BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DESCRIPTION (2008 Sequoia)

Last Modified: 11-29-2007		1.6 C
Service Category: Brake	Section: Brake Control/Dynamic Control System
Model Year: 2008	Model: Sequoia	Doc ID: RM000001EFD015X
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DESCRIPTION (2008 Sequoia)

DTC

U0073/94

Control Module Communication Bus OFF

DTC

U0100/65

Lost Communication with ECM / PCM

DTC

U0114/27

Lost Communication with 4-Wheel Drive Clutch Control Module

DTC

U0123/62

Lost Communication with Yaw Rate Sensor Module

DTC

U0124/69

Deceleration Sensor Communication Circuit Malfunction

DTC

U0126/63

Lost Communication with Steering Angle Sensor Module

DESCRIPTION

The skid control ECU exchanges signals with the ECM, steering angle sensor, yaw rate and deceleration sensor, power steering ECU, main body ECU and combination meter via CAN communication.

DTC Code	DTC Detection Condition	Trouble Area
U0073/94	Bus off conditions continue for approximately 0.8 seconds.	CAN communication system
U0100/65	When CAN signal from ECM is lost or malfunctioning for 1.2 seconds.	CAN communication system ECM
U0114/27	When CAN signal from 4WD control ECU is lost or malfunctioning for 1.2 seconds.	CAN communication system 4WD control ECU
U0123/62	Supplied voltage normal (9.7 V or more), skid control ECU receives no yaw rate sensor data for 0.1 seconds.	CAN communication system Yaw rate sensor
U0124/69	Supplied voltage normal (9.7 V or more), skid control ECU receives no yaw rate sensor data for 0.1 seconds.	CAN communication system Yaw rate sensor
U0126/63	Supplied voltage normal (9.7 V or more), skid control ECU receives no steering angle sensor data for 0.1 seconds.	CAN communication system Steering angle sensor

INSPECTION PROCEDURE

PROCEDURE

1.	RECONFIRM DTC

(a) Clear the DTC(s) .

(b) Check if the same DTC(s) is output .

Result

Result	Proceed to
DTC is output	A
DTC is not output	B