DESCRIPTION
This DTC is stored when the steering lock position signal sent by the steering lock ECU (steering lock actuator or upper bracket assembly) via direct line and the steering lock position signal sent via LIN communication do not match.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Note |
---|---|---|---|---|
B2285 |
Steering Lock Position Signal Circuit Malfunction |
The steering lock position signal sent by the steering lock ECU (steering lock actuator or upper bracket assembly) via direct line and the steering lock position signal sent via LIN communication do not match. (1-trip detection logic*) |
|
|
Vehicle Condition when Malfunction Detected |
Fail-safe Function when Malfunction Detected |
---|---|
The engine cannot be started. |
The ECU does not send an engine start request. |
DTC No. |
Data List and Active Test |
---|---|
B2285 |
Power Source Control
Smart Key
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
HINT:
When the cable is disconnected and reconnected to the negative (-) battery terminal, the power source mode returns to the state it was in before the cable was disconnected.
PROCEDURE
1. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Smart Key > Trouble CodesHINT:
OK:
LIN communication system DTC B2785 is not output.
NG | ![]() |
GO TO DTC B2785 |
|
2. |
READ VALUE USING TECHSTREAM (STEERING UNLOCK SWITCH) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Power Source Control / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Power Source Control > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
Steering Unlock Switch |
State of steering unlock sensor signal output from steering lock ECU (steering lock actuator or upper bracket assembly) |
OFF or ON |
OFF: Steering locked ON: Steering unlocked |
|
Tester Display |
---|
Steering Unlock Switch |
Result |
Proceed to |
---|---|
Techstream display does not change |
A |
Techstream display changes |
B |
B | ![]() |
REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) |
|
3. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE) |
Click here
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR IN CIRCUIT CONNECTED TO POWER SOURCE |
|
4. |
CHECK HARNESS AND CONNECTOR (GROUND) |
Click here
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) |
(a) Reconnect the F1 certification ECU (smart key ECU assembly) connector.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
HINT:
|
|
NG | ![]() |
REPLACE STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) |
|
6. |
CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - STEERING LOCK ECU (STEERING LOCK ACTUATOR OR UPPER BRACKET ASSEMBLY) |
(a) Disconnect the F1 certification ECU (smart key ECU assembly) connector.
(b) Disconnect the F78 steering lock ECU (steering lock actuator or upper bracket assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F1-14 (SLP) - F78-4 (SLP1) |
Always |
Below 1 Ω |
F1-14 (SLP) or F78-4 (SLP1) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Power Door Lock Control System: System Description
SYSTEM DESCRIPTION
POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
(a) The power door lock system locks/unlocks all doors.
The main body ECU (multiplex network body ECU) receives lock/unlock request signals
from a door control switch or the driver door key lock and unlock switch. Then,
the main bo ...
Toyota CH-R Service Manual > Lighting (ext): Rear Side Marker Light Bulb
Components
COMPONENTS
ILLUSTRATION
*1
REAR COMBINATION LIGHT ASSEMBLY
*2
REAR COMBINATION LIGHT COVER
*3
REAR SIDE MARKER LIGHT BULB
*4
REAR COMBINATION LIGHT SOCKET AND WIRE
Removal
REM ...