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Thursday, December 9, 2010

How Body CAN Communication Control B1602.

How Body CAN Communication Control B1602.

 

How Body CAN Communication Control B1602.

Model: Hyundai Sonata YF

Year of Model: 2011

Fuel: Gasoline

Displacement: 2400cc

2011  G 2.4 DOHC  BCM  Smart Junction Box  B1602 CAN Error

 

 

Study Guide and Component Location

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Study Guide and General Description

Study This is DTC which is related with communication error between SJB and other units.

※ Body CAN communication Control Units : Study BCM(Body Control Module), CLU(Cluster), PDM(Power Distribution Module), SMK(Smart Key), SJB(Smart Junction Box).

*¹ CAN (Controller Area Network) : Study CAN is serial bus communication type which links not only communication system but also control units each other.

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DTC Description

Type

Condition

Remark

1

Study CANH Circuit Open

B1602 is presented when IC detects one of errors among 7 types under normal communication condition.
According to operation condition, some of module which are connected to CAN line may not detect B1602.Also, B1603 can be detected together.

2

Study CANL Circuit Open

3

Study CANH Circuit Short to Power

4

Study CANL Circuit Short to Power

5

Study CANH Circuit Short to Ground

6

Study CANL Circuit Short to Ground

7

StudyCANH and CANL Short to each other

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

Study

CAN Communication Check

SJB are not Sleep 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 L

Study

Enable Conditions

SJB power on

(Under normal communication)

Study

Threshold Value

CAN high : 0V or B+

CAN low : 0V or B+

Study

Diagnostic Time

2 sec

Study

DTC Erasing Time

DTC is erased immediately after trouble fixed

3 comments:

Unknown said...

Sometimes is becomes very hard to take appreciation for your hard work. But sometime only few technical point makes your work worthwhile. Suggestion under this blog is quite good.Hyundai car dealers in Mumbai

Anonymous said...

wow i learned so much thanks you :P signed man from india

Unknown said...

I have a problem about Hyundai tucson,2011 model, no communication between the vehicle and diagnostic tool.the vehicle wont start,totally blackout.i need someone who can help me.

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