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Home >> Subaru >> 2016 >> WRX Premium, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Continuously Variable Transaxle (CVT)) >> Diagnostics with Phenomenon >> Inspection

Diagnostics with Phenomenon: Inspection

WARNING: This page is about a different variant/trim than selected.
Symptoms Faulty parts
Stall speed is low after warming-up, with select lever in "D" or "R" range. Engine control system
Vehicle does not move despite engine speed rising up, with select lever in "D" or "R" range.
  • Engine control system
  • Select cable
  • CVTF
  • Secondary pressure circuit
  • Pulley, gear and variator chain
  • Forward/reverse changeover section
  • TCM
  • Control valve body
  • Inhibitor switch
Vehicle does not move by engine stall, with select lever in "D" or "R" range.
  • Parking mechanism
  • Select cable
  • Bearing
  • Forward/reverse changeover section
Excessive shock occurs at starting, with select lever in "D" or "R" range.
  • Secondary pressure circuit
  • Pulley, gear and variator chain
Acceleration speed from standstill is insufficient, with select lever in "D" or "R" range.
  • Control valve body
  • Forward/reverse changeover section
Engine speed suddenly rises up during driving, with select lever in "D" or "R" range.
  • Control valve body
  • Secondary pressure circuit
  • Primary pressure circuit
Vibration occurs during driving, with select lever in "D" or "R" range.
  • Secondary pressure circuit
  • Primary pressure circuit
  • Forward/reverse changeover section
  • Pulley and variator chain
  • Torque converter assembly
  • Hydraulic pressure circuit to torque converter
  • Control valve body
Sudden braking occurs during driving, with select lever in "D" or "R" range.
  • Secondary pressure circuit
  • Primary pressure circuit
  • Control valve body
During deceleration, lock-up clutch does not disengage until just before halting, with select lever in "D" or "R" range.
  • Control valve body
  • Torque converter assembly
Engine stalls with vehicle at a standstill, with select lever in "D" or "R" range.
  • Engine control system
  • Control valve body
Excessive lock-up shock occurs during driving, with select lever in "D" range. Control valve body
Slipping occurs at lock-up, or lock-up does not occur during driving, with select lever in "D" range.
  • Control valve body
  • Lock-up hydraulic line
  • Torque converter assembly
Excessive shift shock occurs when shifting the select lever from "N" range to "D" range, or from "N" range to "R" range.
  • Inhibitor switch
  • Control valve body
  • Forward/reverse changeover section
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
  • Parking mechanism
Select lever does not shift smoothly.
  • Select cable
  • Inhibitor switch
  • Detent spring
  • Manual plate