Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

Last Modified: 11-13-2015 6.6 C Doc ID: RM000005VAV000X
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Vacuum Brake Booster): C1427; Motor
Malfunction; 2016 MY Tacoma [08/2015 - ]
DTC C1427 Motor Malfunction
DESCRIPTION
DTC
NO.
DETECTION
ITEM
DTC DETECTION CONDITION TROUBLE AREA
C1427
Motor
Malfunction
Actuator pump motor does not operate
properly.
Brake actuator assembly (Ground
circuit)
Brake actuator assembly (Motor
circuit)
Wire harness or connector
WIRING DIAGRAM
Refer to DTCs C142B, C146C and C146D .
INSPECTION PROCEDURE
NOTICE:
W
hen replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store
system information
.
PROCEDURE
1. PERFORM ACTIVE TEST USING TECHSTREAM (MOTOR RELAY)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / ABS/VSC/TRAC / Active Test.
(e) According to the display on the Techstream, perform the Active Test.
ABS/VSC/TRAC
TESTER DISPLAY MEASUREMENT ITEM CONTROL RANGE DIAGNOSTIC NOTE
Motor Relay Motor relay Relay ON / OFF
Operating sound of motor can be heard.
Vehicle condition: Vehicle stopped
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