Dtc B2281 P Signal Malfunction

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - SHIFT LOCK CONTROL ECU)

CHECK MAIN BODY ECU OPERATION

DTC B2281 "P" Signal Malfunction


DESCRIPTION

The ECM and the shift lock control ECU are connected by a cable and the CAN. If the cable information and CAN information are inconsistent, this DTC will be output.
HINT:
After the main body ECU is replaced, perform the registration procedures for the engine immobiliser system.

DTC No.
DTC Detection Condition
Trouble Area
B2281
Cable information and CAN information between main body ECU and shift lock control ECU are inconsistent
  1. Main body ECU
  2. Shift lock control ECU
  3. Wire harness or connector

WIRING DIAGRAM


Camry. Acv40 Gsv40.2Gr-Fe Starting.Starting System. Dtc B2281 P Signal Malfunction


INSPECTION PROCEDURE

1.READ VALUE USING INTELLIGENT TESTER

  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 displays on the intelligent tester.

    Body:
    Tester Display
    		Measurement Item/Display
    		Normal Condition
    		Diagnostic Note
    Shift P Sig
    		Shift P Signal / ON or OFF
    		ON: Shift P signal ON (Shift position is P)
    OFF: Shift P signal OFF (Shift position is not P)
    		-
    OK:
    "ON" (P signal is ON) and "OFF" (P signal is OFF) appear on the screen.


NG
Go to step 2
OK

GO TO SHIFT CONTROL SYSTEM

2.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - SHIFT LOCK CONTROL ECU)


  1. Disconnect the E9 and E57 ECU connectors.


    Camry. Acv40 Gsv40.2Gr-Fe Starting.Starting System. Dtc B2281 P Signal Malfunction

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E9-2 (P) - E57-11 (P2)
    		Always
    		Below 1 Ω
    E9-2 (P) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


3.CHECK MAIN BODY ECU OPERATION

  1. After replacing the main body ECU with a normally functioning ECU, check that the engine can start normally.

    OK:
    Engine can start normally.


NG
GO TO SHIFT CONTROL SYSTEM
OK

END (MAIN BODY ECU WAS DEFECTIVE)