STEP 2. Check the immobilizer system diagnosis code and MPI system
diagnosis code.
Q: Which diagnosis code resets, the immobilizer system diagnosis code or the MPI system
diagnosis code?
Immobilizer system diagnosis code:
Refer to 
.MPI system diagnosis code: Refer to GROUP 13C, Troubleshooting
.No diagnosis code: Go to Step 3
.STEP 3. Check the starting system.
Q: Does the engine start?
YES:
Go to Step 4.NO: Refer to GROUP 13C, Troubleshooting - Symptom Chart
.
If the malfunction is not resolved, replace the immobilizer-ECU. Then register the password
(secret code) and encrypted code. (Refer to ). The engine
should start.STEP 4. Retest the system
Q: Is the malfunction eliminated?
YES:
The procedure is complete. (If no malfunction are found in all steps, an intermittent
malfunction is suspected. Refer to GROUP 00, How to Use Troubleshooting/Inspection
Service Points-How to Cope with Intermittent Malfunction ).NO: Replace the immobilizer-ECU.