Toyota AVENSIS 2000 Supplement Manual page 397

DI–266
INSPECTION PROCEDURE
1 Delete DTC and insert all presently available keys to check whether engine starts
or not
RESULT:
C
2 Check harness and connector between transponder key amplifier and engine
ECU (See page IN–30).
OK
3 Does it operate normally after replacement of transponder key amplifier ?
No
Check and replace engine ECU
(See page IN–30).
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS
A
B
C
– ENGINE IMMOBILISER SYSTEM
All keys start engine.
A specific key does not start engine. In this case, DTC B2796 is stored in memory.
All keys do not start engine. In this case, DTC B2796 is stored in memory.
A No problem at this time.
HINT:
If the result is "A", please confirm whether or not customers
have ever inserted the key (without transponder chip) of other
vehicle in the ignition key cylinder, and find out the cause of de-
tecting DTC.
B Transponder chip of a specific key is defective.
Replace key.
NG Repair or replace harness or connector.
Yes Replace transponder key amplifier.