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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Automatic Transmission Diagnosis - Re4R01A) >> Component Tests >> Engine Revolution Signal Circuit (Tach Signal)

Engine Revolution Signal Circuit (Tach Signal)

WARNING: This page is about a different car, the 2002 Infiniti QX4, 2001 Nissan Pathfinder, and 2001 Infiniti QX4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For more information, see DTC P0201 in appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.

Start engine and idle. Measure voltage (backprobe) between TCM terminal No. 39 and ground. Voltage should vary from .5-1.5 volt. If voltage is within specification, 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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