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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Automatic Transmission Diagnosis - Re4F03 Series) >> Diagnostic Tests >> DTC P0740: TCC Solenoid Valve >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2002 Nissan Sentra, 2002 Infiniti G20, 2001 Nissan Sentra, and 2001 Infiniti G20. However, it is still accessible from the selected car via links, so may be relevant.
  1. With ignition off, disconnect transaxle harness connector. Measure resistance of TCC solenoid valve between terminal No. 5 (transaxle side) and ground. Resistance should be 5-20 ohms. If resistance is as specified, go to step  3. If resistance is not as specified, go to next step.
  2. Remove valve body assembly. See appropriate SERVICING article. Check TCC solenoid valve. See TORQUE CONVERTER CLUTCH SOLENOID VALVE  under COMPONENT TESTS. Check transaxle harness and connectors for open or short. Repair as necessary. After repairs, go to next step.
  3. With ignition off, disconnect TCM harness connector. Check for open or short between transaxle harness connector terminal No. 5 and TCM harness connector terminal No. 3. Repair circuit as necessary. After repairs, go to next step.
  4. Road test and perform DTC CONFIRMATION PROCEDURE . If DTC is still present, recheck applicable TCM input/output signals. See PIN VOLTAGE TESTS . If any voltage measured is not as specified, check TCM connector terminals for damage or loose connection to harness connector. Repair as necessary.
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