P1725 · blink 37 – NC REVOLUTION SENSOR MALFUNCTION (INPUT TURBINE SPEED SENSOR)
- System
- ECT U340E
- Dashboard light
- Malfunction indicator lamp (Check Engine)
- Check-engine blink code
- 37
- Applies to
- 4-speed A/T U340E. PK: ZZE122R-GEPNKP 1.8 auto from 07.2005 (EPC fig 3501/3512 note (0507- )ATM..PKN); JDM NZE121 1NZ autos
- Description
- NC REVOLUTION SENSOR MALFUNCTION (INPUT TURBINE SPEED SENSOR)
- Detection / symptoms
- Detection: The Engine ECU detects conditions (a), (b), (c) and (d) conti- nuity for 5 secs or more. (1−trip detection logic) (a) Vehicle speed : 50 km/h (20 mph) or more (b) 2nd, 3rd or O/D gear (c) Solenoid valves and neutral start switch are normal (d) NT < 300 rpm
- Possible causes
- Wire harness; Input turbine (NT) speed sensor; Engine ECU
- What to check
- Workshop check order (RM821E): INSPECT TRANSMISSION REVOLUTION SENSOR(NT) -> CHECK WIRE HARNESS AND CONNECTOR(NT+ − NT−)
- Confidence
- high (official Toyota RM821E)
From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights