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:

AV Signal Stoppage (Low Battery Voltage) (B158F)
DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio and display receiver assembly dropping temporarily. DTC Code DTC Detection Condition Trouble Area B158F A video or aud ...

System Description
SYSTEM DESCRIPTION 1. NAVIGATION SYSTEM OUTLINE (a) Vehicle position tracking methods It is essential that the navigation system correctly tracks the current vehicle position and displays it on the map. There are 2 methods to track the current vehicle position: autonomous (dead reckoning) and ...

Rear differential lock system
The rear differential lock system is provided for use only when wheel spinning occurs in a ditch or on a slippery or rugged surface. The rear differential lock system is effective in case one of the rear wheels is spinning. Press the RR DIFF LOCK switch to lock the rear differential. At thi ...

В© 2011-2024 Copyright www.ttguide.net