Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT TRANSMISSION REVOLUTION SENSOR INSTALLATION
1. Check the transmission revolution sensor installation.
  OK:
  
  The installation bolt is tightened properly and there is no clearance between the sensor and transmission case.
  
  Fig 1: Identifying Clearance Between Sensor And Transmission Case
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: SECURELY INSTALL OR REPLACE TRANSMISSION REVOLUTION SENSOR (See INSPECTION )

OK: go to next step

INSPECT TRANSMISSION REVOLUTION SENSOR

Disconnect the transmission revolution sensor connector from the transaxle.

Fig 2: Identifying Transmission Revolution Sensor

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance.

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
1 - 2	560 a to 680 kΩ at 20°C (68°F)

NG: REPLACE TRANSMISSION REVOLUTION SENSOR (See REMOVAL )

OK: go to next step

CHECK HARNESS AND CONNECTOR (TRANSMISSION REVOLUTION SENSOR - ECM)

Connect the transmission revolution sensor connector.

Fig 3: Identifying Harness And Connector (Transmission Revolution Sensor - ECM)

Disconnect the ECM connector.

Measure the resistance.

Standard resistance

STANDARD RESISTANCE SPECIFICATION

Tester Connection	Specified Condition
125(NT+)-124(NT-)	560 to 680 kΩ at 20°C (68°F)
125 (NT+) - Body ground	10 kΩ or higher
124 (NT-) - Body ground	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE ECM (See REMOVAL )