Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001GYS3 |
Model Year Start: 2020 |
Model: Corolla Hatchback |
Prod Date Range: [01/2019 - 11/2022] |
Title: K313 (CVT): CONTINUOUSLY VARIABLE TRANSAXLE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2020 - 2023 MY Corolla Corolla Hatchback [01/2019 - 11/2022] |
HOW TO PROCEED WITH TROUBLESHOOTING
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CAUTION / NOTICE / HINT
HINT:
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Use the following procedure to troubleshoot the continuously variable transaxle system.
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*: Use the Techstream.
PROCEDURE
1.
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VEHICLE BROUGHT TO WORKSHOP
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NEXT
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2.
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CUSTOMER PROBLEM ANALYSIS
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(a) Refer to How to Troubleshoot ECU Controlled Systems in Introduction.
Click here
NEXT
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3.
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INSPECT BATTERY VOLTAGE
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Standard Voltage:
11 to 14 V
HINT:
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
NEXT
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4.
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CHECK CAN COMMUNICATION SYSTEM*
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(a) Using the Techstream, check if the CAN communication system is functioning normally.
CAN Bus Check
Result
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Proceed to
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CAN communication system DTCs are not output.
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A
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CAN communication system DTCs are output.
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B
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A
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5.
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CHECK AND CLEAR DTCS AND FREEZE FRAME DATA*
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(a) Refer to DTC Check/Clear.
Click here
NEXT
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6.
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SETTING CHECK MODE DIAGNOSIS*
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(a) Refer to Check Mode Procedure.
Click here
NEXT
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(a) Proceed to DTC Check/Clear.
Click here
Powertrain > Engine and ECT > Trouble Codes
Result
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Proceed to
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DTCs are not output.
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A
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DTCs are output.
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B
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A
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(a) Refer to Continuously Variable Transaxle Fluid.
Click here
(b) Refer to Park/Neutral Position Switch.
Click here
(c) Refer to Shift Lever.
Click here
OK
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9.
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PROBLEM SYMPTOMS CONFIRMATION
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(a) Refer to Road Test.
Click here
(b) Refer to Mechanical System Tests.
Click here
(c) Refer to Hydraulic Test.
Click here
Result
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Proceed to
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Symptom does not occur
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A
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Symptom occurs
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B
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A
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(a) Refer to Symptom Simulation.
Click here
NEXT
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NEXT
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12.
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REPAIR OR REPLACEMENT
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NEXT
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NEXT |
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END
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14.
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DIAGNOSTIC TROUBLE CODE CHART
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(a) Proceed to Diagnostic Trouble Code Chart.
Click here
NEXT
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NEXT
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16.
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IDENTIFICATION OF PROBLEM
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NEXT
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17.
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REPAIR OR REPLACEMENT
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NEXT
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NEXT |
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END
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