ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE) 6-2-149
DTC P2227 Barometric Pressure Circuit Range/Performance
DTC P2228 Barometric Pressure Circuit Low
DTC P2229 Barometric Pressure Circuit High
System Description
Barometric pressure sensor is installed in ECM (PCM).
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
DTC P2228/P2229
1) Connect scan tool to DLC with ignition switch OFF.
2) Turn ON ignition switch and clear DTC by using scan tool and run engine for 1 min.
3) Check DTC and pending DTC by using scan tool.
DTC P2227
1) Connect scan tool to DLC with ignition switch OFF.
2) Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool and warm up
engine to normal operating temperature.
3) Increase engine speed to 3000 rpm in 3rd gear in case of M/T.
4) Release accelerator pedal and with engine brake applied, keep vehicle coasting for 5 sec. or more. (Keep
fuel cut condition for 5 sec. or more) If fuel cut condition is not kept for 5 sec. or more, coast down a slope in
engine speed 1000 – 3000 rpm for 5 sec. or more.
5) Stop vehicle and run engine at idle.
6) Repeat Steps 3) – 5) 2 times.
7) Check DTC and pending DTC by using scan tool.
DTC Detecting Condition
Trouble Area
DTC P2227:
While running under conditions described for “DTC Con-
firmation Procedure”, barometric pressure value com-
pared with intake manifold vacuum value in fuel cut state
is not as specified.
(2 driving cycle detection logic)
• Manifold absolute pressure sensor performance
problem
• Barometric pressure sensor in ECM
DTC P2228:
Barometric pressure signal less than specified value is
detected.
• Barometric pressure sensor in ECM
DTC P2229:
Barometric pressure signal more than specified value is
detected.
WARNING:
• When performing a road test, select a place where there is no traffic or possibility of a traffic acci-
dent and be very careful during testing to avoid occurrence of an accident.
• Road test should be carried out with 2 persons, a driver and a tester, on a level road.
Содержание Wagon R Plus RB310
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Страница 846: ...Prepared by 1st Ed August 2003 Printed in Japan 844...