Because the antenna system is equipped with a capacitor, the continuity cannot be checked. Therefore proceed the following simple inspection.
Turn the AM radio on.
Tune to the frequency that there is no broadcast and you will hear a buzzing sound.
Turn a work light on and shake it around the antenna rod. (around 10—20 mm {0.40—0.78 in})
CAUTION:
Use a fluorescent light type for the inspection. Accurate diagnostic cannot be done with a different type of light.

If a whirring sound from the speaker synchronized to the work light movement is confirmed, the antenna system is normal.
Coil Antenna Removal/Installation
Entertainment Personalization Features Setting ProcedurePower Window System Initialization Procedure
NOTE:
If the following operations have been performed, initial setting is reset,
and auto up/down and two-step down operation are disabled. Therefore, performing
initial setting is necessary.
Negative battery cable is disconnected.
Power window main switch ...
Headlight Leveling Actuator Inspection
NOTE:
Headlight leveling actuator are integrated with the front combination light.
For the actuator inspection of the headlight auto leveling system, perform
the headlight leveling actuator operation inspection..
1. Measure the voltage at each terminal is as indicated in the ...
Front Seat Back Component [Vehicles Without Power Seat System] Removal/Installation
WARNING:
Handling a front seat (with built-in side air bag) improperly can accidentally
operate (deploy) the air bag, which may seriously injure you. Read the service
warnings before handling a front seat (with built-in side air bag)..
CAUTION:
After removing a front seat ...