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: Lost Communication With Image Processing Module "A" (U023A)
DESCRIPTION These DTCs are stored when the CAN communication system is malfunctioning. DTC No. Detection Item DTC Detection Condition Trouble Area U023A Lost Communication With Image Processing Module "A" The main body ECU (multiplex network body ECU) does not receive data from the forward ...
