DTC 13 Pressure Sensor Signal Freeze

DTC detecting condition:

Stuck malfunction of brake booster pressure sensor

Trouble symptom:

Brake vacuum pump does not operate.

CAUTION: Use the check board when measuring the ECM terminal voltage and resistance.

Wiring diagram:

Fig 1: Brake Booster Pressure Sensor - Wiring Diagram

Courtesy of SUBARU OF AMERICA, INC.

Fig 2: Brake Booster Pressure Sensor - Diagnostic Procedure Chart (1 Of 2)

Courtesy of SUBARU OF AMERICA, INC.

Fig 3: Brake Booster Pressure Sensor - Diagnostic Procedure Chart (2 Of 2)

Courtesy of SUBARU OF AMERICA, INC.