Test F: SJB Will Not Enter Sensor Training Mode

PINPOINT TEST F: SJB WILL NOT ENTER SENSOR TRAINING MODE

Normal Operation
For the smart junction box (SJB) to enter tire pressure monitoring system (TPMS) sensor training mode, the SJB must receive valid input from the brake pedal position switch (OFF-ON-OFF) and ignition switch (both OFF and RUN), and it must receive valid vehicle speed sensor input (0 km/h [0 mph]). Refer to Tire Pressure Monitoring System (TPMS) Sensor Training for the complete sensor training procedure.

F1:

F2-F4:

Possible Causes
^ Circuit open
^ Circuit shorted
^ Brake on/off (BOO) switch
^ Ignition switch
^ Smart junction box (SJB)