DTC B2335: Lost Communication with Immobiliser System [08/2015 - ]: Procedure

CHECK DTC OUTPUT
1. Clear the DTC. Refer to DTC CHECK / CLEAR [08/2015 - ] .
2. Perform the remote engine start operation.
3. Check for DTCs.
  OK
  
  DTC B2779 and B126A are not output.
NG → See step 9

OK: Go to next step
REPLACE REMOTE ENGINE STARTER ECU
1. Temporarily replace the remote engine starter ECU with a new one. Refer to REMOVAL [08/2015 - ] .
NEXT: Go to next step
REGISTER REMOTE ENGINE STARTER ID
1. Register the remote engine starter ID. Refer to REGISTRATION [08/2015 - ] .
NEXT: Go to next step
CHECK DTC OUTPUT
1. Clear the DTC. Refer to DTC CHECK / CLEAR [08/2015 - ] .
2. Perform the remote engine start operation.
3. Check for DTCs.
  OK
  
  DTC B2335 is not output.
NG → See step 5

OK → END (REMOTE ENGINE STARTER ECU WAS DEFECTIVE)
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
1. Temporarily replace the certification ECU (smart key ECU assembly) with a new one. Refer to REMOVAL [08/2015 - ] .
NEXT: Go to next step
PERFORM REGISTRATION
1. Register the key and ECU communication ID. Refer to REGISTRATION [08/2015 - ] .
2. Register the remote engine starter ID. Refer to REGISTRATION [08/2015 - ] .
NEXT: Go to next step
CHECK DTC OUTPUT
1. Clear the DTC. Refer to DTC CHECK / CLEAR [08/2015 - ] .
2. Perform the remote engine start operation.
3. Check for DTCs.
  OK
  
  DTC B2335 is not output.
NG → See step 8

OK → END (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) WAS DEFECTIVE)
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to REMOVAL [08/2015 - ]
GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - ]