Subaru Outback (BR): Brake system
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Two separate circuits
Your vehicle has a dual circuit brake system. Each circuit works diagonally across
the vehicle. If one circuit of the brake system should fail, the other half of the
system still works. If one cir
Brake assist system
WARNING
Do not be overconfident about the brake assist. It is not a system that brings
more braking ability to the vehicle beyond its braking capability. Always use the
utmost care when driving r
SEE MORE:
State emission testing (U.S. only)
WARNING
Testing of an All-Wheel Drive vehicle must NEVER be performed on a single two-wheel
dynamometer. Attempting to do so will result in uncontrolled vehicle movement and
may cause an accident or injuries to persons nearby.
CAUTION
Resultant vehicle damage due to improper testing is not co
DTC P0171, P0172, P0181, P0182, P0183, P0196, P0197, P0198, P0201, P0202,
P0203, P0204, P0222, P0223, P0301, P0302, P0303, P0304
AR:DTC P0171 SYSTEM TOO LEAN (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect fuel system malfunction by the amount of main feedback control.
Diagnostic method
Fuel system is diagnosed by comparing the target air fuel ratio calculated by
ECM with the actual air fuel ratio
measured by sensor.
2. ENABLE CONDI
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