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Symptoms and causes: Inspection

CAUTION: Check the control operation history. Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>WORK SUPPORT>OPERATION .
Symptoms Problem parts etc.
Excessive shift shock occurs when shifting the select lever from "N range" to "D range", or from "N range" to "R range".
  • Inhibitor switch
  • Transmission harness
  • TCM
  • Control valve
  • Forward/reverse changeover section
  • CVTF deterioration or lack
Vehicle does not keep at standstill with select lever in "P range", or parking cannot be released when shifting from "P range" to another range.
  • Select cable
  • Select lever
  • Parking mechanism
  • Transmission harness
Select lever does not shift smoothly.
  • Select cable
  • Select lever
  • Parking mechanism
  • Transmission harness
Engine stalls when shifting the select lever from "N range" to "D range", or from "N range" to "R range".
  • Engine control system
  • Transmission harness
  • TCM
  • Control valve
  • Torque converter
Engine speed rises up and the vehicle does not start, with select lever in "D range" or "R range".
  • Engine control system
  • Select cable
  • Inhibitor switch
  • Transmission harness
  • TCM
  • Control valve
  • Forward/reverse changeover section
  • Shift mechanism
  • CVTF deterioration or lack
  • Various oil pressure sensors
Vehicle cannot start or acceleration is very poor when depressing the accelerator pedal with select lever in "D range" or "R range". (Including engine stall. Not including engine speed increase.)
  • Power supply system
  • Engine control system
  • Select cable
  • Parking mechanism
  • Transmission harness
  • TCM
  • Control valve
  • Torque converter
  • Forward/reverse changeover section
  • Shift mechanism
Excessive shock occurs at starting, with select lever in "D range" or "R range".
  • Transmission harness
  • TCM
  • Control valve
  • Forward/reverse changeover section
  • Shift mechanism
  • CVTF deterioration or lack
Excessive lockup shock occurs during driving, with select lever in "D range".
  • Transmission harness
  • TCM
  • Control valve
  • Torque converter
  • Forward/reverse changeover section
  • CVTF deterioration or lack
  • Various oil pressure sensors
  • Various rotation sensors
Slipping occurs at lockup, or lockup does not occur during driving, with select lever in "D range".
  • Transmission harness
  • TCM
  • Control valve
  • Torque converter
  • CVTF deterioration or lack
Engine speed suddenly rises up during driving, with select lever in "D range" or "R range".
  • Transmission harness
  • TCM
  • Control valve
  • Forward/reverse changeover section
  • CVTF deterioration or lack
  • Various oil pressure sensors
  • Various rotation sensors
Vibration occurs during driving, with select lever in "D range" or "R range".
  • Transmission harness
  • TCM
  • Control valve
  • Torque converter
  • Forward/reverse changeover section
  • Shift mechanism
Sudden braking occurs during driving, with select lever in "D range" or "R range".
  • Transmission harness
  • TCM
  • Control valve
  • Various rotation sensors
Vehicle cannot shift while driving with select lever in "D range".
  • Power supply system
  • Transmission harness
  • TCM
  • Control valve
  • Shift mechanism
Lockup clutch does not disengage until just before halting and vibration occurs or engine stalls while driving with select lever in "D range?.
  • Transmission harness
  • TCM
  • Control valve
  • Torque converter
Shift indicator in combination meter displays the position which differs from select lever position.
  • Inhibitor switch
  • Select cable
  • Combination meter
  • TCM
Manual mode enters even though the select lever and paddle switch is not operated.
  • Manual mode switch
  • Paddle shift switch
  • Select lever
  • Combination meter
  • TCM
Manual mode cannot be set.
  • Manual mode switch
  • Paddle shift switch
  • Select lever
  • Combination meter
  • TCM