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AUTOMATIC TRANSMISSION – Troubleshooting <A/T> 23-6 Code No. 31, 32 Input shaft speed sensor system, output Probable cause If no output pulse is detected from the input shaft speed sensor for 120 seconds Malfunction of the input shaft speed sensor Malfunction of the output shaft speed sensor Malfunction of harness or connector Malfunction of the sensor rotor Malfunction of A/T-ECU Electrical noise *: Refer to ’00 PAJERO PININ Workshop Manual (Pub. No. CKRE00E1). : Refer to the Transmission Workshop Manual NG OK NG Repair Eliminate a source of electrical noise. Input shaft speed sensor check (Refer to P.23-41).* OK NG Repair OK NG Check the trouble symptoms. Check the sensor rotor. Check the trouble symptoms. Replace the input shaft speed sensor and output shaft speed sensor. Replace the A/T-ECU. NG Repair OK Check the following connectors: B-03, D-46 NG Repair OK Harness check Between the input shaft speed sensor and the A/T-ECU Between the output shaft speed sensor and the A/T-ECU NG Check the trouble symptoms. |