LIN COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART

LIN COMMUNICATION SYSTEM
DTC Code Detection Item Trouble Area See page
B1273 Sliding Roof ECU Communication Stop

1. Sliding roof ECU (Sliding roof drive gear sub-assembly)

2. Main body ECU (Instrument panel junction block assembly)

3. Wire harness

Click here

B2287 LIN Communication Master Malfunction

1. Certification ECU (Smart key ECU assembly)

2. Main body ECU (Instrument panel junction block assembly)

3. Wire harness

Click here

B2321 Driver Side Door ECU Communication Stop

1. Front power window regulator motor assembly LH*1

2. Front power window regulator motor assembly RH*2

3. Main body ECU (Instrument panel junction block assembly)

4. Wire harness

Click here

B2325 LIN Communication Bus Malfunction

1. Front power window regulator motor assembly LH*1

2. Front power window regulator motor assembly RH*2

3. Sliding roof ECU (Sliding roof drive gear sub-assembly)*3

4. Main body ECU (Instrument panel junction block assembly)

5. Wire harness

Click here

B2785 Communication Malfunction between ECUs Connected by LIN

1. Certification ECU (Smart key ECU assembly)

2. Main body ECU (Instrument panel junction block assembly)

3. Steering lock ECU (Steering lock actuator assembly)

4. ID code box (Immobiliser code ECU)

5. Wire harness

Click here

B2786 No Response from Steering Lock ECU

1. Steering lock ECU (Steering lock actuator assembly)

2. Certification ECU (Smart key ECU assembly)

3. Wire harness

Click here

B2789 No Response from ID BOX

1. ID code box (Immobiliser code ECU)

2. Certification ECU (Smart key ECU assembly)

3. Wire harness

Click here

Tech Tips

*1: for LHD

*2: for RHD

*3: w/ Sliding Roof