DESCRIPTION
This DTC is stored when there is an open, short or ECU communication malfunction between the power management control ECU and certification ECU (smart key ECU assembly).
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B2287 |
There is an open, short or ECU communication malfunction between the power management control ECU and certification ECU (smart key ECU assembly). |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Connect the Techstream to the DLC3, and turn the courtesy switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins.
PROCEDURE
1. |
CHECK DTC OUTPUT |
(a) Clear the DTC (See page ).
(b) Recheck for DTCs.
HINT:
Check for certification ECU and power source control ECU DTCs.
Result |
Proceed to |
---|---|
Only DTC B2287 is output. |
A |
DTC B2287 and B2785 are output simultaneously. |
B |
HINT:
When DTC B2287 and B2785 are output simultaneously, perform troubleshooting for DTC B2785 first.
B | ![]() |
GO TO DTC B2785 |
|
2. |
CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - POWER MANAGEMENT CONTROL ECU) |
(a) Disconnect the D25 and D43 ECU connectors. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D25-29 (LIN) - D43-24 (LIN2) |
Always |
Below 1 Ω |
D25-29 (LIN) - Body ground |
Always |
10 kΩ or higher |
*1 |
Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly) |
*2 |
Front view of wire harness connector (to Power Management Control ECU) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
REPLACE POWER MANAGEMENT CONTROL ECU |
(a) Replace the power management control ECU (See page
).
|
4. |
CHECK DTC OUTPUT |
(a) Clear the DTC (See page ).
(b) Recheck for DTCs.
OK:
DTC B2287 is not output.
OK | ![]() |
END (POWER MANAGEMENT CONTROL ECU WAS DEFECTIVE) |
NG | ![]() |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH side and RH side.
The following procedure is for the LH side.
If the sensor rotor needs to be replaced, replace it together with the
front drive shaft assembly. ...
Throttle Actuator Control Motor Current Range / Performance (P2118)
DESCRIPTION
The electronic throttle control system has a dedicated power supply circuit.
The voltage (+BM) is monitored and when it is low (below 4 V), the ECM determines
that there is a malfunction in the electronic throttle control system and cuts off
...
Internal Control Module Monitoring Processor Performance (P060A)
MONITOR DESCRIPTION
The main CPU and sub CPU of the ECM perform data communication between each other.
The main CPU monitors the communications and WDC pulses from the sub CPU. When the
signal malfunctions below are detected, the DTC is output.
...