Your vehicle has two separate circuit brake systems. 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 circuit fails, the brake pedal will go down much closer to the floor than usual and you will need to press it down much harder. And a much longer distance will be needed to stop the vehicle.
Brake booster
The brake booster uses engine manifold vacuum to assist braking force. Do not turn the ignition switch to the "LOCK"/ "OFF" position while driving because that will turn off the brake booster, resulting in poor braking power.
The brakes will continue to work even when the brake booster completely stops functioning. If this happens, however, you will have to depress the pedal much harder than normal and the braking distance will increase.
Brake system
Brake assist systemDtc p2271 o2 sensor signal biased/stuck rich bank 1 sensor 2
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Dtc p062f internal control module eeprom error
ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC P062F INTERNAL CONTROL MODULE EEPROM ERRORNOTE:For the diagnostic procedure, refer to DTC P0606. Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC P0606 CONTROL MODULE PROCESSOR">1. OUT ...
Inspection
COOLING(H4DO) > Radiator Fan SystemINSPECTIONOperating condition:Vehicle speedA/C compressor loadEngine coolant temperatureIncrease: 98°C (208°F) or lessDecrease: 96°C (205°F) or lessIncrease: 99 — 101°C (210 — 214°F)Decrease: ...