Code No.P2765: Turbine Speed Sensor Malfunction <Vehicles with Idle Neutral Control>
DIAGNOSTIC FUNCTION
JUDGMENT CRITERIA
- When the primary pulley speed is 1,000 r/min or more and the state of the
turbine speed being 150 r/min. or less continues for 5 seconds
- When the turbine speed drops rapidly from 1,000 r/min or more to 300 r/min or less
and that low speed state continues for 0.5 seconds
PROBABLE CAUSES
- Malfunction of turbine speed sensor
- Damaged wiring harness and connectors
- 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. Check for open circuit and short to earth in SSPW, TRBS line between the CVT assembly connector and the CVT-ECU connector. |
Q.
Is the check result normal?
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| Go to Step 3. |
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| Repair the connector(s) or wiring harness. |
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STEP 3. Check for open circuit in SGND line between the CVT assembly connector and the CVT-ECU connector. |
Q.
Is the check result normal?
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| Go to Step 4. |
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| Repair the connector(s) or wiring harness. |
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STEP 4. Diagnosis code recheck |
Q.
Is the diagnosis code set?
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| Go to Step 5. |
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| Intermittent malfunction. |
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STEP 5. Turbine speed sensor check |
| Disassemble the CVT and visually check the tip of the sensor for foreign materials or
damage. |
Q.
Is the check result normal?
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| Go to Step 6. |
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| Repair or replace. |
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STEP 6. Check for open circuit or short to earth in wiring harness between the CVT assembly connector and the turbine speed sensor connector. |
Q.
Is the check result normal?
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| After replacing the turbine speed sensor, go to Step 7. |
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| Replace the valve body harness. |
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STEP 7. Diagnosis code recheck |
Q.
Is the diagnosis code set?
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| Replace the CVT-ECU. |
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| The inspection is complete. |
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