CHECK MODE PROCEDURE 1. LIST OF OPERATION METHODS By operating each of the A/C control switches as shown in the diagram below, it is possible to enter the diagnostic check mode. ![]() |
Toyota Tundra Service Manual > Dynamic Radar Cruise Control System: Communication Error from ECM to VSC (P1631)
DESCRIPTION The ECM sends signals such as A/T information signals, dynamic radar cruise control operation signals, brake operation demand signals, and buzzer operation demand signals to the skid control ECU (brake actuator assembly) when the dynamic radar cruise control is operating. Therefore, if t ...