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Diagnostic Procedure

DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK ECM. 
Perform ECM registration. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER".
Is ECM registration finished?
And does the engine start?
System is normal. Go to step .
2 REPLACE ECM. 
  1. Install the ECM from other normal operating vehicle (with push button start) which use same ECM to the vehicle to be diagnosed.
  2. Perform ECM registration. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER".
Is ECM registration finished? And does the engine start? Replace the ECM. < Refer to REMOVAL , Engine Control Module (ECM). > Install the ECM from other vehicle to the original vehicle. Replace Keyless access CM (model without ID code box), < Refer to KEYLESS ACCESS CM . > or replace ID code box (model with ID code box). < Refer to REMOVAL , ID Code Box. >