Code No. P0746: Abnormality in Hydraulic Control System Function
DIAGNOSTIC FUNCTION
JUDGMENT CRITERIA
PROBABLE CAUSES
- Abnormal line pressure
- Malfunction of CVT-ECU
DIAGNOSTIC PROCEDURE |
STEP 1. Check other diagnosis codes. |
Q.
Are other diagnosis codes set?
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 Carry out the appropriate troubleshooting. |
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 Go to Step 2. |
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STEP 2. M.U.T.-III data list |
Item 33: Line pressure solenoid output current (Refer to Service Data Table  .) |
Q.
Is the check result normal?
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| Intermittent malfunction |
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| Go to Step 3. |
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STEP 3. Line Pressure Check |
| Carry out "hydraulic test"(Refer to ). |
Q.
Is the check result normal?
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| Go to Step 4. |
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| Repair according to the hydraulic pressure diagnosis table. |
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STEP 4. Symptom recheck after erasing diagnosis code |
Q.
Is the check result normal?
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| Intermittent malfunction |
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| Replace CVT-ECU. |
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