DTC P0721:00 [EW6A-EL]

id050234904100

DTC P0721:00

Output shaft speed sensor/sensor output range malfunction
DETECTION CONDITION
•  Under the following condition, the output shaft speed is 13,560 rpm or more in forward or 2,000 rpm or more in reverse for a continuous 1 s:
―  Battery voltage is 8 V or more.
FAIL-SAFE FUNCTION
•  Inhibits learning control.
•  Inhibits manual mode.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
•  Inhibits AAS.
POSSIBLE CAUSE
•  Output shaft speed sensor malfunction
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY DSC HU/CM DTC
•  Perform the DSC HU/CM DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSIS [DYNAMIC STABILITY CONTROL (DSC)].)
No
Go to the next step.
2
VERIFY INSTRUMENT CLUSTER REPAIR HISTORY
•  Does the instrument cluster have a record of replacement?
Yes
Perform the instrument cluster configuration, then go to Step 6.
(See INSTRUMENT CLUSTER CONFIGURATION (USING AS-BUILT DATA).)
No
Go to the next step.
3
VERIFY AUTOMATIC TRANSAXLE REPAIR HISTORY
•  Does the automatic transaxle (with control valve body) have a record of replacement?
Yes
Perform the TCM configuration.
(See TCM CONFIGURATION [EW6A-EL].)
No
Go to the next step.
4
RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
Note
•  Recording can be facilitated using the screen capture of the PC function.
•  Record the freeze frame data/snap shot data.
—
Go to the next step.
5
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, replace the control valve body.
Go to the next step.
No
Replace the control valve body, then go to the next step.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION [EW6A-EL].)
6
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC using the M-MDS.
•  Perform the following procedure to ensure that the DTC has been resolved:
1.  Drive the vehicle for 1 s or more under the following condition:
•  Vehicle speed: 30 km/h {19 mph} or more
•  Perform the DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [EW6A-EL].)
No
DTC troubleshooting completed.