Toyota 4Runner: On-vehicle Inspection

Toyota 4Runner Service Manual / Brake / Brake System (other) / Brake Pedal(for Vacuum Brake Booster) / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT BRAKE PEDAL LOAD SENSING SWITCH

HINT:

Do not remove the brake pedal load sensing switch from the brake pedal lever sub-assembly.
When there is a malfunction in the brake pedal load sensing switch, replace the brake pedal lever sub-assembly.
The illustration below is for LHD vehicles. Check the brake pedal load sensing switch for RHD vehicles using the same procedure as for LHD vehicles.

(a) Disconnect the brake pedal load sensing switch connector.

Text in Illustration

*1	Brake Pedal Load Sensing Switch	*2	Brake Pedal Support Assembly
*a	Brake Pedal Released (ON)	*b	Brake Pedal Depressed (OFF)

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
2 (FSW+) - 1(FSW-)	Brake pedal depressed	0.9 to 1.1 kΩ
2 (FSW+) - 1(FSW-)	Brake pedal released	192 to 234 Ω

If the result is not as specified, replace the brake pedal support assembly (See page ).

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