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TROUBLESHOOTING CVT 23A-22 STEP 3. Check for open circuit and short to earth Q: Is the check result normal? YES : Go to Step 4. NO : Repair the connector(s) or wiring harness. STEP 4. Check for open circuit in the power Q: Is the check result normal? YES : Go to Step 5. NO : Repair the connector(s) or wiring harness. STEP 5. Primary pulley speed sensor check Q: Is the check result normal? YES : Go to Step 6. NO : Repair. STEP 6. Diagnosis code recheck after replacing Q: Is the check result normal? YES : The inspection is complete. NO : Replace CVT-ECU. Code No. P071B Malfunction of Ds position switch <Vehicles without paddle shift> DIAGNOSTIC FUNCTION The CVT-ECU detects that the Ds position switch is JUDGMENT CRITERIA The Ds position switch remains ON for five seconds PROBABLE CAUSES • Malfunction of Ds position switch • Damaged wiring harness and connectors • Malfunction of CVT-ECU DIAGNOSTIC PROCEDURE STEP 1. M.U.T.-III data list OK: Turns ON when the selector lever is at Q: Is the check result normal? YES : Intermittent malfunction NO : Go to Step 2 STEP 2. Ds position switch single unit check Q: Is the check result normal? YES : Go to Step 3 NO : Replace the selector lever assembly. STEP 3. Check for short to earth in INHS line Q: Is the check result normal? YES : Go to Step 4 NO : Repair the connector(s) or wiring harness. STEP 4. Check for open circuit in earth line Q: Is the check result normal? YES : Go to Step 5 NO : Repair the connector(s) or wiring harness. STEP 5. Symptom recheck after erasing Q: Is the check result normal? YES : Intermittent malfunction NO : Replace CVT-ECU. Code No. P0720: Malfunction of Secondary Pulley Speed Sensor DIAGNOSTIC FUNCTION CVT-ECU determines that the malfunction is present changes abruptly or when there is a discrepancy |