DTC B1311 [POWER LIFTGATE (PLG) SYSTEM]

id0902e9395200

DTC B1311

Door lock-link switch circuit (unlock) failure
DETECTION CONDITION
Open circuit in wiring harness between PLG control module and door lock-link switch (passenger-side)
POSSIBLE CAUSE
•  Open circuit in wiring harness between PLG control module terminal 3N and front door latch and lock actuator (passenger-side) terminal 2A
•  Open circuit in wiring harness between PLG control module terminal 3C and front door latch and lock actuator (passenger-side) terminal 2B
•  Open circuit in wiring harness between front door latch and lock actuator (passenger-side) terminal 2E and body GND
•  Front door latch and lock actuator (passenger-side) malfunction
•  PLG control module malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
INSPECT DOOR LOCK-LINK SWITCH
•  Disconnect the door lock-link switch (passenger-side) connector.
•  Inspect the door lock-link switch (passenger-side).
•  Is the door lock-link switch normal?
Yes
Go to the next step.
No
Replace the front door latch and lock actuator.
(See FRONT DOOR LATCH AND LOCK ACTUATOR REMOVAL/INSTALLATION.)
Go to Step 3.
2
INSPECT THE FOLLOWING WIRING HARNESSES
•  Disconnect the PLG control module connector.
•  Disconnect the door lock-link switch (passenger-side) connector.
•  Inspect the wiring harness between PLG control module terminal 3N and front door latch and lock actuator terminal 2A for an open circuit.
•  Inspect the wiring harness between PLG control module terminal 3C and front door latch and lock actuator terminal 2B for an open circuit.
•  Inspect the wiring harness between front door latch and lock actuator terminal 2E and body ground for an open circuit.
•  Are the wiring harnesses normal?
Yes
Go to the next step.
No
Repair or replace the wiring harness.
Go to the next step.
3
VERIFY CORRECTION COMPLETED
•  Reconnect the disconnected connector.
•  Clear the DTC.
•  Is DTC B1311 displayed after 10 s or more have elapsed.
Yes
Replace the PLG control module.
(See POWER LIFTGATE (PLG) CONTROL MODULE REMOVAL/INSTALLATION.)
No
DTC troubleshooting completed.