Toyota Celica 2005 Repair Manual page 2249

BE−74
The wave reaching range check:
Is the wave reaching range normal?
(1 M around the vehicle)
(While the transmitting switch is pressed,
(approx. 20 secs.) the taillight blinks continuously.
After 20 secs., repress the switch again.)
No
Transmitter faulty or wireless door lock receiver
faulty.
<Reference>
Check the wave reaching range with another nor-
mal transmitter. When the range is normal,
transmitter is defective, and when the range is not
normal, wireless door lock receiver is defective.
Wireless door control receiver check:
Check that continuity exists between the receiver
terminal 3 (PRG) and body ECU terminal B9
(PRG).
Check that continuity exists between the receiver
terminal 2 (RDA) and body ECU terminal B10
(RDA).
No
Check RDA terminal circuit.
Check that the voltage of RDA is about 6 − 7 V
when the transmitter is ON.
Yes
2005 CELICA (RM1131U)
BODY ELECTRICAL − WIRELESS DOOR LOCK CONTROL SYSTEM
Yes
Other body control system faulty.
(Transmitter and receiver are normal.)
Yes
No
2248
When pressing each switch of
the new or normal transmitter
used in the same type vehicle,
check that all taillights chirps
in the same way.
No
Wire harness faulty (short circuit).
RDA terminal open circuit.
Yes
Transmitter faulty.