3. READ VALUE USING TECHSTREAM (MASTER CYLINDER PRESSURE SENSOR)
(a) Select the Data List on the Techstream See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Data List / Active Test.
ABS/VSC/TRAC
(b) Check that the brake fluid pressure value of the master cylinder pressure sensor observed on the Techstream changes when the brake
pedal is depressed.
OK:
When the pedal is depressed, voltage displayed on the Techstream increases.
NG -- REPLACE BRAKE ACTUATOR ASSEMBLY See: Brakes and Traction Control/Antilock Brakes / Traction Control
Systems/Hydraulic Control Assembly - Antilock Brakes/Service and Repair/Removal
OK -- Continue to next step.
4. PERFORM TEST MODE (SIGNAL CHECK)
(a) Turn the engine switch off.
(b) Perform the sensor check in the Test Mode procedure See: Brakes and Traction Control/Antilock Brakes / Traction Control
Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Test Mode Procedure.
OK:
All Test Mode DTCs are cleared.
NG -- REPLACE BRAKE ACTUATOR ASSEMBLY See: Brakes and Traction Control/Antilock Brakes / Traction Control
Systems/Hydraulic Control Assembly - Antilock Brakes/Service and Repair/Removal
OK -- CHECK FOR INTERMITTENT PROBLEMS See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
5. INSPECT SKID CONTROL ECU (STP1 TERMINAL)
(a) Turn the engine switch off.
(b) Make sure that there is no looseness at the locking part and the connecting part of the connector.
(c) Disconnect the skid control ECU connector.
(d) Measure the voltage according to the value(s) in the table below.
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