Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

Last Modified: 11-13-2015 6.6 C Doc ID: RM000001EA502UX
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster): C1242; Open
Circuit in IG1/IG2 Power Source Circuit; 2016 MY Tacoma [08/2015 - ]
DTC C1242 Open Circuit in IG1/IG2 Power Source Circuit
DESCRIPTION
If there is a problem with the skid control ECU (master cylinder solenoid) power supply circuit, the skid control
ECU outputs the DTC and prohibits operation under the fail safe function.
If the voltage supplied to terminal IG1 and/or IG2 is not within the DTC detection threshold due to malfunctions
in parts such as the battery or alternator circuit, this DTC is stored.
DTC
NO.
DTC DETECTING CONDITION TROUBLE AREAS
C1242
Vehicle speed 3 km/h (1.9 mph) or more and voltage of skid control
ECU (master cylinder solenoid) terminal IG1 and/or IG2 remains at
below 6.5 V for more than 7 seconds.
Battery
IC regulator
Power source circuit
Skid control ECU
(master cylinder
solenoid)
WIRING DIAGRAM
cardiagn.com

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