DTC B1174-11: Passenger Door Interior Unlock Switch circuit short to ground [07/2015 - ]: Procedure

1. Clear the DTC for the main body ECU using the Techstream.

   Refer to DTC CHECK / CLEAR [07/2015 - ]

   Body Electrical > Body Control Module > Clear DTCs 

2. Lock/unlock all the doors by operating the driver's door lock knob.
3. Retrieve the main body ECU DTCs using the Techstream with the front door lock-link switch (passenger's side), rear door lock-link switch (LH) and (RH) not unlocked.
4. Is the same DTC displayed?

   Result

   Result
   Yes
   No

Result:  2

No 

See step  11

Result:  1

Yes 

See step  2

1. Switch the ignition off.
2. Disconnect the negative battery cable.

   Refer to REMOVAL [07/2015 - ]

3. Disconnect the front door lock (passenger's side) connector.
4. Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
5. Is the connector normal?

   Result

   Result
   Yes
   No

Result:  2

No 

See step  20

Result:  1

Yes 

See step  3

1. Inspect the front door lock-link switch (passenger's side).

   Refer to INSPECTION [07/2015 - ]

2. Is the front door lock-link switch (passenger's side) normal?

   Result

   Result
   Yes
   No

Result:  2

No 

See step  19

Result:  1

Yes 

See step  4

1. Disconnect the rear door latch and lock actuator (LH) connector.
2. Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
3. Is the connector normal?

   Result

   Result
   Yes
   No

Result:  2

No 

See step  18

Result:  1

Yes 

See step  5

1. Inspect the rear door lock-link switch (LH).

   Refer to INSPECTION [07/2015 - ]

2. Is the rear door lock-link switch (LH) normal?

   Result

   Result
   Yes
   No

Result:  2

No 

See step  17

Result:  1

Yes 

See step  6

1. Disconnect the rear door lock (RH) connector.
2. Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
3. Is the connector normal?

   Result

   Result
   Yes
   No

Result:  2

No 

See step  16

Result:  1

Yes 

See step  7

1. Inspect the rear door lock-link switch (RH).

   Refer to INSPECTION [07/2015 - ]

2. Is the rear door lock-link switch (RH) normal?

   Result

   Result
   Yes
   No

Result:  2

No 

See step  15

Result:  1

Yes 

See step  8

1. Disconnect the main body ECU connector.
2. Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
3. Is the connector normal?

   Result

   Result
   Yes
   No

Result:  2

No 

See step  14

Result:  1

Yes 

See step  9

1. Verify that the main body ECU, front door lock (passenger's side), rear door lock (LH) and (RH) connectors are disconnected.
2. Inspect for continuity between the following terminal (wiring harness-side) and body ground:
   • Front door lock (RH) terminal F12-12*1 or F17-12*2
     • *1: w/o Smart Key System

       *2: w/ Smart Key System

3. Is there continuity?

   Result

   Result
   Yes
   No

Result:  2

Yes 

See step  13

Result:  1

No 

See step  10

1. Always reconnect all disconnected connectors.
2. Connect the negative battery cable.

   Refer to INSTALLATION [07/2015 - ]

3. Clear the DTC for the main body ECU using the Techstream.

   Refer to DTC CHECK / CLEAR [07/2015 - ]

   Body Electrical > Body Control Module > Clear DTCs 

4. Lock/unlock all the doors by operating the driver's door lock knob
5. Retrieve the main body ECU DTCs using the Techstream with the front door lock-link switch (passenger's side), rear door lock-link switch (LH) and (RH) not unlocked.

   Refer to DTC CHECK / CLEAR [07/2015 - ]

   Body Electrical > Body Control Module > Trouble Codes 

6. Is the same DTC displayed?

   Result

   Result
   Yes
   No

Result:  2

Yes 

See step  12

Result:  1

No 

See step  11

1. Are any other DTCs displayed?

   Result

   Result
   Yes
   No

Result:  1

Yes 

REPAIR OR REPLACE THE MALFUNCTIONING PART ACCORDING TO THE APPLICABLE DTC TROUBLESHOOTING. 

1. Refer to DIAGNOSTIC TROUBLE CODE CHART [07/2015 - ]

Result:  2

No 

DTC TROUBLESHOOTING COMPLETED. 

1. If the malfunction recurs, replace the main body ECU.

   Refer to REMOVAL [07/2015 - ]

2. Go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  11

• Front door lock (RH) terminal F12-12*1 or F17-12*2 - main body ECU terminal E1-7
• Rear door lock (LH) terminal F14-7*1 or F19-7*2 - main body ECU terminal E1-7
• Rear door lock (RH) terminal F15-12*1 or F20-12*2 - main body ECU terminal E1-7
  • *1: w/o Smart Key System

    *2: w/ Smart Key System

1. If there is a common connector:
   1. Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.
   2. Repair or replace the malfunctioning part.
2. If there is no common connector:

   Repair or replace the wiring harness which has a short to ground.

3. Go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  10

1. Then go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  10

1. Refer to REMOVAL [07/2015 - ]
2. Then go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  10

1. Then go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  10

1. Refer to REMOVAL [07/2015 - ]
2. Then go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  10

1. Then go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  10

1. Refer to REMOVAL [07/2015 - ]
2. Then go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  10

1. Then go to the next step.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  10