Nissan Murano: Basic Inspection / Accelerator Pedal Released Position Learning
Description
Accelerator Pedal Released Position Learning is a function of ECM to learn the fully released position of the accelerator pedal by monitoring the accelerator pedal position sensor output signal. It must be performed each time the harness connector of the accelerator pedal position sensor or ECM is disconnected.
For details, refer to Work Procedure.
Work Procedure
START
-
Check that accelerator pedal is fully released.
-
Turn ignition switch ON and wait at least 2 seconds.
-
Turn ignition switch OFF and wait at least 10 seconds.
-
Turn ignition switch ON and wait at least 2 seconds.
-
Turn ignition switch OFF and wait at least 10 seconds.
>>
END
Description
When replacing ECM, the following procedure must be performed. (For details, refer to Work Procedure.)CAUTION:
When replacing the ECM, always replace it with a new one...
Description
Throttle Valve Closed Position Learning is a function of ECM to learn the fully closed position of the throttle valve by monitoring the throttle position sensor output signal...
Other information:
DTC Description
DTC DETECTION LOGICAn excessively low voltage from the sensor is sent to ECM. DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0452
EVAP SYS PRES SEN
(Evaporative emission system pressure sensor/switch low)
Diagnosis condition
—
Signal (terminal)
Voltage signal transmitted from EVAP control system pressure sensor to ECM
Threshold
An excessively low voltage from the sensor is sent to ECM
Diagnosis delay time
—
POSSIBLE CAUSE
Harness or connectors
(EVAP control system pressure sensor circuit is open or shorted...
Component Function Check
CHECK ASCD INDICATOR FUNCTION
Check ASCD indicator under the following conditions.
ASCD INDICATOR CONDITION SPECIFICATION
CRUISE
Ignition switch: ON
MAIN switch: Pressed at the 1st time → at the 2nd time
ON → OFF
Is the inspection result normal?
YES>>
INSPECTION END
NO>>
Proceed to Diagnosis Procedure...