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Home >> Subaru >> 2005 >> Outback R VDC Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (Automatic Transmission (Diagnostics) 4AT (D)) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P1817 Sport Mode Switch Circuit

DTC P1817 Sport Mode Switch Circuit

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

DTC DETECTING CONDITION: 

Input signal circuit of SPORT shift switch is open or shorted.

TROUBLE SYMPTOM: 

WIRING DIAGRAM: 

Fig 1: Wiring Diagram - Sport Mode Switch Circuit
G03831573Courtesy of SUBARU OF AMERICA, INC.
DTC P1817 DIAGNOSTIC PROCEDURE

Step CHECK Yes No
1 
CHECK BODY INTEGRATED UNIT. 
  1. Connect the Subaru Select Monitor to data link connector.
  2. Turn the ignition switch to ON. (Engine OFF)
  3. Read the DTC of body integrated unit using Subaru Select Monitor. < Ref. to , OPERATION, Subaru Select Monitor. >
 Is DTC displayed? Perform the diagnosis according to DTC. Go to step 2  .
2 
CHECK INPUT SIGNAL TO BODY INTEGRATED UNIT. 
  1. Shift the select lever to "P" range.
  2. Read the Tiptronic Mode Switch data of body integrated unit using Subaru Select Monitor. < Ref. to , OPERATION , Subaru Select Monitor. >
 Is the OFF displayed? Go to step 3  . Go to step 7  .
3 
CHECK INPUT SIGNAL TO BODY INTEGRATED UNIT. 
  1. Shift the select lever from "P" to "D" range.
  2. Read the Tiptronic Mode Switch data of body integrated unit using Subaru Select Monitor. < Ref. to , OPERATION , Subaru Select Monitor. >
 Is the indication per range OFF? Go to step 4  . Replace the select lever assembly. < Ref. to SELECT LEVER . >
4 
CHECK INPUT SIGNAL TO BODY INTEGRATED UNIT. 
  1. Shift the select lever to SPORT mode.
  2. Read the Tiptronic Mode Switch data of body integrated unit using Subaru Select Monitor. < Ref. to , OPERATION, Subaru Select Monitor. >
 Is the ON displayed? Go to step 5  . Replace the select lever assembly. < Ref. to SELECT LEVER . >
5 
CHECK INHIBITOR SWITCH. 
Shift the select lever from "P" to "D" range.		 Is the indication of range position indicator light in combination meter synchronized with position of select lever? Go to step 6  . Adjust the inhibitor switch and select cable. < Ref. to ADJUSTMENT , Inhibitor Switch.> < Ref. to ADJUSTMENT , Select Cable. >
6 
CHECK INPUT SIGNAL TO TCM. 
  1. Shift the select lever from "P" to "D" range.
  2. Read the Tiptronic Mode Switch data of TCM unit using Subaru Select Monitor. < Ref. to , OPERATION , Subaru Select Monitor. >
 Is the indication per range OFF? Even if the SPORT indicator light is blinking, the circuit has returned to normal condition at this time. A temporary short circuit of connector or harness may be the cause. Repair the harness or connector. Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . >
7 
CHECK HARNESS BETWEEN BODY INTEGRATED UNIT AND SPORT SHIFT SWITCH. 
  1. Turn the ignition switch to OFF.
  2. Disconnect the harness connector from body integrated unit and select lever.
  3. Measure the resistance of body integrated unit and chassis ground.

    Connector & terminal 

    (B281) No. 26 - Chassis ground: 

 Is the resistance more than 1 MΩ? Go to step 8  . Repair the short circuit in harness between body integrated unit and SPORT shift switch.
8 
CHECK SPORT SHIFT SWITCH. 
  1. Shift the select lever to "P" range.
  2. Measure the resistance of SPORT shift switch connector terminals.

    Terminals 

    No. 7 - No. 8 

 Is the resistance more than 1 MΩ? Check the body integrated unit. Replace the select lever assembly. < Ref. to SELECT LEVER . >
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