DTC P0722: Output Speed Sensor Circuit No Signal [09/2014 - 10/2015]: Procedure
WARNING: This page is about a different car, the 2017 Lexus RC 350, 2017 Lexus RC 300, 2016 Lexus RC 350, 2016 Lexus RC 300, and 2015 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT TRANSMISSION REVOLUTION SENSOR (SP2) INSTALLATION
- Check the transmission revolution sensor (SP2) installation.
OK
The installation bolt is tightened properly and there is no clearance between the sensor and transmission case.
*a OK *b NG Result
Proceed to OK NG
Result:
NG
SECURELY INSTALL TRANSMISSION REVOLUTION SENSOR (SP2) OR REPLACE TRANSMISSION REVOLUTION SENSOR (SP2). Refer to INSTALLATION [09/2014 - ]
Result:
OK
See step 2
- Check the transmission revolution sensor (SP2) installation.
- INSPECT TRANSMISSION REVOLUTION SENSOR (SP2)
- Disconnect the F48 transmission revolution sensor (SP2) connector.
*a Component without harness connected
(Transmission Revolution Sensor (SP2)) - Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 1 - 2 20°C (68°F) 560 to 680 Ω Result
Proceed to OK NG
Result:
NG
REPLACE TRANSMISSION REVOLUTION SENSOR (SP2). Refer to COMPONENTS [09/2014 - ]
Result:
OK
See step 3
- Disconnect the F48 transmission revolution sensor (SP2) connector.
- CHECK HARNESS AND CONNECTOR (TRANSMISSION REVOLUTION SENSOR (SP2) - ECM)
- Connect the F48 transmission revolution sensor (SP2) connector.
*a Rear view of wire harness connector
(to ECM) - Disconnect the A71 ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A71-33 (SP2+) - A71-32 (SP2-) 20°C (68°F) 560 to 680 Ω A71-33 (SP2+) - Body ground Always 10 kΩ or higher A71-32 (SP2-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
REPLACE ECM. Refer to COMPONENTS [09/2014 - 10/2015]
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
- Connect the F48 transmission revolution sensor (SP2) connector.