SYSTEM DIAGRAM 1. for Driver Side: 
2. for Passenger Side:  |
Toyota Tundra Service Manual > Trailer Brake Control System: Gain Rocker Switch (+) Circuit (C14A1,C14A2)
DESCRIPTION DTC No. Detection Item INF Code DTC Detection Condition Trouble Area C14A1 Gain Rocker Switch (+) Circuit 21 With the ignition switch turned to ON and the IG terminal voltage from 11 to 14 V, an open circuit occurs continuously in the GAIN (+) selection button internal circuit or wire ha ...
