Subaru Outback (BR): ABS system self-check
You may feel a slight shock in the brake pedal and hear the operating sound of
ABS from the engine compartment just after the vehicle is started. This is caused
by an automatic functional test of the ABS system being carried out and does not
indicate any abnormal condition.
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The ABS warning light illuminates when the ignition switch is turned to the “ON”
position and turns off after approximately 2 seconds.
This is an indication that the ABS system is working pro
The EBD system maximizes the effectiveness of the brakes by allowing the rear
brakes to supply a greater proportion of the braking force. It functions by adjusting
the distribution of braking forc
If a malfunction occurs in the EBD system, the system stops working and the brake
system warning light and ABS warning light illuminate simultaneously.
The EBD system may be malfunctioning if the
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A: REMOVAL
1) Remove the transmission assembly from vehicle body. <Ref. to CVT-55, REMOVAL, Automatic Transmission Assembly.>
2) Remove the oil pan and control valve body. <Ref. to CVT-111, REMOVAL, Control Valve Body.>
3) Remove the inhibitor switch. <Ref. to CVT-98, REMOVAL, In
CZ:DTC P1152 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (LOW) (BANK1
SENSOR1)
1. OUTLINE OF DIAGNOSIS
Detect that λ value remains low.
Judge as NG when lambda value is abnormal in accordance with λ value of front
oxygen (A/F) sensor and
running conditions such as vehicle speed, amount of intake
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