DTC P1817 Sports Mode Switch Circuit (Manual Switch): 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.
DIAGNOSTIC PROCEDURE CHART
| Step | Check | Yes | No |
|---|---|---|---|
1 CHECK SPORT MODE SWITCH GROUND CIRCUIT.
|
Is the resistance less than 1 Ω? | Go to step 2. | Repair the open circuit of harness between the SPORT shift switch and chassis ground. |
| 2 CHECK SPORT SHIFT SWITCH. Measure the resistance between SPORT shift switch terminals. Connector & terminal (B117) No. 7 - No. 8: |
Is the resistance 1 MΩ or more? | Go to step 3. | Replace the select lever assembly. < Ref. to SELECT LEVER . > |
3 CHECK SPORT SHIFT SWITCH.
|
Is the resistance less than 1 Ω? | Go to step 4. | Replace the select lever assembly. < Ref. to SELECT LEVER . > |
4 CHECK HARNESS CONNECTOR BETWEEN TCM AND SPORT SHIFT SWITCH.
|
Is the resistance less than 1 Ω? | Go to step 5. | Repair the open circuit of harness between TCM and SPORT shift switch connector. |
5 CHECK HARNESS CONNECTOR BETWEEN TCM AND SPORT SHIFT SWITCH.
|
Is the resistance 1 MΩ or more? | Go to step 6. | Repair the short circuit of the harness between TCM and SPORT shift switch connector. |
6 CHECK INPUT SIGNAL FOR TCM.
|
Is the voltage 10 V or more? | Go to step 7. | Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . > |
| 7 CHECK FOR POOR CONTACT. | Is there poor contact in the SPORT shift switch circuit? | Repair the poor contact. | Replace the TCM. < Ref. to TRANSMISSION CONTROL MODULE (TCM) . > |