Toyota Tundra Service Manual: 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 support assembly.
When there is a malfunction in the brake pedal load sensing switch, replace the brake pedal support assembly.

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

Text in Illustration

*1	Brake Pedal Load Sensing Switch	-	-
*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	900 to 1100 Ω
2 (FSW+) - 1 (FSW-)	Brake pedal released	192 to 234 Ω

Toyota Tundra Service Manual > Sfi System: Evaporative Emission Pressure Switching Valve Stuck OFF (P2420)
DTC SUMMARY DTC No. Monitoring Item Malfunction Detection Condition Trouble Area Detection Timing Detection Logic P2420 Vent valve stuck open (vent) Following condition met during key-off EVAP monitor: EVAP pressure change when vent valve closed (ON) less than 0.3 kPa-g (2.25 mmHg-g) Canister pump m ...

Toyota Tundra Owners Manual