Test C: All Door Locks Are Inoperative

PINPOINT TEST C: ALL DOOR LOCKS ARE INOPERATIVE

C1-C2:

C2-C4:

C4-C5:

Normal Operation - With Memory
The smart junction box (SJB) receives voltage for the door lock system on circuit SBB01 (RD). The door lock relays receive voltage from the SJB.

The SJB supplies voltage to lock all or unlock all relays and sends a controller area network (CAN) message to the driver door module (DDM) based upon input from the RH door lock control switch, the remote keyless entry (RKE) transmitter, or the keyless entry keypad. When the SJB supplies voltage to circuit CPL52 (VT/GY) and the DDM supplies voltage to circuit CPL51 (BU/GN), the door lock actuators unlock the doors. When the SJB supplies voltage to circuit CPL11 (GY/BN) and the DDM supplies voltage to circuit CPL02 (VT/GN), the door lock actuators lock the doors.

Normal Operation - Without Memory
The SJB receives voltage for the door lock system on circuit SBB01 (RD). The door lock relays receive voltage from the SJB.

The SJB supplies voltage to the lock all relay, the unlock driver door relay or unlock all relay based upon input from the door lock control switches, the RKE transmitter, or the keyless entry keypad. When the SJB supplies voltage to circuits CPL52 (VT/GY) (RH front, LH rear, RH rear doors), CPL51 (BU/GN) (LH front door) and ground through circuit CPL11 (GY/BN), the door latches unlock the doors. When the SJB supplies voltage to circuit CPL11 (GY/BN) and ground through circuit CPL52 (GY/BN) (RH front, LH rear, RH rear doors) and circuit CPL51 (BU/GN), the door latches lock the doors

Possible Causes
- Fuse(s)
- Circuit CPL11 (GY/BN) open or short to ground
- Circuit CPL51 (BU/GN) short to ground
- Circuit CPL52 (VT/GY) short to ground
- Circuit SBB01 (RD) open
- SJB