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TM-198 < DTC/CIRCUIT DIAGNOSIS > [4AT: RE4F03C] P0973 SHIFT SOLENOID A P0973 SHIFT SOLENOID A DTC Logic INFOID:0000000009267975 DTC DETECTION LOGIC DTC CONFIRMATION 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. Start the engine. 2. Maintain the following conditions for 5 seconds or more. 3. Check the first trip DTC. YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009267976 1. CHECK CIRCUIT BETWEEN TCM AND A/T UNIT 1. Turn the 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. NO >> Repair or replace the malfunctioning parts. 2. CHECK SELECT SWITCH ON-OFF SOLENOID VALVE Check the select switch ON-OFF solenoid valve. Refer to TM-199, "Component Inspection (Select Switch ON- . DTC Trouble diagnosis name DTC detection condition Possible causes P0973 Shift Solenoid “A” Control Cir- The following diagnosis condi- noid valve: OFF - TCM power supply voltage: 10 V < TCM power supply • Harness or connector (Short circuit to ground in the • Select switch ON-OFF sole- noid valve Selector lever : N position ⇒ R position TCM harness connector Ground Continuity Connector Terminal F44 1 Ground Does not exist |