LIN COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART


Main Body ECU (Multiplex Network Body ECU)
DTC Code Detection Item Trouble Area See page
B1206 P/W Master Switch Communication Stop

1. Multiplex network master switch assembly

2. Main body ECU (multiplex network body ECU)

3. Instrument panel junction block assembly

4. Wire harness or connector

5. ECU-B NO. 2 fuse

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B1249 Double Locking ECU Communication Stop

1. Double lock door control relay assembly

2. Main body ECU (multiplex network body ECU)

3. Instrument panel junction block assembly

4. Wire harness or connector

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B1273 Sliding Roof ECU Communication Stop

1. Sliding roof ECU (sliding roof drive gear assembly)*3

2. Roof sunshade ECU (sliding roof drive gear sub-assembly)*4

3. Main body ECU (multiplex network body ECU)

4. Instrument panel junction block assembly

5. Wire harness or connector

6. S/ROOF fuse

7. ECU-IG NO. 3 fuse

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B2287 LIN Communication Master Malfunction

1. Power management control ECU

2. Certification ECU (smart key ECU assembly)

3. Wire harness or connector

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B2321 Driver Side Door ECU Communication Stop

1. Front power window regulator motor assembly LH

2. Main body ECU (multiplex network body ECU)

3. Instrument panel junction block assembly

4. Multiplex network master switch assembly

5. Wire harness or connector

6. FL DOOR fuse*1

7. FR DOOR fuse*2

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B2322 Front Passenger Side Door ECU Communication Stop

1. Front power window regulator motor assembly RH

2. Main body ECU (multiplex network body ECU)

3. Instrument panel junction block assembly

4. Wire harness or connector

5. FL DOOR fuse*1

6. FR DOOR fuse*2

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B2323 Rear Door RH ECU Communication Stop

1. Rear power window regulator motor assembly RH

2. Main body ECU (multiplex network body ECU)

3. Instrument panel junction block assembly

4. Wire harness or connector

5. RR DOOR fuse

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B2324 Rear Door LH ECU Communication Stop

1. Rear power window regulator motor assembly LH

2. Main body ECU (multiplex network body ECU)

3. Instrument panel junction block assembly

4. Wire harness or connector

5. RL DOOR fuse

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B2325 LIN Communication Bus Malfunction

1. Front power window regulator motor assembly LH

2. Front power window regulator motor assembly RH

3. Rear power window regulator motor assembly RH

4. Rear power window regulator motor assembly LH

5. Multiplex network master switch assembly

6. Sliding roof ECU (sliding roof drive gear assembly)*3

7. Roof sunshade ECU (sliding roof drive gear sub-assembly)*4

8. Main body ECU (multiplex network body ECU)

9. Instrument panel junction block assembly

10. Wire harness or connector

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B2424 Headlight Leveling Motor LH Communication Malfunction

1. Headlight leveling motor LH

2. Harness or connector

3. AFS ECU (headlight swivel ECU assembly

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B2425 Headlight Leveling Motor RH Communication Malfunction

1. Headlight leveling motor RH

2. Harness or connector

3. AFS ECU (headlight swivel ECU assembly

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AFS ECU (Headlight Swivel ECU Assembly)
DTC Code Detection Item Trouble Area See page
B2410 Headlight Swivel Motor LH Communication Malfunction

1. Headlight swivel motor LH

2. Wire harness or connector

3. AFS ECU (headlight swivel ECU assembly)

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B2411 Headlight Swivel Motor RH Communication Malfunction

1. Headlight swivel motor RH

2. Wire harness or connector

3. AFS ECU (headlight swivel ECU assembly)

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Certification ECU (Smart Key ECU Assembly)
DTC Code Detection Item Trouble Area See page
B2785 Communication Malfunction between ECUs Connected by LIN

1. Certification ECU (smart key ECU assembly)

2. Power management control ECU

3. Steering lock ECU (steering lock actuator assembly)

4. ID code box (immobiliser code ECU)

5. Wire harness or connector

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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 or connector

4. STR LOCK fuse

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B2789 No Response from ID BOX

1. ID code box (immobiliser code ECU)

2. Certification ECU (smart key ECU assembly)

3. Wire harness or connector

4. IMMOBI fuse

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B278C Lost Communication with Power Source Control

1. Power management control ECU

2. Certification ECU (smart key ECU assembly)

3. Wire harness or connector

4. AM2 fuse

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