Tacoma

Toyota Tacoma 2015-2018 Brake Workshop Manual

Last Modified: 11-13-2015 6.6 C Doc ID: RM000003NL20CHX
Model Year Start: 2016 Model: Tacoma Prod Date Range: [08/2015 - ]
Title: BRAKE CONTROL: VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster): C1440; Steering
Angle Sensor Unusual Bank Angle Detected; 2016 MY Tacoma [08/2015 - ]
DTC C1440 Steering Angle Sensor Unusual Bank Angle Detected
DESCRIPTION
If the skid control ECU (master cylinder solenoid) determines that the vehicle is being driven at a steep bank
angle, the skid control ECU (master cylinder solenoid) 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.
HINT:
DTC C1440 and the yaw rate and acceleration sensor (airbag sensor assembly) DTC are stored when the
skid control ECU (master cylinder solenoid) determines that the vehicle is being driven at a steep bank
angle and either of the following conditions is met:
The yaw rate and acceleration sensor (airbag sensor assembly) is installed at an angle.
The yaw rate and acceleration sensor (airbag sensor assembly) signal output is stuck.
DTC CODE DTC DETECTION CONDITION TROUBLE AREA
C1440 Driving at a steep bank angle. Yaw rate and acceleration sensor (airbag sensor assembly)
INSPECTION PROCEDURE
PROCEDURE
1. CHECK DTC
(a) Clear the DTCs .
(b) Perform a road test.
(c) Check if the same DTC is output .
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
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