ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER ![]() (a) OPERATING CHECK (1) Depress the brake pedal several times with the engine off and check that there is no change in the pedal reserve distance. (2) Depress the brake pedal and start the engine. If the pedal goes down slightly, operation is normal.
2. CHECK BRAKE VACUUM CHECK VALVE ASSEMBLY (a) Check the check valve. (1) Slide the clip and disconnect the vacuum hose. (2) Remove the check valve from the booster.
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Toyota Tundra Service Manual > Sfi System: MAP - Mass or Volume Air Flow Correlation Bank 1 (P006A)
DESCRIPTION DTC No. DTC Detection Condition Trouble Area P006A After the engine is warmed up and the engine is idled for 30 seconds or more, the intake manifold pressure malfunction determination value is higher than the threshold value due to an intake leak. (1 trip detection logic) Intake system M ...