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On-Vehicle Inspection

INSPECT BRAKE PEDAL LOAD SENSING SWITCH

NOTE:

Do not remove the brake pedal load sensing switch from the brake pedal support assembly.
When there is a malfunction in the brake pedal load sensing switch, replace the brake pedal support assembly.

Turn the engine switch off
Make sure that there is no looseness at the locking part and the connecting part of the connector.
Disconnect the brake pedal load sensing switch connector

Fig 1: Inspecting Brake Pedal Load Sensing Switch
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

Standard Resistance

STANDARD RESISTANCE

Tester Connection	Switch Condition	Specified Condition
1 - 2	Brake pedal load sensing switch OFF (Brake pedal depressed)	950 to 1050 Ω
1 - 2	Brake pedal load sensing switch ON (Brake pedal released)	203 to 223 Ω

If the value is not as specified, replace the brake pedal support assembly.