DTC P0914-12: Gear Shift Position Circuit Short to Battery [06/2018 - 09/2022]: Procedure

1. Disconnect the C73 shift stroke sensor connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Shift Stroke Sensor)

2. Turn the engine switch on (IG).
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   C73-2 (VDD) - C73-3 (GND)	Engine switch on (IG)	4.7 to 5.3 V

4. Connect the C73 shift stroke sensor connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  5

Result: 

OK 

See step  2

1. Disconnect the C73 shift stroke sensor connector.
2. Disconnect the C80 TCM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C73-4 (VOUT) or C80-46 (SFV) - Other terminals	Always	10 kΩ or higher

4. Connect the C80 TCM connector.
5. Connect the C73 shift stroke sensor connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  3

1. Connect 3 new dry-cell batteries (1.5 V each) in series.
2. Prepare a magnet or equivalent tool.
3. Remove the shift stroke sensor.

   Refer to REMOVAL [06/2018 - 01/2019] , or refer to REMOVAL [01/2019 - 09/2022]

4. Connect a positive (+) lead from the batteries to terminal 2 (VDD) and a negative (-) lead to terminal 3 (GND).

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Shift Stroke Sensor)	*b	Magnet Movement Direction
   *c	Dry Cell Battery	*d	Magnet
   *e	2.6 mm or less	-	-

5. Wave the magnet left and right 2.6 mm (0.102 in.) or less from the tip of the shift stroke sensor to output a high/low signal while measuring the voltage.
6. Measure the voltage according to the value(s) in the table below.

   Standard Voltage (Combined Dry-cell Battery Voltage of 4.5 V)

   Tester Connection	Condition	Specified Condition
   4 (VOUT) - 3 (GND)	High signal	4.09 to 4.19 V
   	Low signal	0.36 to 0.45 V

   Reference Voltage (Combined Dry-cell Battery Voltage of 5.0 V)

   Tester Connection	Condition	Specified Condition
   4 (VOUT) - 3 (GND)	High signal	4.55 to 4.65 V
   	Low signal	0.4 to 0.5 V

7. Install the shift stroke sensor.

   Refer to INSTALLATION [06/2018 - 01/2019] , or refer to INSTALLATION [01/2019 - 09/2022]

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE SHIFT STROKE SENSOR 

Refer to COMPONENTS [06/2018 - 09/2022]

Result: 

OK 

See step  4

1. Replace the TCM.

   Refer to COMPONENTS [06/2018 - 01/2019] , or refer to COMPONENTS [01/2019 - 03/2019] , or refer to COMPONENTS [03/2019 - 09/2024]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

PERFORM REGISTRATION AND INITIALIZATION 

for Registration: Refer to REGISTRATION [06/2018 - 09/2024]

for Initialization: Refer to INITIALIZATION [06/2018 - 09/2022]

1. Disconnect the C73 shift stroke sensor connector.
2. Disconnect the C80 TCM connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   C73-2 (VDD) or C80-45 (VCSF) - Other terminals	Always	10 kΩ or higher

4. Connect the C80 TCM connector.
5. Connect the C73 shift stroke sensor connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  6

1. Replace the TCM.

   Refer to COMPONENTS [06/2018 - 01/2019] , or refer to COMPONENTS [01/2019 - 03/2019] , or refer to COMPONENTS [03/2019 - 09/2024]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

PERFORM REGISTRATION AND INITIALIZATION 

for Registration: Refer to REGISTRATION [06/2018 - 09/2024]

for Initialization: Refer to INITIALIZATION [06/2018 - 09/2022]