DTC B1379: Power Tailgate Left Touch/Pinch Sensor Circuit Malfunction
| DTC Description | DTC |
|---|---|
| B1379 Power Tailgate Left Touch/Pinch Sensor Circuit Malfunction |
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC ChecksBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode 1 and Test Mode 2 (without the HDS)Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode B - Control Unit Not CommunicatingBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode C - No DTCs and Output Won't Shut OFFBody Electrical Troubleshooting - B-CAN System Diagnosis Test Mode D - No DTCs and Output Won't Turn ON .
- 1. Problem verification 1:
1. Clear the DTCs with the HDS.
2. Open the tailgate manually or with the remote.
3. Close the tailgate with the remote or driver's power tailgate switch.
4. Check for DTCs with the HDS.
DTC Description DTC B1379 Power Tailgate Left Touch/Pinch Sensor Circuit Malfunction Is DTC B1379 indicated?
YES
Go to step 2.
NO
Intermittent failure, the system is OK at this time. Check for loose or poor connections between the power tailgate control unit and the left power tailgate pinch sensor.
- 2. Problem verification 2:
1. Check for DTCs with the HDS.
DTC Description DTC B1378 Power Tailgate Right Touch/Pinch Sensor Circuit Malfunction Is DTC B1378 indicated?
YES
Go to step 3.
NO
Go to step 4.
- 3. Open wire check (PTG/PTL SEG2 line):
1. Turn the vehicle to the OFF (LOCK) mode.
2. Disconnect the following connectors.
Power tailgate control unit connector B (20P) Left power tailgate pinch sensor 2P connector 3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode Power tailgate control unit connector B (20P): disconnected
Left power tailgate pinch sensor 2P connector: disconnected
Test point 1 Power tailgate control unit connector B (20P) No. 14 Test point 2 Left power tailgate pinch sensor 2P connector No. 2 Is there continuity?
YES
Replace the power tailgate control unit .
NO
Repair an open or high resistance in the wire.
- 4. Determine possible failure area (left power tailgate pinch sensor, others):
1. Disconnect the following connector.
Left power tailgate pinch sensor 2P connector 2. Turn the vehicle to the ON mode.
3. Measure the voltage between test points 1 and 2.
Test condition Vehicle ON mode Left power tailgate pinch sensor 2P connector: disconnected
Test point 1 Left power tailgate pinch sensor 2P connector No. 1 Test point 2 Body ground Is there battery voltage?
YES
Replace the left power tailgate pinch sensor .
NO
Go to step 5.
- 5. Open wire check (PTG/PTL TSLL line):
1. Measure the voltage between test points 1 and 2.
Test condition Vehicle ON mode Left power tailgate pinch sensor 2P connector: disconnected
Test point 1 Power tailgate control unit connector B (20P) No. 15 Test point 2 Body ground Is there battery voltage?
YES
Repair an open or high resistance in the wire.
NO
