- DTC judgment completed
- System normal
| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001BGVT |
| Model Year Start: 2019 | Model: Corolla Hatchback | Prod Date Range: [06/2018 - 03/2019] |
| Title: M20A-FKS (ENGINE CONTROL): SFI SYSTEM: P001400,P001500; Camshaft Position "B" - Timing Over-Advanced or System Performance Bank 1; 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 03/2019] | ||
|
DTC |
P001400 |
Camshaft Position "B" - Timing Over-Advanced or System Performance Bank 1 |
|
DTC |
P001500 |
Camshaft Position "B" - Timing Over-Retarded Bank 1 |
DESCRIPTION
Refer to DTC P001313.
Click here
![2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 03/2019]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: P001313; Camshaft Position "B" - Actuator Bank 1 Circuit Open+](/t3Portal/stylegraphics/info.gif)
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
MIL |
Memory |
Note |
|---|---|---|---|---|---|---|
|
P001400 |
Camshaft Position "B" - Timing Over-Advanced or System Performance Bank 1 |
Exhaust valve timing is stuck at a certain value when in the advance range (2 trip detection logic). |
|
Comes on |
DTC stored |
SAE Code: P0014 |
|
P001500 |
Camshaft Position "B" - Timing Over-Retarded Bank 1 |
Exhaust valve timing is stuck at a certain value when in the retard range (1 trip detection logic). |
|
Comes on |
DTC stored |
SAE Code: P0015 |
MONITOR DESCRIPTION
The ECM optimizes the exhaust valve timing using the Variable Valve Timing (VVT) system to control the exhaust camshaft. The VVT system includes the ECM, cam timing oil control solenoid assembly, camshaft timing oil control valve assembly and camshaft timing exhaust gear assembly. The ECM sends a target duty-cycle control signal to the cam timing oil control solenoid assembly. The camshaft timing oil control valve assembly is operated to control the oil pressure supplied to the camshaft timing exhaust gear assembly based on this signal. The camshaft timing gear assembly can advance or retard the exhaust camshaft.
If the difference between the target and actual exhaust valve timing is large, and changes in the actual exhaust valve timing are small, the ECM interprets this as the camshaft timing exhaust gear assembly stuck malfunction and stores a DTC.
- Example:
-
A DTC is stored when the following conditions are met:
- It takes 5 seconds or more to change the valve timing by 5°CA.
- After the above condition is met, the cam timing oil control solenoid assembly is forcibly activated for 9.5 seconds.
These DTCs indicate that the camshaft timing exhaust gear assembly cannot operate properly due to a camshaft timing oil control valve assembly malfunction or the presence of foreign matter in the camshaft timing oil control valve assembly.
MONITOR STRATEGY
|
Related DTCs |
P0014: Advanced camshaft timing (for exhaust camshaft) P0015: Retarded camshaft timing (for exhaust camshaft) |
|
Required Sensors/Components (Main) |
Cam timing oil control solenoid assembly Camshaft timing oil control valve assembly Camshaft timing exhaust gear assembly |
|
Required Sensors/Components (Related) |
Crankshaft position sensor Camshaft position sensor Engine coolant temperature sensor |
|
Frequency of Operation |
Continuous |
|
Duration |
Within 10 seconds |
|
MIL Operation |
Advanced camshaft timing: 2 driving cycles Retarded camshaft timing: Immediate |
|
Sequence of Operation |
None |
TYPICAL ENABLING CONDITIONS
|
Monitor runs whenever the following DTCs are not stored |
P0013 (Exhaust VVT oil control solenoid) P0017 (Exhaust VVT system - misalignment) P0101, P0102, P0103 (Mass air flow meter) P0107, P0108 (Manifold absolute pressure) P0117, P0118 (Engine coolant temperature sensor) P0125 (Insufficient coolant temperature for closed loop fuel control) P0335, P0337, P0338 (Crankshaft position sensor) P0340, P0342, P0343 (Camshaft position sensor) P0365, P0367, P0368 (Exhaust camshaft position sensor) |
|
Battery voltage |
11 V or higher |
|
Engine speed |
500 to 4000 rpm |
|
Engine coolant temperature |
75 to 100°C (167 to 212°F) |
TYPICAL MALFUNCTION THRESHOLDS
P0014: Advanced Camshaft Timing
|
Both of the following conditions are met |
- |
|
Deviation of actual valve timing and target valve timing |
More than 5°CA (Crankshaft Angle) for 5 seconds or more after the VVT hold duty ratio learned value reaches the upper or lower limit |
|
Valve timing |
No change at advanced valve timing |
P0015: Retarded Camshaft Timing
|
Both of the following conditions are met |
- |
|
Deviation of actual valve timing and target valve timing |
More than 5°CA (Crankshaft Angle) for 5 seconds or more after the VVT hold duty ratio learned value reaches the upper or lower limit |
|
Valve timing |
No change at retarded valve timing |
If the difference between the target and actual camshaft timing is greater than the specified value, the ECM operates the VVT actuator for 10 seconds by applying and releasing oil pressure. Then, the ECM monitors the camshaft timing change for 10 seconds.
MONITOR RESULT
Refer to detailed information in Checking Monitor Status.
Click here
P0014, P0015: Exhaust Gas Recirculation/VVT / EX VVT STUCK B1
|
Monitor ID |
Test ID |
Scaling |
Unit |
Description |
|---|---|---|---|---|
|
$35 |
$85 |
Multiply by 0.01 |
Second |
Forced movement of oil control solenoid time |
CONFIRMATION DRIVING PATTERN
HINT:
-
After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
Click here
-
When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
Click here
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the engine switch off and wait for at least 30 seconds.
- Turn the engine switch on (IG) [A].
- Turn the Techstream on.
- Start the engine and warm it up until the engine coolant temperature reaches 75°C (167°F) or higher [B].
-
Drive the vehicle at approximately 60 km/h (37 mph) for 10 minutes or more [C].
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
- Idle the engine for 3 minutes or more [D].
- Enter the following menus: Powertrain / Engine / Trouble Codes [E].
-
Read the pending DTCs.
HINT:
- If a pending DTC is output, the system is malfunctioning.
- If a pending DTC is not output, perform the following procedure.
- Enter the following menus: Powertrain / Engine / Utility / All Readiness.
- Input the DTC: P001400 or P001500.
-
Check the DTC judgment result.
Techstream Display
Description
NORMAL
ABNORMAL
- DTC judgment completed
- System abnormal
INCOMPLETE
- DTC judgment not completed
- Perform driving pattern after confirming DTC enabling conditions
HINT:
- If the judgment result is NORMAL, the system is normal.
- If the judgment result is ABNORMAL, the system has a malfunction.
- If the judgment result is INCOMPLETE, perform steps [F] through [H].
-
[A] to [E]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
- When clearing the permanent DTCs, do not disconnect the cable from the battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.
-
Repeat the pattern of accelerating the vehicle from rest to approximately 60 km/h (37 mph) and then decelerating the vehicle 10 to 15 times [F].
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
HINT:
Depress the accelerator pedal by a large amount.
- Idle the engine for 3 minutes or more [G].
- Enter the following menus: Powertrain / Engine / Trouble Codes [H].
-
Read the pending DTCs.
HINT:
- If a pending DTC is output, the system is malfunctioning.
- If a pending DTC is not output, perform the following procedure.
-
Check the DTC judgment result again.
HINT:
- If the judgment result is NORMAL, the system is normal.
- If the judgment result is ABNORMAL, the system has a malfunction.
-
[A] to [H]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
- When clearing the permanent DTCs, do not disconnect the cable from the battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.
WIRING DIAGRAM
Refer to DTC P001313.
Click here
CAUTION / NOTICE / HINT
HINT:
- DTC P001400 or P001500 may be stored when foreign matter in the engine oil is caught in some parts of the system. The DTC will remain stored even if the system returns to normal after a short time. This foreign matter may then be captured by the oil filter.
- 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. |
CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P001400 OR P001500) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Trouble Codes.
(e) Read the DTCs.
Powertrain > Engine > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC P001400 or P001500 is output |
A |
|
DTC P001400 or P001500 and other DTCs are output |
B |
HINT:
If any DTCs other than P001400 or P001500 are output, troubleshoot those DTCs first.
| B |
|
GO TO DTC CHART
|
|
|
2. |
PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE EXHAUST VVT OCV DUTY RATIO BANK 1) |
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Active Test / Control the Exhaust VVT OCV Duty Ratio Bank 1.
Powertrain > Engine > Active Test
|
Tester Display |
|---|
|
Control the Exhaust VVT OCV Duty Ratio Bank 1 |
(e) Check the engine speed while operating the cam timing oil control solenoid assembly using the Techstream.
OK:
|
Techstream Operation |
Engine Condition |
|---|---|
|
0% |
Normal engine speed |
|
100% |
Engine idles roughly or stalls |
HINT:
Refer to "Data List / Active Test" [Exhaust VVT Hold Learn Value Bank 1, Exhaust VVT Change Angle Bank 1, Exhaust VVT OCV Control Duty Ratio Bank 1 and Exhaust VVT Target Angle Bank 1].
Click here
| NG |
|
|
|
3. |
CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Clear the DTCs.
Powertrain > Engine > Clear DTCs
(e) Turn the engine switch off and wait for at least 30 seconds.
|
|
4. |
CHECK WHETHER DTC OUTPUT RECURS (DTC P001400 OR P001500) |
(a) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
(b) Enter the following menus: Powertrain / Engine / Trouble Codes.
(c) Read the DTCs.
Powertrain > Engine > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTC P001400 or P001500 is output |
B |
HINT:
DTC P001400 or P001500 may be stored when foreign matter in the engine oil is caught in some parts of the system. The DTC will remain stored even if the system returns to normal after a short time. That foreign matter may then be captured by the oil filter.
| A |
|
|
|
5. |
INSPECT CAM TIMING OIL CONTROL SOLENOID ASSEMBLY |
(a) Inspect the cam timing oil control solenoid assembly.
Click here
| NG |
|
|
|
6. |
INSPECT EXHAUST CAMSHAFT TIMING GEAR BOLT ASSEMBLY (CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY) |
(a) Inspect the exhaust camshaft timing gear bolt assembly.
Click here
| NG |
|
|
|
7. |
CHECK VALVE TIMING (CHECK FOR LOOSE AND JUMPED TEETH ON TIMING CHAIN) |
|
*a |
Timing Mark |
|
*b |
TDC Timing Mark |
|
*c |
Groove |
(a) Remove the cylinder head cover sub-assembly.
(b) Turn the crankshaft pulley and align its groove with the TDC timing mark of the timing chain cover.
(c) Check that the timing marks of the camshaft timing gear assembly and camshaft timing exhaust gear assembly are at the positions shown in the illustration.
HINT:
If the timing marks are not as shown, turn the crankshaft one revolution clockwise.
OK:
Timing marks on camshaft timing gear assembly and camshaft timing exhaust gear assembly are at the positions shown in the illustration.
HINT:
If the result is not as specified, check for mechanical malfunctions that may have affected the valve timing, such as a jumped tooth or stretching of the timing chain.
| OK |
|
|
|
8. |
CHECK ENGINE MECHANICAL SYSTEM |
(a) Check for mechanical malfunctions that affect the valve timing, such as a jumped tooth or stretching of the timing chain.
HINT:
Perform "Inspection After Repair" after repairing or replacing the engine mechanical system.
Click here
| NG |
|
REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA |
|
|
9. |
CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Clear the DTCs.
Powertrain > Engine > Clear DTCs
(e) Turn the engine switch off and wait for at least 30 seconds.
|
|
10. |
CHECK WHETHER DTC OUTPUT RECURS (DTC P001400 OR P001500) |
(a) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
(b) Enter the following menus: Powertrain / Engine / Trouble Codes.
(c) Read the DTCs.
Powertrain > Engine > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTC P001400 or P001500 is output |
B |
| A |
|
| B |
|
REPLACE ECM
|
|
11. |
REPLACE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY |
(a) Replace the cam timing oil control solenoid assembly.
Click here
|
|
12. |
INSPECT EXHAUST CAMSHAFT TIMING GEAR BOLT ASSEMBLY (CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY) |
(a) Inspect the exhaust camshaft timing gear bolt assembly.
Click here
| OK |
|
|
|
13. |
REPLACE EXHAUST CAMSHAFT TIMING GEAR BOLT ASSEMBLY (CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY) |
(a) Replace the exhaust camshaft timing gear bolt assembly.
Click here
|
|
14. |
PERFORM ACTIVE TEST USING TECHSTREAM (CONTROL THE EXHAUST VVT OCV DUTY RATIO BANK 1) |
(a) Connect the Techstream to the DLC3.
(b) Start the engine.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / Active Test / Control the Exhaust VVT OCV Duty Ratio Bank 1.
Powertrain > Engine > Active Test
|
Tester Display |
|---|
|
Control the Exhaust VVT OCV Duty Ratio Bank 1 |
(e) Check the engine speed while operating the cam timing oil control solenoid assembly using the Techstream.
OK:
|
Techstream Operation |
Engine Condition |
|---|---|
|
0% |
Normal engine speed |
|
100% |
Engine idles roughly or stalls |
HINT:
Refer to "Data List / Active Test" [Exhaust VVT Hold Learn Value Bank 1, Exhaust VVT Change Angle Bank 1, Exhaust VVT OCV Control Duty Ratio Bank 1 and Exhaust VVT Target Angle Bank 1].
Click here
| OK |
|
END |
|
|
15. |
REPLACE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY |
(a) Replace the camshaft timing exhaust gear assembly.
Click here
HINT:
Perform "Inspection After Repair" after replacing the camshaft timing exhaust gear assembly.
Click here
|
|
16. |
CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Clear the DTCs.
Powertrain > Engine > Clear DTCs
(e) Turn the engine switch off and wait for at least 30 seconds.
|
|
17. |
CHECK WHETHER DTC OUTPUT RECURS (DTC P001400 OR P001500) |
(a) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
(b) Enter the following menus: Powertrain / Engine / Trouble Codes.
(c) Read the DTCs.
Powertrain > Engine > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTCs are not output |
A |
|
DTC P001400 or P001500 is output |
B |
| A |
|
END |
| B |
|
REPLACE ECM
|
|
|