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 > Touch Select 2-4 And High-low System: Transfer Synchronization Actuator Circuit High (P17A7)
DESCRIPTION This DTC is detected when a short to B+ is detected in the solenoid coil drive circuit. DTC Code DTC Detection Condition Diagnosis Condition Malfunction Status Malfunction Time Other Trouble Area P17A7 Ignition switch ON (when not switching between 2WD and 4H) Short to B+ in the solenoid ...
