SYSTEM DESCRIPTION 1. GENERAL (a) The heater and blower both have 3 levels controlled by operating the seat heater switch, which is located in the air conditioning control assembly. (b) The on/off state of the heater or blower can be determined by checking if the seat heater switch indicator light is on or off. (c) The blowers of both seats are controlled by the air conditioning amplifier assembly. (d) The seat heaters of both seats are controlled by the seat heater controls, which are located under their respective seats. |
Toyota Tundra Service Manual > Cruise Control System: Brake System Malfunction (P1578)
DESCRIPTION This DTC is stored when the vehicle stability control system has a problem. Check the vehicle stability control system when DTC P1578 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area P1578 Brake System Malfunction When the ignition switch ON and the cruise control s ...