Honda Civic manuals

Subaru Legacy 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:

Inspection
1. Measure the resistance between connector terminals.Preparation tool:Circuit testerTerminal No.Inspection conditionsStandard1 — 4OFF1 M- or moreONLess than 1 -2. Apply battery voltage between the connector terminals to check lighting condition of illumination inside the switch.Terminal No.Inspec ...

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