ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY (a) Apply the parking brake and turn the ignition switch to ON. (b) Depress the brake pedal and check that the engine starts when the shift lever is in N or P, but does not start when the shift lever is in other positions. (c) Check that the back-up light illuminates and the reverse warning buzzer sounds when the shift lever is in R, but do not function when the shift lever is in other positions. |
Toyota Tundra Service Manual > Power Door Lock Control System: Improper Operation
DESCRIPTION In cases where doors locked (lock) by themselves even though a door lock operation was not performed, possible causes include vehicle-side malfunction, environmental malfunction, or operation by the customer (including other passengers in the vehicle). By using the operation history, the ...
