Dtc B2289 Key Collation Waiting Time Over

Vehicle Interior. Corolla. Zre142 Aze141
Theft Deterrent Keyless Entry. Corolla. Zre142 Aze141

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK FOR DTC

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - CERTIFICATION ECU)

CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK) OPERATION

DTC B2289 Key Collation Waiting Time Over


DESCRIPTION

This DTC is output when there is a LIN communication problem between the main body ECU (instrument panel junction block) and certification ECU (smart key ECU assembly) or when there is a problem in the entry function.
HINT:
After the main body ECU (instrument panel junction block) is replaced, perform the registration procedures for the engine immobiliser system (COROLLA_ZRE142 RM000000QYF05AX.html).

DTC No.
DTC Detection Condition
Trouble Area
B2289
Either condition below is met:
  1. LIN communication is abnormal between the main body ECU (instrument panel junction block) and the certification ECU (smart key ECU assembly)
  2. The engine immobiliser system is malfunctioning
  1. Main body ECU (instrument panel junction block)
  2. Smart key system (entry function)
  3. Wire harness or connector
  4. Certification ECU (smart key ECU assembly)

WIRING DIAGRAM


Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function). Dtc B2289 Key Collation Waiting Time Over


INSPECTION PROCEDURE

1.CHECK FOR DTC

  1. Clear the DTCs (COROLLA_ZRE142 RM000000YEH0CGX.html).

  1. Check for DTC B2289 (Key collection waiting time over) and B2785 (Communication malfunction between ECUs connected by LIN).

    Result:
    Display (DTC output)
    		Proceed to
    "DTC B2289" only
    		A
    "DTC B2785" only
    		B
    No DTC
    		C
    HINT:
    1. If DTC B2785 is output, perform troubleshooting for DTC B2785 first.


B
GO TO DTC B2785 (COROLLA_ZRE142 RM000002XHV07AX.html)

C
USE SIMULATION METHOD TO CHECK (COROLLA_ZRE142 RM000000UZ108OX.html)
A


2.CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - CERTIFICATION ECU)


  1. Disconnect the E36 ECU and 2C junction block connectors.


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function). Dtc B2289 Key Collation Waiting Time Over

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    2C-12 (LIN1) - E36-10 (LIN)
    		Always
    		Below 1 Ω
    2C-12 (LIN1) or E36-10 (LIN) - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (MAIN BODY ECU - CERTIFICATION ECU)
OK


3.CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK) OPERATION

  1. After replacing the main body ECU (instrument panel junction block) with a normally functioning ECU, check that the engine starts.

    OK:
    Engine starts normally.
    HINT:
    If the engine does not start, refer to Problem Symptoms Table of the smart key system (entry function) (Room Oscillator does not Recognized Key).


NG
GO TO SMART KEY SYSTEM (ENTRY FUNCTION) (COROLLA_ZRE142 RM000000XUU09IX.html)
OK

END (MAIN BODY ECU DEFECTIVE)