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) |
Inspection
INSPECTION
PROCEDURE
1. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below
when the shift lever is moved to each position.
Text in Illustration
*1
...
Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION
When the A/C amplifier is turned on, a magnetic clutch ON signal is sent from
the MGC terminal of the A/C amplifier. Then, the MGC relay turns on to operate the
magnetic clutch.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the ...
Antenna Coil Open / Short (B2784)
DESCRIPTION
This DTC is stored when there is an open or short in the transponder key coil
(built into the engine switch).
DTC No.
DTC Detection Condition
Trouble Area
B2784
Transponder key coil i ...