Honda Civic manuals

Subaru Legacy Service Manual: Diagnostics with phenomenon inspection

Symptoms

Faulty parts

Engine stalls when driving in “D” or “R” range, or selecting “N” > “D”, “N” > “R”.

Control valve

Engine control system

While driving in “D” range, vibration occurs immediately before the stop or engine stalls.

Control valve

Torque converter

Vehicle cannot shift while driving in “D” range.

Control valve

TCM

Shift mechanism

Power supply system

Excessive shock when selecting “N” > “D”, and “N” > “R”.

Control valve

TCM

F&R clutch pack

ATF deterioration or lack

Excessive shock at standing start in “D” range.

Control valve

TCM

F&R clutch pack

ATF deterioration or lack

Engine speed increases abruptly during driving in “D” or “R” range.

Control valve

Secondary pressure sensor

F&R clutch pack

ATF deterioration or lack

Vehicle can not start when depressing the accelerator pedal in “D” or “R” range, or acceleration is very poor. (without abrupt engine increase)

Control valve

F&R clutch pack

Shift mechanism

Parking mechanism

Engine control system

Power supply system

Shift indicator in combination meter displays the position which differs from select lever position.

Inhibitor switch

Select cable related

Combination meter

Manual mode enters even though the select lever and paddle shift switch is not operated.

Manual mode switch

Paddle shift switch

Select lever

TCM

Engine speed increases abruptly in “D” or “R” range, vehicle can not start.

F&R clutch pack

Select cable related

Manual mode can not be set

Select lever

TCM

Diagnostic procedure without diagnostic trouble code (dtc) check shift indicator
DIAGNOSIS:• CAN communication is abnormal with the combination meter.• Combination meter malfunctionTROUBLE SYMPTOM:• Shift indicator does not display or remains displayed.• Sh ...

Drive cycle procedure
It is possible to complete diagnosis of the DTC by performing the indicated drive cycle. After the repair for the DTC, perform a necessary drive cycle and make sure the function recovers and the DTC i ...

Other materials:

Airbag warning light illumination pattern inspection
Turn the ignition switch to ON, and confirm that the airbag warning light remains on for approx. 6 seconds then turns off afterwards.(1)Airbag warning light(2)Approx. 6 seconds(3)Ignition switch ON ...

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