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) | - | |
| Clutch release with bearing cylinder assembly (Worn or damaged) | ||
| Clutch disc*1 (Worn or damaged) | ||
| Synchronizer ring (Input shaft) (Worn or damaged) | ||
| Synchronizer ring (Output shaft) (Worn or damaged) | ||
| Gear (Input shaft) (Worn or damaged) | ||
| Gear (Output shaft) (Worn or damaged) | ||
| Bearing (Input shaft) (Worn or damaged) | ||
| Bearing (Output shaft) (Worn or damaged) | ||
| Bearing (Differential case) (Worn or damaged) | ||
| Oil leak | Oil level (High) | |
| Gasket (Damaged) | ||
| Oil seal (Worn or damaged) | ||
| Clutch release with bearing cylinder assembly (Worn or damaged) | ||
| Hard shifting or impossible to shift | Oil (Wrong) | - |
| Clutch (Dragging) | ||
| Shift and select lever assembly (Worn or damaged) | ||
| Transmission control cable assembly (Faulty) | ||
| Shift fork (Input shaft) (Worn) | ||
| Shift fork (Output shaft) (Worn) | ||
| Synchronizer ring (Input shaft) (Worn or damaged) | ||
| Synchronizer ring (Output shaft) (Worn or damaged) | ||
| Shift key spring (Input shaft) (Worn or damaged) | ||
| Shift key spring (Output shaft) (Worn or damaged) | ||
| Gear (Input shaft) (Worn or damaged) | ||
| Gear (Output shaft) (Worn or damaged) | ||
| Hub sleeve (Input shaft) (Worn or damaged) | ||
| Hub sleeve (Output shaft) (Worn or damaged) | ||
| Jumps out of gear or shift lever moves excessively | Shift fork (Input shaft) (Worn) | |
| Shift fork (Output shaft) (Worn) | ||
| Hub sleeve (Input shaft) (Worn or damaged) | ||
| Hub sleeve (Output shaft) (Worn or damaged) | ||
| Gear (Input shaft) (Worn or damaged) | ||
| Gear (Output shaft) (Worn or damaged) | ||
| Bearing (Input shaft) (Worn or damaged) | ||
| Bearing (Output shaft) (Worn or damaged) |
*1: If the clutch torsional damper springs are worn, they can produce a load-related noise similar to a bad bearing or gear rattle.
| 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 | Clutch pedal stroke sensor assembly (for LHD) | |
| Clutch pedal stroke sensor assembly (for RHD) | ||
| Transmission revolution sensor | ||
| Installation condition of clutch components | ||
| Installation condition of manual transmission assembly components | ||
| ECM |