Last Modified: 11-13-2015 6.6 C Doc ID: RM000000XIE0W7X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster): C1425; Open in
Stop Light Switch Circuit; 2016 MY Tacoma [08/2015 - ]
DTC C1425 Open in Stop Light Switch Circuit
The skid control ECU (master cylinder solenoid) inputs stop light switch signals and the brake operation condition.
The skid control ECU (master cylinder solenoid) has an open detection circuit, which outputs this DTC when
detecting an open circuit in the stop light input line or the ground line of the stop light circuit with the stop light
switch off (brake pedal not depressed).
DTC DETECTION CONDITION TROUBLE AREA
When the IG1 terminal voltage is between 9.5 and 17.4 V and the skid
control ECU (master cylinder solenoid) STPO terminal output is off, an
open in the stop light switch circuit (A to B, A to body ground) continues
for 3 seconds or more.
Stop light switch
Skid control ECU