Test I: DTC C1285 - Booster Solenoid Circuit Failure

Pinpoint Test I: DTC C1285 - Booster Solenoid Circuit Failure

Normal Operation
The active brake booster has internal solenoids that assist driver brake applications or can apply the brakes when needed if the vehicle loses control.

Power is supplied by circuit 8-CF68 (WH/RD). Ground is provided through circuit 9-CF68 (BN/RD).

Possible Causes
^ Power circuit 8-CF68 (WH/RD) open
^ Ground circuit 9-CF68 (BN/RD) open
^ Active brake booster
^ ABS module

I1-I2:

I2-I3:

I4-I6: