caution | Before replacing the multivision
display, ensure that the power supply circuit, the earth circuit and the communication circuit
are normal. |
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. |
DIAGNOSIS PROCEDURE |
STEP 1. Check the state of the antenna rod and antenna base. |
Q.
Is the antenna assembled?
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STEP 2. Check to see if inspections are taking place in an area exposed to special electric fields. |
Q.
Is the reception area exposed to special electric fields?
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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?
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STEP 4. Check if there is any damage to the antenna rod and antenna base, and antenna feeder. |
Q.
Is the check result normal?
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STEP 5. Check the connection of the antenna feeder’s plug and multivision display. |
Q.
Is the antenna feeder’s plug thoroughly connected to the multivision display?
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STEP 6. Check of short circuit and open circuit in ANT line between smartphone link display audio connector and antenna base connector |
Q.
Is the check result normal?
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STEP 7. Substitute a known good multivision display, and check the trouble symptom. |
Q.
Is the check result normal?
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