Inspection Procedure

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

   OK 

   ENGINE SWITCH ON OFF POSITION
   
   

   Tester Display	Condition	Standard
   Starter Signal	Engine switch on (IG)	OFF
   Starter Signal	Engine is cranking	ON

NG: Go to step 2 

OK: SYMPTOM SIMULATION AND DTC CHECK  (See HOW TO PROCEED WITH TROUBLESHOOTING )

1. Disconnect the park/neutral position switch connector.
2. Measure the resistance of the park/neutral position switch when the shift lever is moved to each position.

   Standard Resistance 

   STANDARD RESISTANCE SPECIFICATION
   
   

   Tester Connection	Shift Position	Specified Condition
   4 (B) - 5 (L)	P	Below 1 Ω
   	N	Below 1 Ω
   	Except P and N	10 kΩ or higher
   2 (RB) - 5 (L)	P	10 kΩ or higher
   	R	10 kΩ or higher
   	N	10 kΩ or higher
   	D	10 kΩ or higher

Fig 1: Identifying Park/Neutral Position Switch Connector Terminal
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE PARK/NEUTRAL POSITION SWITCH  (See REMOVAL  )

OK: Go to next Step 

1. Disconnect the TCM connector.
2. Measure the voltage according to the value (s) in the table below.

   Standard Voltage 

   STANDARD VOLTAGE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   A58-15 (STA) - Body ground	Engine switch on (IG) and shift lever in P or N	Below 2 V
   	Engine switch on (IG) and shift lever not in P or N	Below 1 V

Fig 2: Identifying TCM Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step  5

OK: Go to next Step 

1. Replace the TCM (See REMOVAL  ).

NEXT: PERFORM A/T CODE REGISTRATION  (See REGISTRATION  )

1. Disconnect the TCM connector
2. Remove the STARTER relay from the engine room relay block
3. Disconnect the park/neutral position switch connector
4. Measure the voltage according to the value (s) in the table below

   Standard Voltage 

   STANDARD VOLTAGE SPECIFICATION
   
   

   Tester Connection	Condition	Specified Condition
   A58-15 (STA) - Body ground	Engine switch on (IG)	Below 1 V

Fig 3: Identifying TCM Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: CHECK CRANKING HOLDING FUNCTION CIRCUIT  (See CRANKING HOLDING FUNCTION CIRCUIT )