DTC    C1310/11    Open or Short in Active Brake Booster Circuit

for Preparation Click here


DESCRIPTION

Operates when booster's negative pressure is insufficient and allows for a stable braking control.

DTC Code
DTC Detection Condition
Trouble Area
C1310/11
Open or short in active brake booster solenoid circuit.
  1. Brake booster
  2. Active brake booster solenoid circuit

WIRING DIAGRAM


C152739E05


INSPECTION PROCEDURE

NOTICE:
When replacing the VSC actuator assembly, perform the zero point calibration (Click here).

HINT:
When the brake warning light illuminates, inspect and repair the trouble areas of the brake booster vacuum line first.
1.CHECK BRAKE BOOSTER ASSEMBLY


    C152740E03

  1. Disconnect the A18 booster connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    3 (BST) - 4 (BSTP)
    		Always
    		1.1 to 1.7 Ω


NG
REPLACE BRAKE BOOSTER ASSEMBLY (Click here)
OK


2.CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - ACTIVE BRAKE BOOSTER)


    C241191E02

  1. Confirm that the skid control ECU connector and active brake booster connector are properly connected.

  1. Disconnect the A17 ECU connector.

  1. Disconnect the A18 booster connector.

  1. Inspect both the connector case and the terminal for deformation and corrosion.

    OK:
    No deformation or corrosion.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    A17-31 (BST) - A18-3 (BST)
    		Always
    		Below 1 Ω
    A17-31 (BST) - Body ground
    		Always
    		10 kΩ or higher
    A17-17 (BSTP) - A18-4 (BSTP)
    		Always
    		Below 1 Ω
    A17-17 (BSTP) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE VSC ACTUATOR ASSEMBLY (Click here)