Subaru Legacy BN/BS (2015-2019) Service Manual: Inspection

Subaru Legacy BN/BS (2015-2019) Service Manual / Fuel injection (fuel systems)(h4do) / Rear oxygen sensor / Inspection

1. Check that the rear oxygen sensor has no deformation, cracks or other damages.

2. Measure the resistance between rear oxygen sensor terminals.

Terminal No.	Standard
1 and 2	5.6+1.7 −0.6 - (when 20°C (68°F))

Removal

1. Disconnect the ground terminal from battery sensor. NOTE2. Lift up the vehicle.3. Remove the under cover. Front Under Cover > REMOVAL4. Disconnect the rear oxygen sensor connector.(A)Front oxygen ...

Installation

CAUTION:If lubricant is spilt over the exhaust pipe, wipe it off with cloth to avoid emission of smoke or causing a fire.1. Before installing rear oxygen sensor, apply the anti-seize compound only to ...

Other materials:

Inspection
1. Measure the resistance between connector terminals.Preparation tool:Circuit testerTerminal No.Inspection conditionsStandard1 — 2Switch OFF1 M- or moreSwitch ONLess than 1 -2 — 3Switch doorLess than 1 -2. Replace the light assembly - luggage room if the inspection result is not within the stan ...