DTC C1319/35: SCSS Changeover Solenoid Malfunction: Procedure

1. Make sure that there is no looseness at the locking part and the connecting part of the connector.
   Fig 1: Identifying Brake Stroke Simulator Cylinder Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the brake stroke simulator cylinder connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 (BSR) - 2 (SCSS)	Always	21.45 to 23.15 Ω
   1 (BSR) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Component without harness connected (Brake Stroke Simulator Cylinder)

NG → See step   6 

OK: Go to next step 

1. Make sure that there is no looseness at the locking part and the connecting part of the connector.
   Fig 2: Identifying Skid Control ECU & Brake Stroke Simulator Cylinder Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the A46 skid control ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   A46-5 (SS) - A51-2 (SCSS)	Always	Below 1 Ω
   A46-5 (SS) - Body ground	Always	10 kΩ or higher
   A46-2 (BS03) - A51-1 (BSR)	Always	Below 1 Ω
   A46-2 (BS03) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Skid Control ECU)
   *2	Front view of wire harness connector (to Brake Stroke Simulator Cylinder)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Reconnect the skid control ECU connector and the brake stroke simulator cylinder connector.
   Fig 3: Identifying Skid Control ECU Connector Terminals

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the ignition switch to ON.
3. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   A46-5 (SS) - Body ground	Brake pedal depressed approximately 1.5 seconds after ignition switch turned to ON	Below 1.5 V

   TEXT IN ILLUSTRATION
   
   

   *1	Component with harness connected (Skid Control ECU)

NG → See step   7 

OK: Go to next step 

1. Turn the ignition switch off.
2. Clear the DTCs, refer to DTC CHECK / CLEAR .
3. Turn the ignition switch to ON (READY).
4. Check if the same DTC is recorded, refer to DTC CHECK / CLEAR .

   Result

   Result	Proceed to
   DTC (C1319/35) is not output	A
   DTC (C1319/35) is output	B

B → See step   7 

A → See step   5