Inspection Procedure
2: The ignition key cannot be registerted using M.U.T.-III.
COMMENTS ON TROUBLE SYMPTOM
PROBABLE CAUSES
Malfunction of the ignition key
Damaged wiring harness and connectors
Malfunction of WCM
Ignition key registered for other vehicle
DIAGNOSIS PROCEDURE
STEP 1. Check the ignition key inserted in the key cylinder
for interference.
Q.
Are there other ignition keys or anything that interferes with the communication (things
that generate radio waves such as magnets and an air-cleaning device that has a power plug)
near the ignition key inserted in the key cylinder?
STEP 2. Retest the system
Q.
Is the check result normal?
STEP 3. Check which ignition key cannot be registered.
Q.
Can any one of the ignition keys be registered?
STEP 4. Retest the system
Q.
Which error message did the M.U.T.-III display?
