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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Automatic Transaxle On-Vehicle Service - With Diagnostics) >> Automatic Transaxle Diagnosis < A/T > >> Diagnostic Trouble Code Procedures >> DTC P0705: Transmission Range Switch System >> Diagnosis

DTC P0705: Transmission Range Switch System: Diagnosis

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Check the TCM terminal voltage. 

    [TCM connector (harness side, connected)]

    Turn ON the ignition switch, and check by shifting to each range.

    • "P" range: INHP terminal to body ground → Battery positive voltage
    • "R" range: INHR terminal to body ground → Battery positive voltage
    • "N" range: INHN terminal to body ground → Battery positive voltage
    • "D" range: INHD terminal to body ground → Battery positive voltage
    • "L" range: INHL terminal to body ground → Battery positive voltage

    Q: Is the check result normal? 

    • YES:  Go to  Step 6.
    • NO:  Go to Step 2.
  2. STEP 2. Check the path between the battery and the transmission range switch. 

    Turn OFF the ignition switch, and check the following items.

    • Open/short circuit of power supply line between the battery and transmission range switch connector.
    • Blown fuse

    Q: Is the check result normal? 

    • YES:  Go to Step 3.
    • NO:  Repair the connector(s) or wiring harness.
  3. STEP 3. Check for continuity in INHP, INHR, INHN, INHD, INHL line between the transmission range switch connector and the TCM connector. 

    When the continuity check result is OK, check that the wiring harness is not shorted to the body and other wiring harness.

    Q: Is the check result normal? 

    • YES:  Go to Step 4.
    • NO:  Repair the connector(s) or wiring harness.
  4. STEP 4. Check the transmission range switch as a single unit. 

    Refer to TRANSMISSION RANGE SWITCH CHECK  .

    Q: Is the check result normal? 

    • YES:  Go to Step 5.
    • NO:  Go to  Step 7.
  5. STEP 5. Check the TCM connector pin terminal and the connection status. 

    Q: Is there a failure point? 

    • YES:  Repair or replace the failure section.
    • NO:  Replace the TCM.
  6. STEP 6. Erase the DTC, and drive the vehicle for a while. 

    Check that the normal code is displayed.

    Q: Is the check result normal? 

    • YES:  The procedure is complete.
    • NO:  Replace the TCM.
  7. STEP 7. Adjust the transmission range switch. 

    Refer to TRANSMISSION RANGE SWITCH CHECK  .

    After adjustment, check the continuity between the terminals again.

    Q: Is the check result normal? 

    • YES:  Go to Step 8.
    • NO:  Replace the transmission range switch.
  8. STEP 8. Erase the DTC, and drive the vehicle for a while. 

    Check that the normal code is displayed.

    Q: Is the check result normal? 

    • YES:  The procedure is complete.
    • NO:  Return to  Step 1.
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