Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000002B9WW |
Model Year Start: 2023 |
Model: Corolla Hatchback |
Prod Date Range: [03/2023 -
] |
Title: K120 / K121 (CVT): REVOLUTION SENSOR (NC1 SENSOR): REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback [03/2023 - ] |
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed, or replaced during transmission revolution sensor (NC1) removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced
Replacement Part or Procedure
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Necessary Procedure
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Effect/Inoperative when not Performed
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Link
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Replacement of CVT fluid
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ATF thermal degradation estimate reset
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The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly
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for K120:
for K121:
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Replacement of transmission valve body assembly
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for K120
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Reset transaxle compensation code
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Perform reset memory
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CVT oil pressure calibration
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Perform road test to allow TCM to learn
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Large shift shock
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Deterioration of fuel efficiency
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Initialization:
Registration:
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for K121
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Reset transaxle compensation code
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Perform reset memory
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CVT oil pressure calibration
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Perform road test to allow ECM to learn
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Large shift shock
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Deterioration of fuel efficiency
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Initialization:
Registration:
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PROCEDURE
1. REMOVE TRANSMISSION VALVE BODY ASSEMBLY
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for K120:
Click here
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for K121:
Click here
2. REMOVE TRANSMISSION REVOLUTION SENSOR (NC1)
(a) Disconnect the transmission revolution sensor (NC1) connector.
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(b) Remove the bolt and transmission revolution sensor (NC1) from the transaxle case sub-assembly.
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