LEMON Manuals: Even more car manuals for everyone
Home >> Subaru >> 2006 >> Legacy GT spec.B >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 16 (Automatic Transmission (Diagnostics) 4AT) >> 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: 

The input signal circuit of SPORT shift switch is shorted.

TROUBLE SYMPTOM: 

WIRING DIAGRAM: 

Fig 1: Sport Mode Switch - Wiring Diagram
G05019793
DIAGNOSTIC CHART

Step Check Yes No
1 CHECK THE BODY INTEGRATED UNIT. 
  1. Connect the Subaru Select Monitor to the 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 BODY INTEGRATED UNIT INPUT SIGNAL. 
  1. Shift the select lever to shift to the "P" range.
  2. Read the TIP mode SW data of body integrated unit using Subaru Select Monitor. < Ref. to OPERATION , Subaru Select Monitor. >
 Is OFF displayed? Go to step 3.  Go to step 7. 
3 CHECK BODY INTEGRATED UNIT INPUT SIGNAL. 
  1. Shift the select lever from "P" to "D" range.
  2. Read the TIP mode SW data of body integrated unit using Subaru Select Monitor. < Ref. to OPERATION , Subaru Select Monitor. >
 Is the indication on each range OFF? Go to step 4.  Replace the select lever assembly. < Ref. to SELECT LEVER . >
4 CHECK BODY INTEGRATED UNIT INPUT SIGNAL. 
  1. Shift the select lever to SPORT mode.
  2. Read the TIP mode SW data of body integrated unit using Subaru Select Monitor. < Ref. to OPERATION , Subaru Select Monitor. >
 Is 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 FROM TCM. 
  1. Shift the select lever from "P" to "D" range.
  2. Read the TIP mode SW data of TCM using Subaru Select Monitor. < Ref. to OPERATION , Subaru Select Monitor. >
 Is the indication on each range OFF? Even if the SPORT indicator light is blinking, the circuit is in normal condition. 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 between 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 of harness between body integrated unit and SPORT shift switch.
8 CHECK SPORT SHIFT SWITCH. 
  1. Shift the select lever to shift to the "P" range.
  2. Measure the resistance of SPORT shift switch connector terminals.

    Terminal 

    No. 9 - No. 8: 

 Is the resistance more than 1 MΩ? Check the body integrated unit. Replace the select lever assembly. < Ref. to SELECT LEVER . >
scientia non olet · About LEMON Manuals