Normal Operation

The operating voltage required to supply the ABS module, hydraulic pump and isolation valves is in a range between 10 and 16 volts.

Fused battery voltage is supplied to the ABS module from the Battery Junction Box (BJB). Fused ignition voltage is supplied to the ABS module from the Smart Junction Box (SJB).

• DTC B1676 (Battery Pack Voltage Out of Range) - If during normal operation, the vehicle battery voltage becomes less than 9.7 volts for more than 210 ms with vehicle speed greater than 20 km/h (12 mph), or the vehicle battery voltage becomes greater than 18 volts at any time, DTC B1676 is set. Also, if during the ABS module self-test the vehicle battery voltage becomes higher than 18 volts, DTC B1676 sets.

This pinpoint test is intended to diagnose the following: 

• Fuse(s)
• Wiring, terminals or connectors
• Charging system
• ABS module