Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000025UOB
Model Year Start: 2023 Model: GR Corolla Prod Date Range: [09/2022 -           ]
Title: EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE SYSTEM: PROBLEM SYMPTOMS TABLE; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Manual Transmission

Symptom

Suspected Area

Link

Abnormal noise

Oil level (Low)

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE OIL: ON-VEHICLE INSPECTION 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE OIL: ON-VEHICLE INSPECTION

Oil (Wrong)

-

Clutch release with bearing cylinder assembly (Worn or damaged)

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; CLUTCH: CLUTCH UNIT (for EA67F / EA68F): REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; CLUTCH: CLUTCH UNIT (for EA67F / EA68F): REMOVAL

Clutch disc* (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; CLUTCH: CLUTCH UNIT (for EA67F / EA68F): INSPECTION

Synchronizer ring (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Synchronizer ring (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Gear (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Gear (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Bearing (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Bearing (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Bearing (Differential case) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE UNIT: DISASSEMBLY

Oil leak

Oil level (High)

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE OIL: ON-VEHICLE INSPECTION 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE OIL: ON-VEHICLE INSPECTION

Gasket (Damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE UNIT: DISASSEMBLY

Oil seal (for LH Side) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): DIFFERENTIAL OIL SEAL (for LH Side): REPLACEMENT

Oil seal (for RH Side) (Worn or damaged)

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): DIFFERENTIAL OIL SEAL (for RH Side): REPLACEMENT 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): DIFFERENTIAL OIL SEAL (for RH Side): REPLACEMENT

Clutch release with bearing cylinder assembly (Worn or damaged)

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; CLUTCH: CLUTCH UNIT (for EA67F / EA68F): REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; CLUTCH: CLUTCH UNIT (for EA67F / EA68F): REMOVAL

Hard shifting or impossible to shift

Oil (Wrong)

-

Clutch (Dragging)

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; CLUTCH: CLUTCH UNIT (for EA67F / EA68F): REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; CLUTCH: CLUTCH UNIT (for EA67F / EA68F): REMOVAL

Shift and select lever assembly (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): SHIFT AND SELECT LEVER SHAFT: DISASSEMBLY

Transmission control cable assembly (Faulty)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): TRANSMISSION CONTROL CABLE: REMOVAL

Shift fork (Input shaft) (Worn)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Shift fork (Output shaft) (Worn)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Synchronizer ring (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Synchronizer ring (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Shift key spring (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: DISASSEMBLY

Shift key spring (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: DISASSEMBLY

Gear (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Gear (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Hub sleeve (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Hub sleeve (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Jumps out of gear or shift lever moves excessively

Shift fork (Input shaft) (Worn)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Shift fork (Output shaft) (Worn)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Hub sleeve (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Hub sleeve (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Gear (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Gear (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

Bearing (Input shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): INPUT SHAFT: INSPECTION

Bearing (Output shaft) (Worn or damaged)

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): OUTPUT SHAFT: INSPECTION

*: If the clutch torsional damper springs or flywheel torsional damper springs are worn, they can produce a load-related noise similar to a bad bearing or gear rattle.

iMT System

Symptom

Suspected Area

Link

iMT indicator light does not illuminate

CAN communication system

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model TMC Made): HOW TO PROCEED WITH TROUBLESHOOTING 2023 MY Corolla Corolla Hatchback GR Corolla [11/2022 - 08/2023]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING 2024 - 2025 MY Corolla Corolla Hatchback GR Corolla [08/2023 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

Combination meter assembly

2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for 12.3 Inch Display): HOW TO PROCEED WITH TROUBLESHOOTING 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [11/2022 -        ]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for 12.3 Inch Display): HOW TO PROCEED WITH TROUBLESHOOTING

Pattern select switch iMT mode circuit

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE SYSTEM: Pattern Select Switch iMT Mode Circuit

ECM

2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE

Blipping does not operate and engine speed does not increase sufficiently or increases too much

Clutch pedal stroke sensor assembly

2020 - 2025 MY Corolla Corolla Hatchback GR Corolla [01/2019 -        ]; CLUTCH: CLUTCH STROKE SENSOR: ON-VEHICLE INSPECTION

Transmission revolution sensor

2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [09/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): SPEED SENSOR: INSPECTION

Installation condition of clutch components

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; CLUTCH: CLUTCH UNIT (for EA67F / EA68F): REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; CLUTCH: CLUTCH UNIT (for EA67F / EA68F): REMOVAL

Installation condition of manual transmission assembly components

2023 MY Corolla Corolla Hatchback GR Corolla [09/2022 - 11/2022]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE ASSEMBLY: REMOVAL 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 -        ]; EA67F / EA68F (MANUAL TRANSMISSION / TRANSAXLE): MANUAL TRANSAXLE ASSEMBLY: REMOVAL

ECM

2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE