Inspection Procedure

1. Connect the intelligent tester or Techstream to the DLC3.
2. Turn the engine switch on (IG) and push the tester main switch ON.
3. Enter the following menus:
   1. Intelligent tester - Select: DIAGNOSIS / OBD/MOBD / ECT / DATA LIST.
   2. Techstream - Select: Powertrain / ECT / Data List.
4. Read the value displayed on the tester.
5. Crank the engine.
6. Read the value displayed on the tester.

   OK 

   Intelligent tester 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Display	Condition	Standard
   STARTER SIG	Engine switch on (IG)	OFF
   STARTER SIG	Engine is cranking	ON

   Techstream 

   TESTER DISPLAY AND CONDITION CHART
   
   

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

NG: Go to step   4 

OK: GO TO NEXT STEP 

Fig 1: Checking TCM (STA Voltage)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the A12 and E5 TCM connectors.
2. Measure the voltage of the wire harness side connectors.

   Standard voltage 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   A12-3(STA)-E5-7(E1)	Always	Below 2 V

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (TCM - ST RELAY) 

OK: GO TO NEXT STEP 

1. Replace the TCM (see REMOVAL  ).

NEXT: PERFORM AT REGISTRATION (See  REGISTRATION   ) 

Fig 2: Checking Park/Neutral Position Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the E49 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 

   TESTER CONNECTION SPECIFIED CONDITION CHART
   
   

   Tester Connection	Condition	Specified Condition
   4 (B) - 5 (L)	Shift lever position P	Below 1 Ω
   4(B)-5(L)	Shift lever position N	Below 1 Ω

NG: REPLACE PARK/NEUTRAL POSITION SWITCH (See  ON-VEHICLE INSPECTION   ) 

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