Inspection Procedure 3: The radio broadcasting can not be received. <Analogue radio>

caution

Before replacing the radio and CD player, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM

In case of AM/FM/MW/LW radio broadcasting cannot be received., antenna rod, antenna base, antenna feeder or radio and CD player may have a problem.

note

The radio wave may not be received if the vehicle is placed in the area which is exposed to a special electric field. Thus, check that the radio broadcasting can be received using the radio of another vehicle before carrying out diagnosis.

PROBABLE CAUSES

Malfunction of antenna rod
Malfunction of antenna base
Malfunction of antenna feeder
Malfunction of radio and CD player

DIAGNOSIS PROCEDURE

STEP 1. Check the state of the antenna rod and antenna base.

Q. Is the antenna assembled?

	Go to Step 2

	Assemble antenna rod and antenna base.

STEP 2. Check to see if inspections are taking place is an area exposed to special electric fields.

Q. Is the reception area exposed to special electric fields?

	Go to Step 3

	Go to Step 4

STEP 3. Move the vehicle and check the radio.

Move the vehicle to a good reception area that is not exposed to special electric fields.

Q. Is the check result normal?

	Diagnosis complete.

	Go to Step 4

STEP 4. Check if there is any damage to the antenna rod, antenna base and antenna feeder.

Q. Is the check result normal?

	Go to Step 5

	Replace the antenna rod, antenna base and antenna feeder.

STEP 5. Check the connection of the antenna feeder’s plug and radio and CD player.

Q. Is the antenna feeder’s plug thoroughly connected to the radio and CD player?

	Go to Step 6

	Thoroughly connect the antenna feeder’s plug and the radio and CD player.

STEP 6. Connector check: C-103 radio and CD player connector, C-107 antenna amplifier connector

Q. Is the check result normal?

	Go to Step 7.

	Repair the connector concerned.

STEP 7. Check the wiring harness between C-103 radio and CD player connector terminal No.34 and C-107 antenna amplifier connector No.1

Check the communication line for open circuit and short circuit.

Q. Is the check result normal?

	Go to Step 8.

	Repair the wiring harness.

STEP 8. Substitute a known good radio and CD player, and check the trouble symptom.

Q. Is the check result normal?

	Replace the radio and CD player.

	Either repair or replace the antenna rod and antenna base.