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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Keyless Operation System (Kos) - With Diagnostics) >> Diagnosis < OSS-Ecu > >> Diagnostic Trouble Code Procedures >> Code No. B1135 Engine switch >> Diagnosis

Code No. B1135 Engine switch: 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. Engine switch check 

    Refer to ENGINE SWITCH  .

    Q: Is the check result normal? 

    1. YES:  Go to Step 2.
    2. NO:  Replace the engine switch.
  2. STEP 2. Using scan tool (M.U.T.-III), check data list. 
    CAUTION: To prevent damage to scan tool (M.U.T.-III), always turn the power supply mode of the engine switch to the OFF position before connecting or disconnecting scan tool (M.U.T.-III).
    1. Connect scan tool (M.U.T.-III). Refer to "HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)  ."
    2. Turn the power supply mode of the engine switch to OFF.
    3. Check the OSS-ECU data list.
      • Operate the engine switch.
        Operation state Item No. Check item Display
        When the engine switch is pressed 1 Engine switch(1) ON
        2 Engine switch(2) ON
        When the engine switch is not pressed 1 Engine switch(1) OFF
        2 Engine switch(2) OFF

        OK: Operation state and data list display agree with each other. 

    Q: Are the check result normal? 

    1. YES (Normal conditions are displayed for all the items.):  Go to  Step 5.
    2. NO (Normal condition is not displayed for item No. 1):  Go to Step 3.
    3. NO (Normal condition is not displayed for item No. 2.):  Go to  Step 4.
  3. STEP 3. Check of short to power supply, short to ground, and open circuit in SW1 line between OSS-ECU connector and engine switch connector 

    Q: Is the check result normal? 

    1. YES:  Go to  Step 5.
    2. NO:  Repair the connector(s) or wiring harness.
  4. STEP 4. Check of short to power supply, short to ground, and open circuit in SW2 line between OSS-ECU connector and engine switch connector 
    NOTE: Because the conformity cannot be determined even when the digital tester is used to measure the voltage of SW2 line between the OSS-ECU connector and engine switch connector, be sure to use the oscilloscope. (Outputs the sawtooth waveform of 0 to 5 V with intervals of 10 ms.)

    Q: Is the check result normal? 

    1. YES:  Go to Step 5.
    2. NO:  Repair the connector(s) or wiring harness.
  5. STEP 5. Recheck for diagnostic trouble code. 
    1. Erase the DTC.
    2. Turn the power supply mode of the engine switch from OFF to ON.
    3. Check if DTC is stored.
    4. Turn the power supply mode of the engine switch from ON to OFF.

    Q: Is the DTC stored? 

    1. YES:  Replace the OSS-ECU and register the VIN (Refer to REGISTRATION WHEN REPLACING OSS-ECU  ).
    2. NO:  Intermittent malfunction is suspected (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
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