Diagnostic Trouble Code Chart

HINT:

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to links below.

DIAGNOSTIC TROUBLE CODE CHART

DTC Code	Detection Item	Trouble Area
B1206	P/W Master Switch Communication Stop	Main body ECU (cowl side junction block LH) Master switch Harness or connector
B1273	Sliding Roof ECU Communication Stop	Main body ECU (cowl side junction block LH) Sliding roof ECU Harness or connector
B1478	Climate Control Seat ECU Communication Error	Air conditioning amplifier Seat climate control ECU LH Seat climate control ECU RH Harness or connector
B2287	LIN Communication Master Malfunction	Main body ECU (cowl side junction block LH) Certification ECU (smart key ECU assembly) Harness or connector
B2321	Driver Side Door ECU Communication Stop	Main body ECU (cowl side junction block LH) Front power window regulator motor LH Harness or connector
B2322	Front Passenger Side Door ECU Communication Stop	Main body ECU (cowl side junction block LH) Front power window regulator motor RH Harness or connector
B2323	Rear Door RH ECU Communication Stop	Main body ECU (cowl side junction block LH) Rear power window regulator motor RH Harness or connector
B2324	Rear Door LH ECU Communication Stop	Main body ECU (cowl side junction block LH) Rear power window regulator motor LH Harness or connector
B2325	LIN Communication Bus Malfunction	Main body ECU (cowl side junction block LH) Master switch Front power window regulator motor LH Front power window regulator motor RH Rear power window regulator motor LH Rear power window regulator motor RH Sliding roof ECU Harness or connector
B2405	Sub Bus LIN Module Communication Malfunction	Overhead junction block No. 2 main body ECU Harness or connector
B2785	Communication Malfunction between ECUs Connected by LIN	Certification ECU (smart key ECU assembly) Main body ECU (cowl side junction block LH) ID code box (immobilizer code ECU) Steering lock actuator (steering lock ECU) Harness or connector
B2786	No Response from Steering Lock ECU	Certification ECU (smart key ECU assembly) Steering lock actuator (steering lock ECU) Harness or connector
B2789	No Response from ID BOX	Certification ECU (smart key ECU assembly) ID code box (immobilizer code ECU) Harness or connector