Operation range is unstable
Discharged transmitter
battery
Check the transmitter, red
lamp blinking upon pressing
the transmitter switch
Replace the battery
Transmitter or receiver faulty
Replace the transmitter or
the receiver
Central locking device
operates but keyless entry
does not work
Discharged transmitter
battery
Check the transmitter, red
lamp blinking upon pressing
the transmitter switch
Replace the battery
Faulty signal code
registration
Ensure normal door
opening/closing by using the
door key and register the
code again
Faulty keyless entry circuit
Check the BCM connector,
and the harness between the
BCM and the door lock
actuator
Repair the connector or the
harnese
Faulty receiver
Check the receiver output
using the oscilloscope
Replace the receiver
Faulty body control module
Replace the faulty control
unit and module
If central lock and keyless entry do not operate simultaneously, systems other than the keyless entry may be
considered faulty.
Then check related systems.
Page 15 of 15
24.04.2008
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