Corolla CE Sedan 4-Door L4-1587cc 1.6L DOHC MFI (1997)
Tail Lamp Relay: Component Tests and General Diagnostics
Symptom Chart
Troubleshooting / Theft Deterrent System
HINT: Troubleshooting of the theft deterrent system is based on the premise that the door lock control system is operating normally. Accordingly,
before troubleshooting the theft deterrent system, first make certain that the door lock control system is operating normally.
Taillight Control Relay Circuit
TAILLIGHT CONTROL RELAY CIRCUIT
CIRCUIT DESCRIPTION
When the theft deterrent system is activated, it causes the ECU to switch ON and OFF at approximately 0.4 sec. intervals. This switches the taillight
control relay ON and OFF, thus flashing the taillights.
In this condition, if any of the following operations is done, the Tr in the ECU goes OFF and the taillight control relay switches OFF, thus stopping the
from taillights flashing:
1. Unlock the front LH or RH door with key.
2. Turn the ignition switch to ACC or ON position.
3. Wait for approximately 1 minute.
