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Transmission Control System (Smoother) 7A-143 4 1. Lift the driving wheels or drive the vehicle. enough. 3. Monitor the DTC Information with the Tech 2. Does the DTC fail this ignition? — Go to Step 5 Go to Diagnostic Aids 5 1. Remove the gear shift position sensor. Refer to Gear Shift Position Sensor Replacement in 2. Visually inspect the gear shift position sensor for the following conditions: • Physical damage 3. Inspect the gear shift position sensor output voltage in order to check an open circuit, short 4. Remove the transmission gearshift control box assembly from the transmission main unit. 5. Visually inspect the shift side lever for the following conditions: • Shift lever damage that connects to the gear shift position sensor shaft. • Shift lever damage that connects to the shift solenoid valves. • Shift lever damage that connects to the interlock plate and shift rods. • Other damage that the shift lever possible stuck. 6. Inspect the transmission main unit as necessary. Refer to Repair Instructions 7. Repair or replace as necessary. Did you find and correct the condition? — Go to Step 8 Go to Step 6 6 1. Remove the oil pump assembly. Refer to Repair Instructions (Overhaul) - Oil Pump in 2. Inspect the oil pump and gearshift clutch for the following conditions: • The gearshift clutch solenoid valve for mechanically stuck • The clutch spool valve mechanically stuck 3. Repair or replace as necessary. Did you find and correct the condition? Go to Step 8 Go to Step 7 7 Important: Did you complete the replacement? — Go to Step 8 — Step Action Value(s) Yes No |