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P0715-INPUT SPEED SENSOR 1 CIRCUIT (CONTINUED) 2. INPUT SPEED SENSOR Turn the ignition off to the lock position. Remove the Starter Relay. NOTE: Removal of the Starter Relay is to prevent a Transmission, NO RESPONSE, condition and disable the NOTE: Check connectors - Clean/repair as necessary. With the Transmission Simulator, set the selector switch to 3000/1000 and the Input/Output switch to ON. With the scan tool, monitor the Input and Output Speed Sensor RPM. Does the Input speed read 3000 RPM and the Output speed read 1000 RPM ± 50 RPM? Yes >> Replace the Input Speed Sensor per the Service Information. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. No >> Go To 3 3. (T52) INPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE Turn the ignition off to the lock position. Disconnect the PCM C4 harness connector and connect Miller tool NOTE: Make sure to leave the Speed Sensor, Transmission Sole- CAUTION: Do not probe the PCM harness connectors. Probing Place a jumper wire between the (A104) Fused B+ circuit and the Ignition on, engine not running. Measure the voltage of the (T52) Input Speed Sensor Signal circuit. Is the voltage above 0.5 volts? Yes >> Repair the (T52) Input Speed Sensor Signal circuit for a short to voltage. Perform (NGC) 45RFE/545RFE TRANSMISSION VERIFI- No >> Go To 4 21 - 456 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS ND |