Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

Last Modified: 11-13-2015 6.6 C Doc ID: RM000005VB6000X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): C1422; Master
Cylinder Pressure Sensor Zero Point High Malfunction; 2016 MY Tacoma [08/2015 - ]
DTC C1422 Master Cylinder Pressure Sensor Zero Point High Malfunction
DESCRIPTION
DTC
NO.
DETECTION ITEM DTC DETECTION CONDITION TROUBLE AREA
C1422
Master Cylinder
Pressure Sensor Zero
Point High
Malfunction
When vehicle speed is 3 km/h (2 mph) or more
and stop light switch assembly is OFF, master
cylinder pressure continuously exceeds 1.764
MPa (18.0 kgf/cm
2
, 255 psi) for 5 seconds or
more.
STOP fuse
Stop light switch
assembly
Wire harness or
connector
Skid control ECU
(Brake actuator
assembly)
Brake actuator
assembly (Master
cylinder pressure
sensor)
WIRING DIAGRAM
Refer to DTC C1380 .
INSPECTION PROCEDURE
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store
system information .
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. CHECK DTC
(a) Clear the DTCs .
(b) Turn the ignition switch off.
(c) Start the engine.
(d) Perform a road test.
(e) Check for DTCs .
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