Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Unusual Bank Angle Detected (C1440)

DESCRIPTION

If the skid control ECU (brake actuator assembly) determines that the vehicle is being driven at a steep bank angle, the skid control ECU (brake actuator assembly) stores DTC C1440 while VSC operation is temporarily disabled.

This is not a malfunction if the system and sensor circuits are normal and normal VSC operation resumes.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1440

Steering Angle Sensor Unusual Bank Angle Detected

Driving at a steep bank angle

Yaw rate and acceleration sensor (Airbag sensor assembly)

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs (See page ). (b) Turn the ignition switch off. ).

(b) Turn the ignition switch off.

(c) Start the engine.

(d) Perform a road test.

(e) Check if the same DTC is recorded (See page Result Result ).

Result

Result

Proceed to

DTC C1440 is output

A

DTC C1440 is not output

B

Yaw rate and acceleration sensor DTC is output

C

B

END

C

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

A

2.

CLEAR DTC

(a) Clear the DTCs (See page ). ).

HINT:

  • If the skid control ECU (brake actuator assembly) determines that the vehicle is being driven at a steep bank angle, the skid control ECU (brake actuator assembly) stores DTC C1440 while VSC operation is temporarily disabled.
  • It is not a malfunction if the system and sensor circuits are normal and if the normal VSC operation resumes, which automatically clears DTC C1440, after the vehicle is returned to a normal position.
NEXT

END

Steering Angle Sensor Initialization Incomplete (C1439,C1445)
DESCRIPTION The skid control ECU (brake actuator assembly) acquires steering angle sensor zero point every time the ignition switch is turned ON and the vehicle is driven at 35 km/h (22 mph) or m ...

Open in ABS Solenoid Relay Circuit (C146E,C146F)
DESCRIPTION The ABS solenoid relay supplies power to the ABS solenoid and TRAC solenoid. The solenoid relay is turned on 1.5 seconds after the ignition switch is turned ON, and is turned off if an ...

Other materials:

Data List / Active Test
DATA LIST / ACTIVE TEST 1. READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or sig ...

Front Blower Motor
Inspection INSPECTION PROCEDURE 1. INSPECT BLOWER MOTOR (a) Inspect the blower motor. (1) Connect the positive (+) lead from to terminal 1 and negative (-) lead to terminal 2, then check that the motor operates smoothly. CAUTION: Use safety glasses Do ...

Front passenger occupant classification system
Your vehicle is equipped with a front passenger occupant classification system. This system detects the conditions of the right front passenger seat and activates or deactivates the devices for the front passenger. 1. SRS warning light 2. Front passenger’s seat belt reminder light 3. AIR ...

© 2011-2025 Copyright www.ttguide.net