Toyota Tacoma (2015-2018) Service Manual: Vehicle Stability Control System(for Hydraulic Brake Booster)
- Parts Location
- Precaution
- How To Proceed With Troubleshooting
- System Description
- System Diagram
- Check For Intermittent Problems
- Calibration
- Problem Symptoms Table
- Test Mode Procedure
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Fail-safe Chart
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Control History
- ABS Control System Malfunction (43)
- Control Module Communication Bus OFF (U0073,U0100,U0114,U0123,U0124,U0126)
- Zero Point Calibration of Yaw Rate Sensor Undone (C1210,C1336)
- SM Solenoid Circuit (C1225-C1228,C1468,C1469,C146A,C146B)
- Acceleration Sensor Stuck Malfunction (C1232,C1243,C1245,C1279)
- Low Power Supply Voltage Malfunction (C1241)
- Open Circuit in IG1/IG2 Power Source Circuit (C1242)
- Open in Pump Motor Circuit (C1251)
- Brake Booster Pump Motor on Time Abnormally Long (C1252)
- Pump Motor Relay (C1253)
- Pressure Sensor or Switch (C1254)
- Accumulator Low Pressure (C1256)
- Power Supply Drive Circuit (C1257)
- Transfer L4 Position Switch Circuit (C1268)
- Low Output Signal of Front Speed Sensor RH (Test Mode DTC) (C1271,C1272,C1401,C1402)
- Low Output Signal of Rear Speed Sensor RH (Test Mode DTC) (C1273,C1274,C1403,C1404)
- Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC) (C1275,...,C1414)
- Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC) (C1277,...,C1416)
- Open in ABS Solenoid Relay Circuit (C146E,C146F)
- ECM Communication Circuit Malfunction (C1203)
- Center Differential Lock Position Switch (C1282)
- Steering Angle Sensor Zero Point Malfunction (C1290)
- Diameter of the Tire is not Uniform (C1337)
- Downhill Assist Control Switch Malfunction (Test Mode DTC) (C1379)
- Acceleration Sensor Power Supply Voltage Malfunction (C1381)
- Open or Short in Front Speed Sensor RH Circuit (C1405,C1406)
- Open or Short in Rear Speed Sensor RH Circuit (C1407,C1408)
- Front Speed Sensor RH Performance (C1409,C1410)
- Rear Speed Sensor RH Performance (C1411,C1412)
- High Power Supply Voltage Malfunction (C1417)
- Acceleration Sensor Internal Circuit (C1419,C1435)
- Acceleration Sensor Malfunction (C1420)
- Open in Stop Light Switch Circuit (C1425)
- Steering Angle Sensor Power Source Voltage Malfunction (C1432)
- Steering Angle Sensor Internal Circuit (C1433)
- Steering Angle Sensor Output Malfunction (C1434)
- Yaw Rate Sensor Malfunction (C1436)
- Lost Communication with ECM (C1437)
- Steering Angle Sensor Initialization Incomplete (C1439,C1445)
- Steering Angle Sensor Unusual Bank Angle Detected (C1440)
- Invalid Data Received from Deceleration Sensor (C1442,C1443)
- Accumulator Low Pressure (C1452)
- Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC) (C1281,...,C1458)
- Master Cylinder Pressure Sensor Zero Point High Malfunction (C1422,C1456)
- Reservoir Level Switch Disconnected (C1453,C1454)
- ABS Warning Light does not Come ON
- ABS Warning Light Remains ON
- Crawl Indicator Light does not Come ON
- Crawl Indicator Light Remains ON
- Multi-terrain Select Indicator Light does not Come ON
- Multi-terrain Select Indicator Light Remains ON
- Brake Warning Light does not Come ON
- Brake Warning Light Remains ON
- TRAC OFF Indicator Light does not Come ON
- TRAC OFF Indicator Light Remains ON
- VSC OFF Indicator Light Remains ON
- Slip Indicator Light Remains ON
- VSC OFF Indicator Light does not Come ON
- AUTO LSD Indicator Light does not Come ON
- AUTO LSD Indicator Light Remains ON
- Slip Indicator Light does not Come ON
- A-TRAC Indicator Light does not Come ON
- A-TRAC Indicator Light Remains ON
- VSC Buzzer Circuit
Traction Off Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE ROOF CONSOLE BOX ASSEMBLY
(See page )
2. REMOVE A-TRAC SWITCH (TRACTION CONTROL SWITCH)
(a) Disconnect the A-TRAC ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Automatic Transmission
-
-
*1
FRONT SPEED SENSOR LH
*2
FRONT SPEED ...
Other materials:
VSC OFF Indicator Light does not Come ON
DESCRIPTION
Refer to VSC OFF Indicator Light Remains ON (See page
).
WIRING DIAGRAM
Refer to VSC OFF Indicator Light Remains ON (See page
).
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (master cylinder solenoid), perform
calibration (See page
).
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SEATBACK HEATER ASSEMBLY
(a) Check the operation of the front seatback heater assembly.
(1) Apply battery voltage and check the operation of the front seatback
heater assembly.
OK:
Connection
Conditio ...
Open in Stop Light Switch Circuit (C1425)
DESCRIPTION
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 ...
