Toyota Tundra Service Manual: Parking Brake Switch

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. REMOVE PARKING BRAKE SWITCH ASSEMBLY

2. CHECK PARKING BRAKE SWITCH ASSEMBLY

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

Standard resistance:

Tester Connection	Switch Condition	Specified Condition
1 - Switch body ground	Parking brake switch ON (Switch pin released)	Below 1 Ω
1 - Switch body ground	Parking brake switch OFF (Switch pin pushed in)	10 kΩ or higher

If the result is not as specified, replace the parking brake switch assembly.

3. INSTALL PARKING BRAKE SWITCH ASSEMBLY

Toyota Tundra Service Manual > Automatic Transmission System: Shift Solenoid "A" Control Circuit Low (Shift Solenoid Valve S1) (P0973,P0974)
DESCRIPTION Shifting from 1st to 6th is performed in combination with ON and OFF operation of the shift solenoid valves SL1, SL2, S1, S2, S3, S4 and SR, which are controlled by the ECM. If an open or short circuit occurs in any of the shift solenoid valves, the ECM controls the remaining normal shif ...

Toyota Tundra Owners Manual