DIAGNOSTIC TROUBLE CODE CHART
Wireless Door Lock Control System|
DTC No. |
Detection Item |
Link |
|---|---|---|
|
B1242 |
Wireless Door Lock Tuner Circuit Malfunction |
|
Data List / Active Test
Wireless Door Lock Tuner Circuit Malfunction (B1242)Toyota CH-R Service Manual > Smart Key System(for Start Function): System Diagram
SYSTEM DIAGRAM
Component
Outline
Engine switch
Transponder key amplifier
Turns on the power and starts the engine.
Contains a built-in transponder key amplifier to start the engine
when the elec ...
Toyota CH-R Service Manual > Can Communication System: Open in One Side of Bus 4 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...