNORMAL (DTC P107A2A or P107A64 is output) |
B |
A | CHECK FOR INTERMITTENT PROBLEMS |
B | REPLACE ECM |