Test B: SJB Will Not Enter Sensor Training Mode

Pinpoint Test B: SJB Will Not Enter Sensor Training Mode

Normal Operation
For the smart J unction box (SJB) to enter tire pressure monitoring system (TPMS) sensor training mode, the SJB must receive valid input from the brake pedal position switch and ignition switch, and it must receive valid vehicle speed sensor input from the ABS/TC/IVD module.

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

B1-B3:

PINPOINT TEST B: SJB WILL NOT ENTER SENSOR TRAINING MODE