B1602 is presented when IC detects one of errors among 8 types under normal communication condition.
① CAN High Line short to battery
② CAN Low Line short to battery
③ CAN High Line short to ground
④ CAN Low Line short to ground
⑤ CAN High and Low line short to each other
⑥ CAN High Line short to 5V power
⑦ CAN High Line open
⑧ CAN Low Line open
※ Each module on the CAN BUS Line may or may not have detected "B1602 CAN Error". When "B1602 CAN Error" is detected, "B1603 CAN BUS OFF" may or may not have been detected.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check CAN Communication | 1. CAN High Line Short to Battery 2. CAN Low Line Short to Battery 3. CAN High Line Short to Ground 4. CAN Low Line Short to Ground 5. CAN Low Line Short to Ground |
Enable Conditions |
•
Battery(+) | |
Threshold Value |
•
Transceiver Error Detection | |
Diagnostic Time |
•
2 sec | |
DTC Erasing Time |
•
CAN Communication Normal Resumption |
