DIAGNOSTIC PROCEDURE |
STEP 1. M.U.T.-III data list |
Item 02: Secondary speed sensor signal (Refer to Service Data Table .) |
Q.
Is the check result normal?
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Intermittent malfunction |
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Go to Step 2. |
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STEP 2. Check for open circuit in SGND line between the secondary pulley speed sensor 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 and short to earth in SECS line between the secondary pulley speed sensor 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. Check for open circuit in power supply line between the CVT control relay and the secondary pulley speed sensor connector |
Q.
Is the check result normal?
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Go to Step 5. |
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Repair the connector(s) or wiring harness. |
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STEP 5. Secondary pulley speed sensor check |
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. |
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STEP 6. Diagnosis code recheck after replacing the secondary pulley speed sensor |
Q.
Is the check result normal?
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The inspection is complete. |
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Replace CVT-ECU. |
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