DIAGNOSTIC TROUBLE CODE CHART
Main Body ECU (Multiplex Network Body ECU)
DTC Code |
Detection Item |
See page |
---|---|---|
B1206 |
P/W Master Switch Communication Stop |
|
B1273 |
Sliding Roof ECU Communication Stop |
|
B1287 |
Back Door ECU Communication Stop |
|
B2321 |
Driver Side Door ECU Communication Stop |
|
B2322 |
Front Passenger Side Door ECU Communication Stop |
|
B2323 |
Rear Door RH ECU Communication Stop |
|
B2324 |
Rear Door LH ECU Communication Stop |
|
B2325 |
LIN Communication Bus Malfunction |
|
DTC Code |
Detection Item |
See page |
---|---|---|
B2287 |
LIN Communication Master Malfunction |
|
DTC Code |
Detection Item |
See page |
---|---|---|
B2785 |
Communication Malfunction between ECUs Connected by LIN |
|
B2786 |
No Response from Steering Lock ECU |
|
B2789 |
No Response from ID BOX |
|
B278C |
Lost Communication with Power Source Control |
|
DTC Code |
Detection Item |
See page |
---|---|---|
B2327 |
Lost Communication with Back Door Power Window ECU (Abnormal Power Supply) |
|
B2328 |
Back Door Power Window ECU Communication Malfunction |
|
DTC Code |
Detection Item |
See page |
---|---|---|
B2661 |
Lost Communication with Combination Meter |
|
B2662 |
Lost Communication with Clock/Outside Temperature Display |
|
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Toyota dealer as soon as possible.
Visible symptoms
• Fluid leaks under the vehicle (Water dripping from the air
conditioning after use is norm ...
System Description
SYSTEM DESCRIPTION
1. PUSH-BUTTON START DESCRIPTION
(a) The push-button start function uses a push-type engine switch, which the
driver can operate by merely carrying the key. This system consists primarily of
the power management control ECU, engine swi ...