ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System), Diagnostic DTC:B1571

DESCRIPTION

The ECM stores this code if the main body ECU (network gateway ECU) reference code and the reference code from the ECM do not match.

CAUTION / NOTICE / HINT

PROCEDURE

1. READ VALUE USING GTS (NUMBER OF REGISTRATION KEY)

   
   

   1. Connect GTS to DLC3.

   2. Turn the ignition switch to ON.

   3. Turn the GTS on.

   4. Enter the following menus: Body Electrical / Main Body / Data List.

   5. According to the display on the GTS, read the Data List.

      Main Body

      Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
      Number of Registration Key	Number of registered key/ min. 0, max. 8	Number of registered key	-

      Result

      Result	Proceed to
      The registered number of the key is 0.	A
      The registered number of the key is 1 or more.	B

   
   

   B

   REGISTER ECU COMMUNICATION ID Click here

   A

2. REGISTER KEY

   
   

   1. Reregister the key (Refer to Service Bulletin).

      OK
      The key ID can be registered.

   
   

   OK

   END

   NG

   CHECK FOR DTC Click here

3. REGISTER ECU COMMUNICATION ID

   
   

   1. Register the ECU communication ID (Refer to Service Bulletin).

      OK
      The ECU communication ID can be registered

   
   

   OK

   END

   NG

4. CHECK FOR DTC

   
   

   1. Check for DTCs Click here.

      Result

      Result	Proceed to
      DTC B1571 is output	A
      Other than DTC B1571 are output	B

   
   

   B

   GO TO DTC CHART Click here

   A

5. REPLACE ECM

   
   

   1. Temporarily replace the ECM with a new or known good one Click here.

   
   

   NEXT

6. REGISTER ECU COMMUNICATION ID

   
   

   1. Register the ECU communication ID (Refer to Service Bulletin).

      OK
      The ECU communication ID can be registered

   
   

   OK

   END

   NG

   REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here