CAN Communication is a circuit, consists of CAN LOW and CAN HIGH, in order to communicate among control units.
Control Modules are respectively communicating via CAN line in order to control Body Electrical.
Smart Key module sets DTC B1689 if Smartkey Module have not received CAN signal from PDM for 3 sec.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
CAN signal check |
•
Poor Connection
•
Power source to Smart Key module
•
Power source to PDM
•
Short to battery in CAN communication line
•
Short to ground in CAN communication line
•
Short between CAN HIGH AND LOW communication line each other
•
Faulty Smartkey Module
•
Faulty PDM |
Enable Conditions |
•
IG ON | |
Threshold value |
•
No can signal message from PDM for 3 sec. | |
Failsafe |
•
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