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DTC P0705 Transmission Range Sensor Circuit (PRNDL Input): Wiring Diagram

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Transmission Range Sensor Circuit (PRNDL INPUT) - Wiring Diagram
G07665842Courtesy of SUBARU OF AMERICA, INC.
DIAGNOSTIC PROCEDURE CHART

Step Check Yes No
1 CHECK INDICATOR LIGHT. 
  1. Turn the ignition switch to ON.
  2. Shift the select lever to "P" range.
 Does the combination meter "P" range indicator light illuminate? Go to step 2.  Go to step 6  .
2 CHECK INDICATOR LIGHT. 
Set the select lever to "R" range.		 Does the combination meter "P" range indicator light illuminate? Go to step 20.  Go to step 3  .
3 CHECK INDICATOR LIGHT. 
Shift the select lever to "P" range.		 Does the combination meter "R" range indicator light illuminate? Go to step 27.  Go to step 4  .
4 CHECK INDICATOR LIGHT.  Does the combination meter "N" range indicator light illuminate? Go to step 34.  Go to step 5  .
5 CHECK INDICATOR LIGHT.  Does the combination meter "D" range indicator light illuminate? Go to step 41.  Go to step 7  .
6 CHECK "P" RANGE SWITCH.  Read the data of "P range" using Subaru Select Monitor. Is "ON" displayed? Go to step 17.  Go to step 13  .
7 CHECK INDICATOR LIGHT. 
Set the select lever to "R" range.		 Does the combination meter "R" range indicator light illuminate? Go to step 9.  Go to step 8  .
8 CHECK "R" RANGE SWITCH.  Read the data of "R range" using Subaru Select Monitor. Is "ON" displayed? Go to step 24.  Go to step 21  .
9 CHECK INDICATOR LIGHT. 
Set the select lever to "N" range.		 Does the combination meter "N" range indicator light illuminate? Go to step 11.  Go to step 10  .
10 CHECK "N" RANGE SWITCH.  Read the data of "N range" using Subaru Select Monitor. Is "ON" displayed? Go to step 31.  Go to step 28  .
11 CHECK INDICATOR LIGHT. 
Set the select lever to "D" range.		 Does the combination meter "D" range indicator light illuminate? Check the harnesses or connectors between TCM and transmission, and repair the defective part. Go to step 12  .
12 CHECK "D" RANGE SWITCH.  Read the data of "D range" using Subaru Select Monitor. Is "ON" displayed? Go to step 38.  Go to step 35  .
13 CHECK HARNESS CONNECTOR BETWEEN INHIBITOR SWITCH AND CHASSIS GROUND. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from inhibitor switch.
  3. Measure the resistance of harness between inhibitor switch and chassis ground.

    Connector & terminal 

    (T7) No. 1 - Chassis ground: 

 Is the resistance less than 1 Ω? Go to step 14.  Repair the open circuit of harness between inhibitor switch and chassis ground, and poor contact of the connector.
14 CHECK HARNESS CONNECTOR BETWEEN TCM AND INHIBITOR SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from TCM and inhibitor switch.
  3. Measure the resistance of the harness between TCM and inhibitor switch connector.

    Connector & terminal 

    (B55) No. 14 - (T7) No. 2: 

 Is the resistance less than 1 Ω? Go to step 15.  Repair the open circuit of harness between TCM and inhibitor switch connector, and poor contact of the connector.
15 CHECK INPUT SIGNAL FOR TCM. 
  1. Turn the ignition switch to OFF.
  2. Connect the connector to TCM and inhibitor switch.
  3. Turn the ignition switch to ON.
  4. Shift the select lever to "P" range.
  5. Measure the voltage between TCM and chassis ground.

    Connector & terminal 

    (B55) No. 14 (+) - Chassis ground (-): 

 Is the voltage less than 1 V? Go to step 16.  Go to step 42  .
16 CHECK INPUT SIGNAL FOR TCM. 
  1. Set the select lever to other than "P" range.
  2. Measure the voltage between TCM and chassis ground.

    Connector & terminal 

    (B55) No. 14 (+) - Chassis ground (-): 

 Is the voltage 8 V or more? Go to step 42.  Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . >
17 CHECK BODY INTEGRATED UNIT. 
Read the data of "Shift Position" using Subaru Select Monitor. < Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) . >		 Is "7" displayed? Go to step 18.  Check body integrated unit.
18 CHECK BODY INTEGRATED UNIT. 
Check DTC of body integrated unit.		 Is DTC of CAN communication displayed? Perform the diagnosis according to DTC. Go to step 19  .
19 CHECK COMBINATION METER. 
Check the "P" range indicator light. < Ref. to INSPECTION , Combination Meter System. >		 Is the "P" range indicator light bulb OK? Go to step 42.  Replace the combination meter assembly. < Ref. to COMBINATION METER . >
20 CHECK HARNESS CONNECTOR BETWEEN TCM AND INHIBITOR SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from TCM and inhibitor switch.
  3. Measure the resistance of harness between TCM connector and chassis ground.

    Connector & terminal 

    (B55) No. 14 - Chassis ground: 

 Is the resistance 1 MΩ or more? Go to step 42.  Repair ground short circuit in "F" range circuit.
21 CHECK HARNESS CONNECTOR BETWEEN TCM AND INHIBITOR SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from TCM and inhibitor switch.
  3. Measure the resistance of the harness between TCM and inhibitor switch connector.

    Connector & terminal 

    (B55) No. 13 - (T7) No. 5: 

 Is the resistance less than 1 Ω? Go to step 22.  Repair the open circuit of harness between TCM and inhibitor switch connector, and poor contact of the connector.
22 CHECK INPUT SIGNAL FOR TCM. 
  1. Turn the ignition switch to OFF.
  2. Connect the connector to TCM and inhibitor switch.
  3. Turn the ignition switch to ON.
  4. Set the select lever to "R" range.
  5. Measure the voltage between TCM and chassis ground.

    Connector & terminal 

    (B55) No. 13 (+) - Chassis ground (-): 

 Is the voltage less than 1 V? Go to step 23.  Go to step 42  .
23 CHECK INPUT SIGNAL FOR TCM. 
  1. Shift the select lever to other than "R" range.
  2. Measure the voltage between TCM and chassis ground.

    Connector & terminal 

    (B55) No. 13 (+) - Chassis ground (-): 

 Is the voltage 8 V or more? Go to step 42.  Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . >
24 CHECK BODY INTEGRATED UNIT. 
Read the data of "Shift Position" using Subaru Select Monitor. < Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) . >		 Is "6" displayed? Go to step 25.  Check body integrated unit.
25 CHECK BODY INTEGRATED UNIT. 
Check DTC of body integrated unit.		 Is DTC of CAN communication displayed? Perform the diagnosis according to DTC. Go to step 26  .
26 CHECK COMBINATION METER. 
Check the "R" range indicator light. < Ref. to INSPECTION , Combination Meter System. >		 Is the "R" range indicator light OK? Go to step 42.  Replace the combination meter assembly. < Ref. to COMBINATION METER . >
27 CHECK HARNESS CONNECTOR BETWEEN TCM AND INHIBITOR SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from TCM and inhibitor switch.
  3. Measure the resistance of harness between TCM connector and chassis ground.

    Connector & terminal 

    (B55)No. 13-Chassis ground: 

 Is the resistance 1 MΩ or more? Go to step 42.  Repair ground short circuit in "R" range circuit.
28 CHECK HARNESS CONNECTOR BETWEEN TCM AND INHIBITOR SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from TCM and inhibitor switch.
  3. Measure the resistance of the harness between TCM and inhibitor switch connector.

    Connector & terminal 

    (B55) No. 11 - (T7) No. 3: 

 Is the resistance less than 1 Ω? Go to step 29.  Repair the open circuit of harness between TCM and inhibitor switch connector, and poor contact of the connector.
29 CHECK INPUT SIGNAL FOR TCM. 
  1. Turn the ignition switch to OFF.
  2. Connect the connector to TCM and inhibitor switch.
  3. Turn the ignition switch to ON.
  4. Set the select lever to "N" range.
  5. Measure the voltage between TCM and chassis ground.

    Connector & terminal 

    (B55) No. 11 (+) - Chassis ground (-): 

 Is the voltage less than 1 V? Go to step 30.  Go to step 42  .
30 CHECK INPUT SIGNAL FOR TCM. 
  1. Shift the select lever to other than "N" range.
  2. Measure the voltage between TCM and chassis ground.

    Connector & terminal 

    (B55) No. 11 (+) - Chassis ground (-): 

 Is the voltage 8 V or more? Go to step 42.  Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . >
31 CHECK BODY INTEGRATED UNIT. 
Read the data of "Shift Position" using Subaru Select Monitor. < Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) . >		 Is "5" displayed? Go to step 32.  Check body integrated unit.
32 CHECK BODY INTEGRATED UNIT. 
Check DTC of body integrated unit.		 Is DTC of CAN communication displayed? Perform the diagnosis according to DTC. Go to step 33  .
33 CHECK COMBINATION METER. 
Check the "N" range indicator light. < Ref. to INSPECTION , Combination Meter System. >		 Is the "N" range indicator light OK? Go to step 42.  Replace the combination meter assembly. < Ref. to COMBINATION METER . >
34 CHECK HARNESS CONNECTOR BETWEEN TCM AND INHIBITOR SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from TCM and inhibitor switch.
  3. Measure the resistance of harness between TCM connector and chassis ground.

    Connector & terminal 

    (B55) No. 11 - Chassis ground: 

 Is the resistance f MΩ or more? Go to step 42.  Repair the ground short circuit in "N" range circuit.
35 CHECK HARNESS CONNECTOR BETWEEN TCM AND INHIBITOR SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from TCM and inhibitor switch.
  3. Measure the resistance of the harness between TCM and inhibitor switch connector.

    Connector & terminal 

    (B55) No. 10 - (T7) No. 4: 

 Is the resistance less than 1 Ω? Go to step 36.  Repair the open circuit of harness between TCM and inhibitor switch connector, and poor contact of the connector.
36 CHECK INPUT SIGNAL FOR TCM. 
  1. Turn the ignition switch to OFF.
  2. Connect the connector to TCM and inhibitor switch.
  3. Turn the ignition switch to ON.
  4. Set the select lever to "D" range.
  5. Measure the voltage between TCM and chassis ground.

    Connector & terminal 

    (B55) No. 10(+) - Chassis ground (-): 

 Is the voltage less than 1 V? Go to step 37.  Go to step 42  .
37 CHECK INPUT SIGNAL FOR TCM. 
  1. Shift the select lever to other than "D" range.
  2. Measure the voltage between TCM and chassis ground.

    Connector & terminal 

    (B55) No. 10 (+) - Chassis ground (-): 

 Is the voltage 8 V or more? Go to step 42.  Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . >
38 CHECK BODY INTEGRATED UNIT. 
Read the data of "Shift Position" using Subaru Select Monitor. < Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) . >		 Is "4" displayed? Go to step 39.  Check body integrated unit.
39 CHECK BODY INTEGRATED UNIT. 
Check DTC of body integrated unit.		 Is DTC of CAN communication displayed? Perform the diagnosis according to DTC. Go to step 40  .
40 CHECK COMBINATION METER. 
Check the "D" range indicator light. < Ref. to INSPECTION , Combination Meter System. >		 Is the "D" range indicator light OK? Go to step 42.  Replace the combination meter assembly. < Ref. to COMBINATION METER . >
41 CHECK HARNESS CONNECTOR BETWEEN TCM AND INHIBITOR SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from TCM and inhibitor switch.
  3. Measure the resistance of harness between TCM connector and chassis ground.

    Connector & terminal 

    (B55)No. 10-Chassis ground: 

 Is the resistance 1 MΩ or more? Go to step 42.  Repair ground short circuit in "D" range circuit.
42 CHECK FOR POOR CONTACT.  Is there poor contact of the inhibitor switch circuit? Repair the poor contact. Go to step 43  .
43 CHECK INHIBITOR SWITCH.  Is the inhibitor switch in the normal position? Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . > Adjust inhibitor switch and select cable. < Ref. to INHIBITOR SWITCH . > < Ref. to SELECT CABLE . >
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