DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL Input): Procedure

1. Disconnect the park/neutral position switch connector.
   Fig 1: Checking Harness And Connector (Battery -- Park/Neutral Position Switch)

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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
   1 - Body ground	Ignition switch ON	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the park/neutral position switch connector.
   Fig 2: Checking Harness And Connector (Park/Neutral Position Switch - ST Relay)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the ST relay from the engine room relay block.
3. Measure the resistance between the terminals.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   C1-9 (L) - ST relay terminal 1	Always	Below 1 Ω

4. Reconnect the park/neutral position switch connector.
5. Install the ST relay.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Remove the ST relay from the engine room relay block.
   Fig 3: Identifying Relay Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance between the terminals.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   3 - 5	Always	10 kΩ or higher
   3 - 5	Always	Below 1 Ω Apply battery voltage between terminals 1 and 2

3. Install the ST relay.

NG → REPLACE STARTER RELAY 

OK: Go to next step 

1. Remove the ST relay from the engine room relay block.
   Fig 4: Identifying ST Relay Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance between the terminals

   Standard resistance

   Tester Connection	Condition	Specified Condition
   ST relay terminal 2 - Body ground	Always	Below 1 Ω

3. Install the ST relay.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.
   Fig 5: Inspecting Park/Neutral Position Switch Assembly

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Shift Position	Tester Connection	Specified Condition
   P	1 - 3 and 4 - 9	Below 1 Ω
   Except P		10 kΩ or higher
   R	1 - 2	Below 1 Ω
   Except R		10 kΩ or higher
   N	1 - 8 and 4 - 9	Below 1 Ω
   Except N		10 kΩ or higher
   D, S, "+" and "-"	1 - 7	Below 1 Ω
   Except D, S, "+" and "-"		10 kΩ or higher

NG → See step   12 

OK: Go to next step 

1. Connect the park/neutral position switch connector.
   Fig 6: Checking ECM Harness & Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the ECM connectors.
3. Turn the ignition switch to ON, and measure the voltage according to the value(s) in the table below when the shift lever is moved to each position.

   Standard voltage

   Shift Position	Tester Connection	Specified Condition
   P	P (C55-24) - Body ground	11 to 14 V
   Except P		Below 1 V
   N	N (C55-27) - Body ground	11 to 14 V
   Except N		Below 1 V
   R	R (C55-25) - Body ground	11 to 14 V*
   Except R		Below 1 V
   D and S	D (C55-26) - Body ground	11 to 14 V
   Except D and S		Below 1 V
   S, "+" and "-"	S (A55-25) - Body ground	11 to 14 V
   Except S, "+" and "-"		Below 1 V

   HINT: 

   ^* : The voltage will drop slightly due to lighting up of the back up light.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the transmission control switch connector of the shift lock control unit assembly.
   Fig 7: Identifying E31 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch to ON.
3. Measure the voltage between the terminals.

   Standard voltage

   Tester Connection	Specified Condition
   3 - Body ground	11 to 14 V

4. Reconnect the transmission control switch connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Measure the resistance according to the value(s) in the table below when the shift lever is moved to each position.
   Fig 8: Identifying E31 Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard resistance

   Shift Position	Tester Connection	Specified Condition
   S, "+" and "-"	3 - 7	Below 1 Ω
   Except S, "+" and "-"		10 kΩ or higher

NG → See step   13 

OK: Go to next step 

1. Connect the transmission control switch connector of the shift lock control unit assembly.
   Fig 9: Checking ECM Harness & Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch to ON, and measure the voltage according to the value(s) in the table below when the shift lever is moved to each position.

   Standard voltage

   Shift Position	Tester Connection	Specified Condition
   P	P (C55-24) - Body ground	11 to 14 V
   Except P		Below 1 V
   N	N (C55-27) - Body ground	11 to 14 V
   Except N		Below 1 V
   R	R (C55-25) - Body ground	11 to 14 V
   Except R		Below 1 V
   D and S	D (C55-26) - Body ground	11 to 14 V
   Except D and S		Below 1 V
   S, "+" and "-"	S (A55-25) - Body ground	11 to 14 V
   Except S, "+" and "-"		Below 1 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the ECM connectors.
   Fig 10: Checking Harness & Connector (Park / Neutral Position Switch - ECM)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch off.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance (Check for open)

   Tester Connection	Condition	Specified Condition
   C1-4 (B) - C55-62 (NSW)	Always	Below 1 Ω

   Standard resistance (Check for short)

   Tester Connection	Condition	Specified Condition
   C1-4 (B) or C55-62 (NSW) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   11