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(P0715) N2 INPUT SPEED SENSOR CIRCUIT (CONTINUED) 10. CHECKING N2 INPUT SPEED SENSOR W/ LAB SCOPE With the ignition off. Reconnect the TCM C2 harness connector. Reconnect the Transmission Solenoid Assembly harness connector. With the DRB III T /PEP Module being used as a Dual Channel Lab Scope with Special Tool #6801, backprobe N2 Input Speed Sensor WARNING: PROPERLY SUPPORT VEHICLE. Start the engine. WARNING: BE SURE TO KEEP HANDS AND FEET CLEAR OF Compare the scope pattern on the DRB III T with a typical 5 volt square wave pattern. Does the scope pattern match a typical 5 volt square wave signal scope pattern? Yes >> Replace the Transmission Control Module. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MOD- ULES/TRANSMISSION CONTROL MODULE - REMOVAL). Perform NAG1 TRANSMISSION VERIFICATION TEST. No >> Replace the N2 Input Speed Sensor. (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTOMATIC - NAG1/ELECTROHYDRAULIC UNIT - REMOVAL). Perform NAG1 TRANSMISSION VERIFICATION TEST. 11. INTERMITTENT WIRING AND CONNECTORS The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible Using the schematics as a guide, inspect the wiring and connectors specific to this circuit. Wiggle the wires while checking for shorts and open circuits. Note: Check for any Technical Service Bulletins that may apply. Were any problems found? Yes >> Repair as necessary. Perform NAG1 TRANSMISSION VERIFICATION TEST. No >> Test Complete. ZH NAG1 - ELECTRICAL DIAGNOSTICS 21 - 105 |