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 > Front Power Seat Control System(w/ Memory): Reclining Sensor Malfunction (B2651)
DESCRIPTION When the position control ECU and switch assembly does not receive a sensor signal despite forward or rearward movement of the seatback by power seat motor operation, this DTC is stored. DTC Code DTC Detection Condition Trouble Area B2651 The forward and rearward lock detection position ...

Toyota Tundra Owners Manual