C1109 INFINITI, NISSAN: POWER AND GROUND SYSTEM
POST UPDATED IN June, 2023
C1109 INFINITI, NISSAN: POWER AND GROUND SYSTEM
ABS (Anti-Lock Brake System) is a system used to prevent wheel lock-up while the brakes are applied. The ABS has an Actuator and an Electrical Unit that constantly checks the proper functioning of the system. If conditions indicating possible wheel locking are found, the braking pressure applied to the wheel is adjusted and locking is prevented.
The Anti-lock Braking System (ABS), Module Actuator, and the Electrical Unit or Control Unit monitor the power supplies. If after such checks they discover that the ABS Module power supply voltage is lower than allowed, the fault code C1109 OBD2 will be set.
The reasons for the C1109 OBDII diagnostic code being stored are:
In order to resolve the DTC C1109 OBD2 code you must do the following: