CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Diagnostics with Phenomenon
INSPECTION
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, lockup 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 lockup shock occurs during driving, with select lever in “D” range.
Control valve body
Slipping occurs at lockup, or lockup does not occur during driving, with select lever in “D” range.
• Control valve body
• Lockup 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
Installation
Road test InspectionInstallation
POWER ASSISTED SYSTEM (POWER STEERING) > Steering ColumnINSTALLATIONCAUTION:If the steering wheel and steering angle sensor are removed, perform the following VDC setting mode.– Model without EyeSight: VDC sensor midpoint setting mode VDC Control Module and Hydraulic Control Unit (VDCCM&H ...
Caution
STARTING/CHARGING SYSTEMS(H4DO) > General DescriptionCAUTION• Prior to starting work, pay special attention to the following:1. Always wear work clothes, a work cap, and protective shoes. Additionally, wear a helmet, protective goggles, etc. if necessary.2. Protect the vehicle using a seat ...
Preparation tool
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed operation procedures of Subaru Se ...