Immobilizer System Symptom Troubleshooting - Engine does not start with the immobilizer key
Engine does not start with the immobilizer key
NOTE: Before troubleshooting, check the items listed in General Check before Troubleshooting.

1.
Problem verification:

Problem verification
?1.
Try to start the engine.

Does the engine start?

     
YES
     
     
     
Intermittent failure, the vehicle is OK at this time.?
     
NO
     
     
     
Go to step 2.
2.
Immobilizer system check:

Immobilizer system check
?1.
Turn the ignition switch to LOCK (0).

?2.
Turn the ignition switch to ON (II), and check the immobilizer indicator.

Does the indicator blink once, then stay off?

     
YES
     
     
     
Go to step 3.
     
NO
     
     
     
3.
Starting system check:

Starting system check
?1.
Turn the ignition switch to START (III).

Does the starter motor run?

     
YES
     
     
     
Go to step 4.
     
NO
     
     
     
Go to starting system, and check the starter motor.?
4.
PGM-FI system check 1:

PGM-FI system check 1
?1.
Try to start the engine with the immobilizer key.

Does the engine start?

     
YES
     
     
     
Go to step 5.
     
NO
     
     
     
5.
PGM-FI system check 2:

PGM-FI system check 2
?1.
Wait for a few minutes with the engine running.

Does the engine stop?

     
YES
     
     
     
     
NO
     
     
     
The system is OK at this time.?