Check here:
http://www.nissanhelp.com/Models/2006/Titan Crew Cab/Description.htm
More specifically, here:
NTB06-040
2004–2006 NISSAN TITAN AND ARMADA; ABS AND/OR BRAKE WARNING LIGHT ON WITH DTC C1179
A customer reports:
• The brake warning light is or was ON,
and/or
• The ABS warning light is or was ON,
and/or
• There is or was vibration* in the brake pedal while braking.
* This vibration is the rapid consistent-speed pedal pulsation that is felt when the ABS is activated.
http://www.nissanhelp.com/Models/2006/Titan Crew Cab/Description.htm
More specifically, here:
NTB06-040
2004–2006 NISSAN TITAN AND ARMADA; ABS AND/OR BRAKE WARNING LIGHT ON WITH DTC C1179
A customer reports:
• The brake warning light is or was ON,
and/or
• The ABS warning light is or was ON,
and/or
• There is or was vibration* in the brake pedal while braking.
* This vibration is the rapid consistent-speed pedal pulsation that is felt when the ABS is activated.