DTC B1311 [POWER LIFTGATE (PLG) SYSTEM]

id0902e9395200

DTC B1311 | Door lock-link switch circuit (unlock) failure
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DETECTION CONDITION | Open circuit in wiring harness between PLG control module and passenger-side door lock-link switch
POSSIBLE CAUSE | • Door lock-link switch front door latch and lock actuator (passenger-side) malfunction • 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 2B and body GND • PLG control module malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | INSPECT DOOR LOCK-LINK SWITCH • Disconnect the door lock-link switch (Passenger side) connector. • Inspect the door lock-link switch (Passenger side). (See FRONT DOOR LATCH AND LOCK ACTUATOR INSPECTION.) • 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.