Subaru Legacy BN/BS (2015-2019) Service Manual: Time lag test inspection
NOTE: When the select lever is shifted while the engine is idling, there will be a certain time elapse or lag before shock is felt. This symptom helps to check the condition of forward clutch and reverse brake. • Perform the test at normal operation CVTF temperature of 60 — 80°C (140 — 176°F). • Be sure to allow one minute or more interval between tests. • Make three measurements and take the average value. 1. Apply the parking brake. 2. Start the engine. Check the idle speed. (A/C OFF) 3. Shift the select lever from “N” to “D” range. Using a stop watch, measure the time elapsed from shifting the lever until the shock is felt. Time lag standard: 1.5 seconds or less If “N” > “D” time lag is longer than specified: • Secondary pressure (line pressure) is too low. • Forward clutch worn • Forward clutch piston malfunction • Control valve body malfunction • Learning incomplete 4. In the same manner, measure the time lag when shifting from “N” range to “R” range. Time lag standard: 1.5 seconds or less If “N” > “R” time lag is longer than specified: • Secondary pressure (line pressure) is too low. • Reverse brake worn • Reverse brake piston malfunction • Control valve body malfunction • Learning incomplete |
Stall test inspection
CAUTION:Make sure no other person is around the vehicle during stall test measurement.NOTE:Stall test is extremely important in diagnosing the condition of CVT and engine. The test is necessary to mea ...
Transfer clutch pressure test inspection
1. EXCEPT FOR OUTBACK MODEL1. Lift up the vehicle.2. Remove the rear exhaust pipe from center exhaust pipe.3. Remove the center exhaust cover.4. Set the transmission jack under the transmission.5. Rem ...
Other materials:
Inspection
1. INSPECTION OF SWITCH UNIT1. Operate the switches to check the continuity between terminals.Preparation tool:Circuit testerSwitch positionTerminal No.StandardOFFA1 and A3Less than 1 -INTA1 and A3Less than 1 -LOA2 and A3Less than 1 -HIA2 and A4Less than 1 -Washer ONB2 and B3Less than 1 -2. Replace ...
