Honda Civic manuals

Subaru Legacy BN/BS (2015-2019) Service Manual: 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

Continuously variable transmission(tr690)
...

Road test inspection
NOTE:Turn OFF the X mode switch and perform inspection.1. GENERAL PRECAUTIONRoad tests should be conducted to properly diagnose the condition of CVT.CAUTION:Always observe the local traffic laws when ...

Other materials:

Removal
1. FRONT DIFFERENTIAL SIDE1. Remove the clip (A), and loosen the clamps (B) and (C).2. Remove the air intake boot assembly, and move it to the left side wheel apron.3. Remove the air breather hose.2. TRANSMISSION CASE SIDE1. Remove the transmission assembly. Automatic Transmission Assembly > REMOVA ...

© 2017-2026 Copyright www.sulegacy.com