Toyota Tacoma (2015-2018) Service Manual: Motor Circuit Malfunction (C1428)
DESCRIPTION
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
C1428 |
Motor Circuit Malfunction |
With the motor relay and motor fail-safe relay OFF, open or short in motor circuit continues for 2 seconds or more. |
Brake actuator assembly (Motor circuit) |
WIRING DIAGRAM
Refer to DTCs C142B, C146C and C146D (See page
.gif)
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform zero point
calibration and store system information (See page
).
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (GND2 TERMINAL) |
(a) Turn the ignition switch off.
(b) Make sure that there is no looseness at the locking part and the connecting part of the connectors.
(c) Disconnect the S1 skid control ECU (brake actuator assembly) connector.
|
(d) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
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| OK | .gif) |
REPLACE BRAKE ACTUATOR ASSEMBLY |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GND2 CIRCUIT) |
Motor Power Supply Voltage Circuit (C142B-C146D)
DESCRIPTION
The motor relay and motor fail-safe relay are built into the brake actuator assembly.
During ABS, TRAC, VSC, or brake assist operation, the skid control ECU (brake
actuator assembly) t ...
Steering Angle Sensor Power Source Voltage Malfunction (C1432)
DESCRIPTION
The skid control ECU (brake actuator assembly) outputs this DTC when it receives
a sensor power source malfunction signal from the steering angle sensor.
DTC No.
...
Other materials:
Using the radio
Select “AM” or “FM” on the “Select Audio Source” screen to begin listening
to the radio.
Audio control screen
“Select Audio Source” screen
appears
Preset stations
Select to display RBDS text
message
Scanning for receivable station
Sele ...
Calibration
CALIBRATION
1. DESCRIPTION
(a) After replacing any VSC related components or performing wheel alignment
adjustment, clear and read the sensor calibration data.
Refer to the table below and then perform the necessary operation according to
the part to be replaced in order to perform calibratio ...
Terminals Of Ecm
TERMINALS OF ECM
HINT:
The standard normal voltage between each pair of ECM terminals is shown in the
table below. The appropriate conditions for checking each pair of terminals are
also indicated. The result of checks should be compared with the standard normal
voltage for that pair of te ...
