CAUTION / NOTICE / HINT
Note
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following may occur:
A communication malfunction DTC may be stored.
The radio receiver assembly may not operate normally.
PROCEDURE
CHECK RADIO RECEIVER ASSEMBLY
Check the radio automatic station search function.
Check the radio automatic station search function by activating it.
Result | ||||||
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B |
REPLACE RADIO RECEIVER ASSEMBLY Click here |
A |
CHECK OPTIONAL COMPONENTS
Check if any optional components that may decrease reception capacity, such as a sunshade film or telephone antenna, are installed.
Result | ||||||
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Note
Do not remove optional components without the permission of the customer.
B |
REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE) |
A |
CHECK RADIO RECEIVER ASSEMBLY
Preparation for check
Disconnect the antenna connector from the radio receiver assembly.
Check for noise
Turn the engine switch on (ACC) with the radio receiver assembly connector connected.
Turn the radio on and tune into AM mode.
Place a screwdriver, thin wire or other metal object on the radio receiver assembly antenna jack and check that noise can be heard from the speakers.
OK |
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Noise can be heard from the speakers. |
Result | |||
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|
NG |
REPLACE RADIO RECEIVER ASSEMBLY Click here |
OK |
CHECK WINDOW GLASS ANTENNA WIRE
*a | Tester Probe |
*b | Antenna Wire |
*c | Tin Foil |
Check for continuity in the window glass antenna wire.
Note
When cleaning the glass, wipe it in the direction of the wire with a soft dry cloth. Take care not to damage the wire. Do not use detergents or glass cleaners with abrasive ingredients. When measuring resistance, wrap a piece of tin foil around the tip of each probe and press the foil against the wire with your finger, as shown in the illustration.
Tech Tips
Check for continuity at the center of each antenna wire as shown in the illustration.
OK |
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There is continuity in the window glass antenna wire. |
Result | |||
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|
NG |
REPAIR WINDOW GLASS ANTENNA WIRE Click here |
OK |
INSPECT RADIO RECEIVER ASSEMBLY
Disconnect the RA radio receiver assembly connector.
*a | Component without harness connected (Radio Receiver Assembly) |
Measure the voltage according to the value(s) in the table below.
Standard Voltage | ||||||
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Result | |||
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|
NG |
REPLACE RADIO RECEIVER ASSEMBLY Click here |
OK |
REPLACE ANTENNA CORD SUB-ASSEMBLY
Replace the antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally.
OK |
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Radio broadcasts can be received normally. |
Result | |||
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|
OK |
END |
NG |
REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY
Replace the No. 2 antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally.
OK |
---|
Radio broadcasts can be received normally. |
Result | |||
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|
OK |
END |
NG |
REPLACE NO. 1 AMPLIFIER ANTENNA ASSEMBLY
Replace the No. 1 amplifier antenna assembly with a new or known good one and check if radio broadcasts can be received normally.
OK |
---|
Radio broadcasts can be received normally. |
Result | |||
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|
OK |
END |
NG |
REPLACE RADIO RECEIVER ASSEMBLY Click here |