Subaru Crosstrek Service Manual: Diagnostics with phenomenon Inspection
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
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Variator ChainINSTALLATIONFor installation of variator chain, refer to “Primary Pulley and Secondary Pulley”. Primary Pulley and Secondary P ...
Road test Inspection
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Road TestINSPECTION1. GENERAL PRECAUTIONRoad tests should be conducted to properly diagnose the condition of CVT.CAUTION:Always observe the local traffic ...
Other materials:
Component
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > General DescriptionCOMPONENT1. HEATER AND COOLING UNIT• Manual A/C model(1)Pipe - inlet(11)Shutter - defroster(21)Packing - evaporator core(2)Pipe - outlet(12)Shutter - vent(22)Pipe - evaporator core(3)Clamp - pipe(13)Shutter - air mix RH(23)Case - ...
Tripped sensor identification
The security indicator light flashes when
the alarm system has been triggered.
Also, the number of flashes indicates the
location of unauthorized intrusion or the
severity of impact on the vehicle.
When the ignition switch is turned to the
"ON" position, the indicator light will light
for ...
Secondary pressure (line pressure) test Inspection
CONTINUOUSLY VARIABLE TRANSMISSION(TR580) > Secondary Pressure (Line Pressure) TestINSPECTIONCAUTION:• Directly after the vehicle has been running or the engine has been idling for a long time, the CVTF is hot. Be careful not to burn yourself.• Make sure no other person is around the ...