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Check Manual Mode Switch

WARNING: This page is about a different variant/trim than selected.

DIAGNOSIS: 

Input signal circuit of manual mode switch is open or shorted.

TROUBLE SYMPTOM: 

Does not shift on manual mode.

WIRING DIAGRAM: 

Fig 1: Manual Mode Switch - Wiring Diagram
G05019852
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK BODY INTEGRATED UNIT. 
  1. Perform ON/OFF operation on the manual mode switch.
  2. Read the data of manual mode switch signal using Subaru Select Monitor.
 Is the ON/OFF normally detected? Go to step 2.  Go to step 7. 
2 CHECK DTC OF BODY INTEGRATED UNIT.  Is DTC of CAN detected? Perform the diagnosis according to DTC. Go to step 3. 
3 CHECK TCM. 
  1. Perform ON/OFF operation on the manual mode switch.
  2. Read the data of manual mode switch signal using Subaru Select Monitor.
 Is the ON/OFF normally detected? Go to step 4.  Go to step 5. 
4 CHECK TIP INDICATOR OF COMBINATION METER.  Is TIP indicator light normally operated? Go to step 6.  Replace the combination meter assembly. < Ref. to COMBINATION METER . >
5 CHECK DTC OF TCM.  Is DTC of CAN detected? Perform the diagnosis according to DTC. Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . >
6 CHECK DTC OF METER.  Is DTC of CAN detected? Perform the diagnosis according to DTC. Replace the meter.
7 CHECK GROUND CIRCUIT OF MANUAL MODE SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from manual mode switch.
  3. Measure the resistance of harness between manual mode switch connector and chassis ground.

    Connector & terminal 

    (B116) No. 6 - Chassis ground: 

 Is the resistance less than 1 Ω? Go to step 8.  Repair the open circuit of harness between manual mode switch and chassis ground.
8 CHECK MANUAL MODE SWITCH. 
Measure the resistance between manual mode switch terminals.
Connector & terminal 
(B116) No.6 - No.5: 		 Is the resistance more than 1 MΩ? Go to step 9.  Replace the guide plate assembly.
9 CHECK MANUAL MODE SWITCH. 
  1. Move the select lever to manual mode.
  2. Measure the resistance between manual mode switch terminals.

    Connector & terminal 

    (B116) No. 6 - No. 5: 

 Is the resistance less than 1 Ω? Go to step 10  . Replace the guide plate assembly.
10 CHECK HARNESS BETWEEN BODY INTEGRATED UNIT AND MANUAL MODE SWITCH. 
  1. Disconnect the connector from body integrated unit.
  2. Measure the resistance of harness between body integrated unit connector and manual mode switch connector.

    Connector & terminal 

    (B116) No. 5 - (B281) No. 15: 

 Is the resistance less than 1 Ω? Go to step 11  . Repair the open circuit of harness between manual mode switch connector and TCM connector, or poor contact in connector.
11 CHECK HARNESS BETWEEN BODY INTEGRATED UNIT AND MANUAL MODE SWITCH. 
  1. Disconnect the connector from body integrated unit.
  2. Measure the resistance of harness between manual mode switch connector and chassis ground.

    Connector & terminal 

    (B116) No. 7 - Chassis ground: 

 Is the resistance more than 1 MΩ? Go to step 12  . Repair the short circuit of harness between manual mode switch connector and TCM connector.
12 CHECK INPUT SIGNAL FROM TCM. 
  1. Connect all connectors.
  2. Turn the ignition switch to ON. (engine OFF)
  3. Measure the voltage of the signal to TCM.

    Connector & terminal 

    (B281) No. 15 (+) - Chassis ground (-): 

 Is the voltage more than 9 V? Go to step 13  . Replace the body integrated unit. < Ref. to BODY INTEGRATED UNIT . >
13 CHECK INPUT SIGNAL FROM TCM. 
  1. Shift and hold the select lever to up side.
  2. Measure the voltage of the signal to TCM.

    Connector & terminal 

    (B281) No. 15 (+) - Chassis ground (-): 

 Is the voltage less than 1 V? Go to step 14  . Replace the body integrated unit. < Ref. to BODY INTEGRATED UNIT . >
14 CHECK GROUND CIRCUIT OF MANUAL MODE SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from manual mode switch.
  3. Measure the resistance of harness between manual mode switch connector and chassis ground.

    Connector & terminal 

    (B116) No. 10 - Chassis ground: 

 Is the resistance less than 1 Ω? Go to step 15  . Repair the open circuit of harness between manual mode switch and chassis ground.
15 CHECK MANUAL MODE SWITCH. 
Measure the resistance between manual mode switch terminals.
Connector & terminal 
(B116) No. 10 - No. 11: 		 Is the resistance more than 1 MΩ? Go to step 16  . Replace the guide plate assembly.
16 CHECK MANUAL MODE SWITCH. 
  1. Move the select lever to manual mode.
  2. Measure the resistance between manual mode switch terminals.

    Connector & terminal 

    (B116) No. 10 - No. 11: 

 Is the resistance less than 1 Ω? Go to step 17  . Replace the guide plate assembly.
17 CHECK HARNESS BETWEEN BODY INTEGRATED UNIT AND MANUAL MODE SWITCH. 
  1. Disconnect the connector from body integrated unit.
  2. Measure the resistance of harness between body integrated unit connector and manual mode switch connector.

    Connector & terminal 

    (B116) No. 11 - (B281) No. 25: 

 Is the resistance less than 1 Ω? Go to step 18  . Repair the open circuit of harness between the manual mode switch connector and body integrated unit connector, or poor contact of connector.
18 CHECK HARNESS BETWEEN BODY INTEGRATED UNIT AND MANUAL MODE SWITCH. 
  1. Disconnect the steering roll switch connector.
  2. Measure the resistance of harness between manual mode switch connector and chassis ground.

    Connector & terminal 

    (B116) No. 11 - Chassis ground: 

 Is the resistance more than 1 MΩ? Go to step 19  . Repair the short circuit of harness between manual mode switch connector and body integrated unit connector.
19 CHECK INPUT SIGNAL TO BODY INTEGRATED UNIT. 
  1. Connect all connectors.
  2. Turn the ignition switch to ON. (engine OFF)
  3. Check the signal voltage for body integrated unit.

    Connector & terminal 

    (B281) No. 25 (+) - Chassis ground (-): 

 Is the voltage more than 9 V? Go to step 20  . Replace the body integrated unit. < Ref. to BODY INTEGRATED UNIT . >
20 CHECK INPUT SIGNAL TO BODY INTEGRATED UNIT. 
  1. Shift and hold the select lever to up side.
  2. Check the signal voltage for body integrated unit.

    Connector & terminal 

    (B281) No. 25 (+) - Chassis ground (-): 

 Is the voltage less than 1 V? Go to step 21  . Replace the body integrated unit. < Ref. to BODY INTEGRATED UNIT . >
21 CHECK GROUND CIRCUIT OF STEERING SHIFT SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the connector from the steering roll connector.
  3. Measure the resistance of harness between steering roll connector and chassis ground.

    Connector & terminal 

    (ST4) No. 3 - Chassis ground: 

 Is the resistance less than 1 Ω? Go to step 22  . Repair the open circuit of harness between steering roll connector and chassis ground.
22 CHECK STEERING SHIFT SWITCH. 
Measure the resistance between the steering roll connector terminals.
Connector & terminal 
(ST4) No. 2 - No. 3: 		 Is the resistance more than 1 MΩ? Go to step 23  . Replace the steering roll connector or the steering shift switch. Repair the poor contact of connector.
23 CHECK STEERING SHIFT SWITCH. 
  1. Shift and hold the steering shift switch to the + side.
  2. Measure the resistance between steering shift switch terminals.

    Connector & terminal 

    (ST4) No. 2 - No. 3: 

 Is the resistance less than 1 Ω? Go to step 24  . Replace the steering roll connector or the steering shift switch. Repair the poor contact of connector.
24 CHECK HARNESS CONNECTOR BETWEEN BODY INTEGRATED UNIT AND STEERING ROLL CONNECTOR. 
  1. Disconnect the connector from body integrated unit.
  2. Measure the resistance of the harness between body integrated unit connector and steering roll connector.

    Connector & terminal 

    (B281) No. 15 - (B68) No. 2: 

 Is the resistance less than 1 Ω? Go to step 25  . Repair the open circuit of harness between the body integrated unit connector and steering roll connector, or poor contact of connector.
25 CHECK HARNESS CONNECTOR BETWEEN BODY INTEGRATED UNIT AND STEERING ROLL CONNECTOR. 
  1. Disconnect the connector from body integrated unit.
  2. Measure the resistance of the harness between body integrated unit connector and steering roll connector.

    Connector & terminal 

    (B281) No. 25 - (B68) No. 6: 

 Is the resistance less than 1 Ω? Go to step 26  . Repair the open circuit of harness between the body integrated unit connector and steering roll connector, or poor contact of connector.
26 CHECK POOR CONTACT.  Is there poor contact in the manual mode switch circuit? Repair the poor contact. Temporary poor contact of the manual mode switch circuit connector or harness
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