Tech Tips
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.
| Symptom | Suspected Area | Link |
|---|---|---|
| Abnormal noise | Oil level (Low) | |
| Oil (Wrong) | - | |
| Synchronizer ring (Input shaft) (Worn or damaged) | ||
| Synchronizer ring (Output shaft) (Worn or damaged) | ||
| Synchronizer ring (Counter shaft) (Worn or damaged) | ||
| Gear (Input shaft) (Worn or damaged) | ||
| Gear (Output shaft) (Worn or damaged) | ||
| Gear (Counter shaft) (Worn or damaged) | ||
| Bearing (Input shaft) (Worn or damaged) | ||
| Bearing (Output shaft) (Worn or damaged) | ||
| Bearing (Counter shaft) (Worn or damaged) | ||
| Oil leak | Oil level (High) | |
| Gasket (Damaged) | ||
| O-ring (Worn or damaged) | ||
| Manual transmission extension housing oil seal (Worn or damaged) | ||
| Transmission case oil seal (Worn or damaged) | ||
| Hard shifting or impossible to shift | Oil (Wrong) | - |
| Clutch (Dragging) | ||
| Shift fork (Input shaft) (Worn) | ||
| Shift fork (Counter shaft) (Worn) | ||
| Synchronizer ring (Input shaft) (Worn or damaged) | ||
| Synchronizer ring (Output shaft) (Worn or damaged) | ||
| Synchronizer ring (Counter shaft) (Worn or damaged) | ||
| Shift key spring (Input shaft) (Worn or damaged) | ||
| Shift key spring (Counter shaft) (Worn or damaged) | ||
| Gear (Input shaft) (Worn or damaged) | ||
| Gear (Output shaft) (Worn or damaged) | ||
| Gear (Counter shaft) (Worn or damaged) | ||
| Hub sleeve (Input shaft) (Worn or damaged) | ||
| Hub sleeve (Counter shaft) (Worn or damaged) | ||
| Bush (Floor shift control shift lever retainer sub-assembly) (Worn or damaged) | - | |
| Jumps out of gear or shift lever moves excessively | Shift detent ball spring (Damaged) | |
| Shift fork (Input shaft) (Worn) | ||
| Shift fork (Counter shaft) (Worn) | ||
| Hub sleeve (Input shaft) (Worn or damaged) | ||
| Hub sleeve (Counter shaft) (Worn or damaged) | ||
| Gear (Input shaft) (Worn or damaged) | ||
| Gear (Output shaft) (Worn or damaged) | ||
| Gear (Counter shaft) (Worn or damaged) | ||
| Bearing (Input shaft) (Worn or damaged) | ||
| Bearing (Output shaft) (Worn or damaged) | ||
| Bearing (Counter shaft) (Worn or damaged) |
| Symptom | Suspected Area | Link |
|---|---|---|
| iMT indicator light does not illuminate | CAN communication system | |
| Combination meter assembly | ||
| Pattern select switch iMT mode circuit | ||
| ECM | ||
| Blipping does not operate and engine speed does not increase sufficiently or increases too much | Master cylinder assembly (clutch stroke sensor) | |
| Transmission revolution sensor | ||
| Installation condition of clutch components | ||
| Installation condition of manual transmission assembly components | ||
| ECM |