DTC P106A-62: Evaporative Emission System Pressure / Intake Air Pressure Signal Compare Failure; DTC P106C-62: Evaporative Emission System Pressure/Barometric Pressure Signal Compare Failure [11/2021 - 03/2022]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P106A-62 AND/OR P106C-62)
- Read the DTCs.
Powertrain > Engine > Trouble Codes
Result
Result Proceed to DTC P106A-62 is output A DTC P106C-62 is output B DTC P106A-62 and P106C-62 are output C DTC P106A-62 and/or P106C-62 and other DTCs are output D HINT:
If any DTCs other than P106A-62 and/or P106C-62 are output, troubleshoot those DTCs first.
Result:
B
See step 3
Result:
C
See step 4
Result:
D
GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 03/2022]
Result:
A
See step 2
- Read the DTCs.
- REPLACE MANIFOLD ABSOLUTE PRESSURE SENSOR
Refer to REMOVAL [11/2021 - ]
Result
Proceed to NEXT Result:
NEXT
See step 5
- REPLACE ECM (ATMOSPHERIC PRESSURE SENSOR)
Refer to REMOVAL [11/2021 - ]
Result
Proceed to NEXT Result:
NEXT
See step 5
- REPLACE CANISTER PUMP MODULE
Refer to REMOVAL [11/2021 - ]
Result
Proceed to NEXT Result:
NEXT
See step 5
- CLEAR DTC
- Clear the DTCs.
Powertrain > Engine > Clear DTCs
- Turn the ignition switch off and wait for at least 30 seconds.
Result
Proceed to NEXT
Result:
NEXT
See step 6
- Clear the DTCs.
- CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED
- Confirm that the difference between Intake Manifold Absolute Pressure and Vapor Pressure Pump is 8.69 kPa (1.26 psi) or less.
Powertrain > Engine > Data List
Tester Display Intake Manifold Absolute Pressure Vapor Pressure Pump - Confirm that the difference between Atmospheric Pressure and Vapor Pressure Pump is 7.89 kPa (1.14 psi) or less.
Powertrain > Engine > Data List
Tester Display Atmospheric Pressure Vapor Pressure Pump Result
Proceed to NEXT
Result:
NEXT
END
- Confirm that the difference between Intake Manifold Absolute Pressure and Vapor Pressure Pump is 8.69 kPa (1.26 psi) or less.