Up to 08/2009
BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: C1430,C1431: Brake Pedal
Load Sensing Switch OFF Stuck Malfunction
DESCRIPTION
The brake pedal load sensing switch is turned on when the brake pedal is depressed with force exceeding a predetermined level.
The skid control ECU detects if the brake pedal is depressed or not via this circuit.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
When replacing the brake actuator assembly, perform zero point calibration and store system information See: Brakes and
Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Programming and Relearning.
HINT
When DTC C1425 and/or C1426 is output together with DTC C1430 and/or C1431, inspect and repair the trouble areas indicated
by DTC C1425 and/or C1426 first See: C1425, or See: C1426).
PROCEDURE
1. READ VALUE USING TECHSTREAM (STOP LIGHT SWITCH AND BRAKE PEDAL LOAD SENSING SWITCH)
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) 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.
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