Dtc B2286 Runnable Signal Malfunction

Engine. Camry. Acv40 Gsv40
2Gr-Fe Starting. Camry. Acv40 Gsv40

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK OPERATION OF TACHOMETER

CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)

READ VALUE USING INTELLIGENT TESTER

DTC B2286 Runnable Signal Malfunction


DESCRIPTION

This DTC is output when serial communication signals and CAN communication signals in the circuit between the main body ECU and ECM are inconsistent.
HINT:
When the main body ECU is replaced with a new one and the negative (-) battery terminal is connected, the power source mode becomes the IG-ON mode. When the battery is removed and reinstalled, the power source mode that was selected when the battery was removed is restored.
After the main body ECU is replaced, perform the registration procedures for the engine immobiliser system.

DTC No.
DTC Detection Condition
Trouble Area
B2286
Serial communication signals and CAN communication signals in the circuit between the main body ECU and ECM are inconsistent.
  1. CAN communication system
  2. ECM
  3. Main body ECU
  4. Wire harness or connector

WIRING DIAGRAM


Camry. Acv40 Gsv40.2Gr-Fe Starting.Starting System. Dtc B2286 Runnable Signal Malfunction


INSPECTION PROCEDURE

1.CHECK OPERATION OF TACHOMETER

  1. Run the engine and check if the function of the tachometer in the combination meter is normal.

    OK:
    Actual engine revolution speed and the revolution indicated on the tachometer are the same.


NG
GO TO COMBINATION METER SYSTEM
OK


2.CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM)

  1. Clear the DTCs (CAMRY_ACV40 RM000000YEH05QX.html).

  1. Check for CAN communication system DTC U0146.

    HINT:
    If the DTCs for the CAN communication system malfunction are output, inspect those DTCs first.
    Result:
    Result
    		Proceed to
    DTC is not output
    		A
    DTC is output (for LHD)
    		B
    DTC is output (for RHD)
    		C


B
GO TO CAN COMMUNICATION SYSTEM (CAMRY_ACV40 RM000000WIB09JX.html)

C
GO TO CAN COMMUNICATION SYSTEM (CAMRY_ACV40 RM000000WIB09KX.html)
A


3.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)


  1. Disconnect the A55*1 or A24*2 ECM connector.


    Camry. Acv40 Gsv40.2Gr-Fe Starting.Starting System. Dtc B2286 Runnable Signal Malfunction

  1. Disconnect the E8 ECU connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E8-8 (TACH) - A55-15 (TACH)*1
    E8-8 (TACH) - A24-15 (TACH)*2
    		Always
    		Below 1 Ω
    E8-8 (TACH) or A55-15 (TACH) - Body ground*1
    E8-8 (TACH) or A24-15 (TACH) - Body ground*2
    		Always
    		10 kΩ or higher
    1. *1: for LHD
    2. *2: for RHD


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.READ VALUE USING INTELLIGENT TESTER

  1. Reconnect the connectors.

  1. Connect the intelligent tester to the DLC3.

  1. Turn the engine switch on (IG).

  1. Turn the intelligent tester on.

  1. Enter the following menus: Body / Body / Data List.

  1. Read the Data List according to the display on the intelligent tester.

    HINT:
    When using the intelligent tester with the engine switch off, turn on and off any of the door courtesy light switches repeatedly at 1.5 second intervals or less until communication between the tester and vehicle starts.

    Body:
    Tester Display
    		Measurement Item/Range
    		Normal Condition
    		Diagnostic Note
    E/G Cond
    		Engine condition/STOP or RUN
    		STOP: Engine is stopped
    RUN: Engine is running
    		-
    OK:
    STOP (engine is stopped) and RUN (engine is running) appear on the screen.


NG
REPLACE ECM (CAMRY_ACV40 RM0000022NT01EX.html)
OK

REPLACE MAIN BODY ECU