Inspection Procedure

1. Check the speed sensor NT installation.

   OK: Installation bolt is tightened properly and there is no clearance between the sensor and transaxle case. 

   Fig 1: Inspecting Speed Sensor NT (Installation)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : SECURELY INSTALL SPEED SENSOR OR REPLACE SPEED SENSOR 

OK : GO TO NEXT STEP 

1. Disconnect the T2 sensor connector.
2. Measure the resistance of the sensor.

   Standard resistance 

   TESTER CONNECTION - SPECIFIED CONDITION (RESISTANCE)
   
   

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

   Fig 2: Inspecting Speed Sensor NT

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : REPLACE SPEED SENSOR NT 

OK : GO TO NEXT STEP 

1. Disconnect the E4 ECM connector.
2. Measure the resistance of the wire harness side connector.

   Standard resistance 

   TESTER CONNECTION - SPECIFIED CONDITION (RESISTANCE)
   
   

   Tester Connection	Specified Condition
   E4-35 (NT+) - E4-27 (NT-)	560 to 680 Ω
   E4-35 (NT+) - Body ground	10 kΩ or higher
   E4-27 (NT-) - Body ground	10 kΩ or higher

   Fig 3: Disconnecting E4 ECM Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG : REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK : REPLACE ECM