SYSTEM DESCRIPTION
1. LIN COMMUNICATION SYSTEM DESCRIPTION
The LIN communication system is used for communication between the components in the table below. If communication cannot be performed through LIN communication because of an open in the communication lines or other reason, the master control ECU of the relevant system will store a DTC. Refer to the table below about the communication bus lines and connected components.
HINT:
Each component has a fail-safe function which activates to maintain the minimum performance of the system and protect the system.
Door Bus Lines
Component |
Master Control |
LIN Communication DTC Output Function |
---|---|---|
Main Body ECU (Driver Side Junction Block Assembly) |
○ |
○ |
Power Window Regulator Motor Assembly (for Driver Side) |
- |
- |
Power Window Regulator Motor Assembly (for Front Passenger Side) |
- |
- |
Power Window Regulator Motor Assembly (for Rear LH Side) |
- |
- |
Power Window Regulator Motor Assembly (for Rear RH Side) |
- |
- |
Multiplex Network Master Switch Assembly |
- |
- |
Sliding Roof ECU (Sliding Roof Drive Gear Assembly)* |
- |
- |
Component |
Master Control |
LIN Communication DTC Output Function |
---|---|---|
Certification ECU (Smart Key ECU Assembly) |
○ |
○ |
Power Source Control ECU (Power Management Control Computer Assembly) |
- |
○ |
Steering Lock ECU (Steering Lock Actuator Assembly) |
- |
- |
Component |
Master Control |
LIN Communication DTC Output Function |
---|---|---|
Air Conditioning Amplifier Assembly |
○ |
- |
Air Conditioning Control Assembly |
- |
- |
Component |
Master Control |
LIN Communication DTC Output Function |
---|---|---|
AFS ECU (Headlight Swivel ECU Assembly) |
○ |
- |
Inner Rear View Mirror Assembly |
- |
- |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedure to troubleshoot the seat belt warning system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
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Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the terminal is reconnected.
System Name
...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Sliding Roof (Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly))
DTC Code
Detection Item
Trouble Area
See page
B2341
Sensor (Motor) Failure
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