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:
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
Malfunction Indicator Light
A: PROCEDURE
B: ACTIVATION OF MALFUNCTION
INDICATOR LIGHT
1) When the ignition switch is turned to ON (engine
OFF), the malfunction indicator light (A) in the combination
meter illuminates.
NOTE:
If the malfunction indicator light does not illuminate,
perform diagnostics of the malfunction indicat
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