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TM-206 < DTC/CIRCUIT DIAGNOSIS > [4AT: RE4F03C] P0979 SHIFT SOLENOID C P0979 SHIFT SOLENOID C DTC Logic INFOID:0000000009267987 DTC DETECTION LOGIC DTC REPRODUCTION PROCEDURE CAUTION: Be careful of the driving speed. 1. PREPARATION BEFORE WORK If another “DTC CONFIRMATION PROCEDURE” occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test. >> GO TO 2. 2. CHECK DTC DETECTION 1. Drive the vehicle. 2. Maintain the following conditions for 5 seconds or more. 3. Stop the vehicle. 4. Check the first trip DTC. YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009267988 1. CHECK CIRCUIT BETWEEN TCM AND A/T UNIT 1. Turn ignition switch OFF. 2. Disconnect the TCM connector and A/T unit connector. 3. Check the continuity between TCM harness connector and ground. Is the check result normal? YES >> GO TO 2. DTC Trouble diagnosis name DTC detection condition Possible causes P0979 Shift Solenoid C Control Circuit The following diagnosis condi- rent: 750 mA or more - GND short circuit diagnosis occurs in the solenoid valve - TCM power supply voltage: 10 V < TCM power supply • Harness or connector (Short circuit to ground in the • 2-4 brake solenoid valve Selector lever : 2 position Gear : 2GR Vehicle speed : 20 km/h (13 MPH) or more TCM harness connector Ground Continuity Connector Terminal F44 39 Ground Does not exist |