DTC P0721:00 [FW6A-EL, FW6AX-EL]


id050227904100

Caution
•  Vehicle specifications differ depending on the vehicle identification number (VIN).
―  Type A VIN:
JM0 KE****** 100001—
JM6 KE****** 100001—
JM7 KE****** 100001—
JM8 KE****** 100001—
JMZ KE****** 100001—
KE10** 100001—
―  Type B VIN:
JM0 KE****** 200001—
JM6 KE****** 200001—
JM8 KE****** 200001—
JMZ KE****** 200001—
KE10** 200001—

DTC P0721:00

Output shaft speed sensor/sensor output range malfunction

DETECTION CONDITION
Type A VIN
•  Under the following conditions, the output shaft speed is 13,560 rpm or more for 1 s:
―  Engine is running.
―  Battery voltage is 10 V or more.
•  Under the following conditions, the vehicle speed signal from the DSC HU/CM and the output shaft speed sensor signal differ by 520 rpm or more for 1 s:
―  Engine is running.
―  Battery voltage is 10 V or more.
―  Vehicle speed signal related DTC is not recorded.
―  Vehicle speed is 16 km/h {9.9 mph} or more.
―  Vehicle speed signal from DSC HU/CM and turbine/input shaft speed sensor signal do not differ.
―  Output shaft speed sensor signal is input.
―  Output shaft speed is 13,560 rpm or less.
Type B VIN
•  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.
Diagnostic support note
•  The check engine light illuminates if the TCM detects the above malfunction condition during the first drive cycle.
•  The automatic transaxle warning light illuminates if the TCM detects the above malfunction condition during the first drive cycle.
•  PENDING CODE is available.
•  FREEZE FRAME DATA is available.
•  DTC is stored in the TCM memory.
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.
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 5.
No
Go to the next step.
3
VERIFY FREEZE FRAME DATA/SNAPSHOT DATA HAS BEEN RECORDED
•  Has the freeze frame data/snapshot data been recorded on the repair order?
Yes
Go to the next step.
No
Record the freeze frame data/snapshot data on the repair order, then go to the next step.
4
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.
5
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.
No
DTC troubleshooting completed.