Inspection Procedure

1. Connect terminals TPS1 and E1 of the E5 and E6 TCM connectors.

   HINT:

   Before checking, do visual and contact pressure checks on the TCM connectors.

2. Connect the Techstream to the DLC3.
3. Turn the engine switch on (IG).
4. Turn the Techstream on.
5. Enter the following menus: Powertrain / ECT / Data List.
6. Read the value displayed on the Techstream.

   Result 

   RESULT REFERENCE
   
   

   Tester Display	Proceed to
   TPS 1 Switch OFF	A
   TPS 1 Switch ON	B

   Fig 1: TCM Connector Terminal Identification

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

B: Go to step  3

A: Go to next step 

1. Replace the TCM (see REMOVAL  ).

NEXT: PERFORM ATT CODE REGISTRATION  (See REGISTRATION  )

1. Disconnect the E50 transmission wire connector.
2. Disconnect the E6 TCM connector.
3. Measure the resistance of the wire harness side connectors.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Condition	Specified Condition
   E50-17 (TPS1) - E6-25 (TPS1)	Always	Below 1 Ω
   E50-17 (TPS1) or E6-2S (TPS1) - Body ground	Always	10 kΩ or higher

   Fig 2: Identifying E50 Transmission Wire Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the oil pressure switch connector.
2. Disconnect the E50 transmission wire connector.
3. Measure the resistance of the transmission wire.

   Standard Resistance 

   RESISTANCE REFERENCE
   
   

   Tester Connection	Condition	Specified Condition
   Oil pressure switch connector - 17 (TPS1)	Always	Below 1 Ω
   Oil pressure switch connector or 17 (TPS1) - Body ground	Always	10 kΩ or higher

   Fig 3: Identifying Oil Pressure Switch Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE TRANSMISSION WIRE  (See REMOVAL  )

OK: REPLACE OIL PRESSURE SWITCH  (See DISASSEMBLY  )