DESCRIPTION The forward recognition camera receives a lane departure alert switch signal from the steering pad switch assembly. WIRING DIAGRAM  CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System. Click here PROCEDURE
(a) Remove the steering pad switch assembly. Click here (b) Inspect the steering pad switch assembly. Click here
(a) Remove the spiral with sensor cable sub-assembly. Click here
(b) Inspect the spiral with sensor cable sub-assembly. Click here
(a) Disconnect the J45 spiral with sensor cable sub-assembly connector. (b) Disconnect the W9 forward recognition camera connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(d) Connect the W9 forward recognition camera connector. (e) Connect the J45 spiral with sensor cable sub-assembly connector.
(a) Disconnect the J45 spiral with sensor cable sub-assembly connector. (b) Disconnect the A24 ECM connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(d) Connect the J45 spiral with sensor cable sub-assembly connector. (e) Connect the A24 ECM connector.
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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 ...
