DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input) [08/2015 - 08/2019]: Procedure

1. Disconnect the F76 transmission control switch connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   3 (IG) - 7 (S)	Shift lever in S, "+" or "-"	Below 1 Ω
   3 (IG) - 7 (S)	Shift lever not in S, "+" or "-"	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Transmission Control Switch)

Result: 

NG 

REPLACE TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) 

(Refer to REMOVAL [08/2015 - ] )

Result: 

OK 

See step  2

1. Disconnect the F76 transmission control switch connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   F76-3 (IG) - Body ground	Ignition switch ON	11 to 14 V
   F76-3 (IG) - Body ground	Ignition switch off	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Transmission Control Switch)

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSMISSION CONTROL SWITCH - BATTERY) 

Result: 

OK 

See step  3

1. Disconnect the B42 park/neutral position switch connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   2 (RB) - 6 (PL) 4 (B) - 5 (L)	Shift lever in P	Below 1 Ω
   2 (RB) - 1 (RL)	Shift lever in R	Below 1 Ω
   2 (RB) - 9 (NL) 4 (B) - 5 (L)	Shift lever in N	Below 1 Ω
   2 (RB) - 7 (DL)	Shift lever in D Shift lever in S, "+" or "-"	Below 1 Ω
   2 (RB) - 6 (PL) 4 (B) - 5 (L)	Shift lever not in P	10 kΩ or higher
   2 (RB) - 1 (RL)	Shift lever not in R	10 kΩ or higher
   2 (RB) - 9 (NL) 4 (B) - 5 (L)	Shift lever not in N	10 kΩ or higher
   2 (RB) - 7 (DL)	Shift lever not in D Shift lever not in S, "+" or "-"	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Park/Neutral Position Switch)

Result: 

NG 

REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY 

(Refer to REMOVAL [08/2015 - ] )

Result: 

OK 

See step  4

1. Disconnect the B42 park/neutral position switch connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Switch Condition	Specified Condition
   B42-2 (RB) - Body ground	Ignition switch ON	11 to 14 V
   B42-2 (RB) - Body ground	Ignition switch off	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Park/Neutral Position Switch)

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH - BATTERY) 

Result: 

OK 

See step  5

1. Disconnect the B36 and B37 ECM connectors.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   B36-35 (P) - Body ground	Ignition switch ON Shift lever in P	11 to 14 V
   B36-28 (R) - Body ground	Ignition switch ON Shift lever in R	11 to 14 V*
   B36-29 (N) - Body ground	Ignition switch ON Shift lever in N	11 to 14 V
   B36-27 (D) - Body ground	Ignition switch ON Shift lever in D	11 to 14 V
   B37-2 (NSW) - Body ground	Ignition switch ON Shift lever not in P or N	11 to 14 V
   B36-35 (P) - Body ground	Ignition switch ON Shift lever not in P	Below 1 V
   B36-28 (R) - Body ground	Ignition switch ON Shift lever not in R	Below 1 V
   B36-29 (N) - Body ground	Ignition switch ON Shift lever not in N	Below 1 V
   B36-27 (D) - Body ground	Ignition switch ON Shift lever not in D	Below 1 V
   B37-2 (NSW) - Body ground	Ignition switch ON Shift lever in P or N	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to ECM)

   HINT: 

   *: The voltage will drop slightly due to the illumination of the back-up light.

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  6

1. Disconnect the F50 ECM connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

2. Turn the ignition switch to ON.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   F50-24 (S) - Body ground	Shift lever in S, "+" or "-"	11 to 14 V
   F50-24 (S) - Body ground	Shift lever not in S, "+" or "-"	Below 1 V

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to ECM)

Result: 

OK 

REPLACE ECM 

(Refer to REMOVAL [08/2015 - ] )

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR