DTC    B2281    "P" Signal Malfunction

для подготовки Нажмите здесь


DESCRIPTION

This DTC B2281 is output when there is an abnormal circuit between the main body ECU and the shift lock control ECU.

DTC Code
Detection Condition
Trouble Area
B2281
Communication or communication line is abnormal between main body ECU and shift lock control ECU
  1. Main body ECU
  2. Shift lock control ECU
  3. Wire harness or connector

WIRING DIAGRAM


A149408E01


INSPECTION PROCEDURE

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

A150037E01

  1. Disconnect the A68 main body ECU connector.

  1. Disconnect the L47 shift lock control ECU connector.

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    A68-2 (P) - L47-11 (P2)
    		Always
    		Below 1 Ω
    A68-2 (P) or L47-11 (P2) - Body ground
    		Always
    		10 kΩ or higher



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


2.CHECK SHIFT LOCK CONTROL ECU (OPERATION)

  1. Temporarily replace the shift lock control ECU with a new or normally functioning one.

  1. Check that the engine starts normally.

    OK:
    Engine starts normally.



NG
REPLACE MAIN BODY ECU
OK

END (SHIFT LOCK CONTROL ECU IS FAULTY)