Subaru Crosstrek Service Manual: Removal
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Front Oxygen (A/F) Sensor
REMOVAL
1. Disconnect the ground cable from battery.
2. Remove the radiator sub fan and fan motor assembly. Radiator Sub Fan and Fan Motor > REMOVAL">
3. Lift up the vehicle.
4. Remove the under cover. Front Under Cover > REMOVAL">
5. Disconnect the front oxygen (A/F) sensor connector, and remove the clip holding the front oxygen (A/F) sensor harness.
(A) | Front oxygen (A/F) sensor connector | (B) | Rear oxygen sensor connector | (C) | Clip |
6. Lower the vehicle.
7. Apply spray-type lubricant to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.
8. Remove the front oxygen (A/F) sensor.
CAUTION:
When removing the front oxygen (A/F) sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.
Inspection
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Front Oxygen (A/F) SensorINSPECTION1. Check that the front oxygen (A/F) sensor has no deformation, cracks or other damages.2. Measure the resistance between fr ...
Installation
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Front Oxygen (A/F) SensorINSTALLATIONCAUTION:If lubricant is spilt over the exhaust pipe, wipe it off with cloth to avoid emission of smoke or causing a fire.1 ...
Other materials:
Removal
FUEL INJECTION (FUEL SYSTEMS)(H4DO) > Mass Air Flow and Intake Air Temperature SensorREMOVAL1. Disconnect the ground cable from battery.2. Disconnect the connector (A) from the mass air flow and intake air temperature sensor, and remove the mass air flow and intake air temperature sensor. ...
Dtc u0401 invalid data received from ecm/pcm a
LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM “A”DTC DETECTING CONDITION:Defective data from ECM.TROUBLE SYMPTOM:Defective data on CAN communication occurs.STEPCHECKYESNO1.CHECK PERFORMING OF BASIC DIAGNO ...
Installation
LUBRICATION(H4DO) > Oil Pressure SwitchINSTALLATION1. Apply liquid gasket to the oil pressure switch threads.Liquid gasket:THREE BOND 1324 (Part No. 004403042) or equivalent2. Install the oil pressure switch to the chain cover.Tightening torque:18 N·m (1.8 kgf-m, 13.3 ft-lb)3. Connect the ...
