Description
The malfunction information related to TCS is transferred via the CAN communication line from "ABS actuator and electric unit (control unit)" to ECM.
Be sure to erase the malfunction information such as DTC not only for "ABS actuator and electric unit (control unit)" but also for ECM after TCS related repair.
DTC Logic
DTC DETECTION LOGIC
Freeze frame data is not stored in the ECM for this self-diagnosis.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is more than 10.5 V at idle.
2.PERFORM DTC CONFIRMATION PROCEDURE
Cooling fan control
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*1: The ECM determines the start signal status by the signals of engine speed
and battery voltage.
*2: This signal is sent to ECM via the CAN communication line.
SYSTEM DESCRIPTION
The ECM controls the cooling fan correspon ...
Automatic drive positioner control unit
Removal and Installation
REMOVAL
Remove audio unit. Refer to AV-73, "Removal and Installation"
(BASE AUDIO), AV-161, "Removal and Installation" (BOSE W/MONOCHROME
DISPLAY), AV-481, "Removal and Installation" (BOSE W/ COLOR DISPLAY),
AV-652, "Removal and Installation" (BOSE W/COLOR DISP ...
U1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, an ...