DESCRIPTION
This DTC is stored when serial communication signals and LIN communication signals in the circuit between the power management control ECU and steering lock actuator assembly (steering lock ECU) are inconsistent.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2285 |
Cable and LIN information between the power management control ECU and steering lock actuator assembly (steering lock ECU) are inconsistent. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
Check the connector connection to the terminal to make sure that there is no abnormality such as a loose connection, deformation, etc.
PROCEDURE
1. |
CHECK LIN COMMUNICATION SYSTEM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Clear the DTCs (See page ).
(e) Check if DTC B2287 is output.
OK:
DTC B2287 is not output.
NG | ![]() |
GO TO LIN COMMUNICATION SYSTEM |
|
2. |
CHECK HARNESS AND CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY - POWER MANAGEMENT CONTROL ECU) |
|
3. |
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - NO. 1 JUNCTION) |
|
4. |
INSPECT STEERING LOCK ACTUATOR ASSEMBLY |
(a) Reconnect the D43 connector to the power management control ECU. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D17-4 (SLP1) - Body ground |
Steering locked |
10 kΩ or higher |
D17-4 (SLP1) - Body ground |
Steering unlocked |
Below 1 Ω |
*1 |
Component with harness connected (Steering lock actuator assembly (steering Lock ECU)) |
NG | ![]() |
REPLACE STEERING LOCK ACTUATOR ASSEMBLY |
|
5. |
CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - STEERING LOCK ECU) |
(a) Disconnect the D43 connector from the power management control ECU.
(b) Disconnect the D17 connector from the steering lock actuator assembly (steering lock ECU).
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D43-3 (SLP) - D17-4 (SLP1) |
Always |
Below 1 Ω |
D43-3 (SLP) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Power Management Control ECU) |
*2 |
Front view of wire harness connector (to Steering Lock Actuator Assembly (Steering Lock ECU)) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - STEERING LOCK ECU) |
|
6. |
READ VALUE USING TECHSTREAM |
(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.
Power Source Control
Tester Display |
Measurement Item/Range |
Normal Condition |
Specified Condition |
---|---|---|---|
Steering Unlock Switch |
Steering lock condition/ON or OFF |
ON: Steering unlocked OFF Steering locked |
- |
OK:
ON (steering lock is unlocked) and OFF (steering lock is locked) appear on the screen.
OK | ![]() |
REPLACE STEERING LOCK ACTUATOR ASSEMBLY |
NG | ![]() |
REPLACE POWER MANAGEMENT CONTROL ECU |
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Detection Item
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