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P0715-INPUT SPEED SENSOR 1 CIRCUIT (CONTINUED) For the Transmission circuit diagram (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - 42RLE - SCHE- For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes (T52) INPUT SPEED SENSOR SIGNAL CIRCUIT OPEN (T13) SPEED SENSOR GROUND CIRCUIT OPEN (T52) INPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO GROUND (T52) INPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE (T13) SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE INPUT SPEED SENSOR POWERTRAIN CONTROL MODULE Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 21 - TRANSMIS- Theory of Operation The transmission system uses two speed sensors, one to measure input RPM and one to measure output RPM. Diagnostic Test 1. CHECK TO SEE IF DTC P0715 IS CURRENT Start the engine. Place the shifter in park. With the scan tool , read the Input Speed Sensor RPM. Is the Input Speed Sensor reading below 400 RPM? Yes >> Go To 2 No >> Go To 10 21 - 116 AUTOMATIC TRANSMISSION 42RLE - ELECTRICAL DIAGNOSTICS ND |