RX7 2RTR- 1308cc 1.3L FI (1987)
b)
With the ignition switch "ON", turn the power switch of the radio "ON" and "OFF" and listen for the operating sound of the antenna motor.
If you can hear the motor operating, a bent mast can be the cause of an inoperable antenna. Replace the antenna mast (refer to Step 3.).
If the operating sound is not heard, go to Step c).
c)
Locate and disconnect the 4-pin connector to the antenna relay at the left side tail lamp area and check the condition of each terminal of the
harness side.
Terminal
Voltage
LG
12V
BG
12V (Ignition switch-"ON")
LW
12V (Ignition switch-"ACC")
LY
0V
If the voltage is correct, go to Step d).
If the voltage is not correct, check the related wire or fuse for an open circuit.