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 > Lighting System: Parking Brake Switch Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) detects the condition of the parking brake switch assembly. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (a) Using the Techstream, read the Data List. Click here Main Body Tester Display Measurement Item / Range Normal Condition D ...
