PROCEDURE
CHECK RADIO RECEIVER ASSEMBLY
Check the radio automatic station search function.
Check the radio automatic station search function by activating it.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| A |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |
| B |
|
CHECK OPTIONAL COMPONENTS
Check optional components (sunshade film, telephone antenna, etc.).
Check if any optional components that may decrease reception capacity, such as sunshade film or a telephone antenna, are installed.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Note
Do not remove optional components without the permission of the customer.
| A |
|
REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE) |
| B |
|
CHECK RADIO RECEIVER ASSEMBLY
Preparation for check
Remove the antenna connector from the radio receiver assembly.
Check for noise
Turn the power 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 |
|---|
| Noise can be heard from the speakers. |
| NG |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |
| OK |
|
CHECK WINDOW GLASS ANTENNA WIRE
| *1 | Tester Probe |
| *2 | Tin Foil |
| *3 | Antenna Wire |
Check for continuity of the antenna.
Tech Tips
Check for continuity at the center of each antenna wire as shown in the illustration.
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.
| OK |
|---|
| There is continuity in the antenna. |
| NG |
|
REPAIR WINDOW GLASS ANTENNA WIRE Click here |
| OK |
|
INSPECT RADIO RECEIVER ASSEMBLY
Disconnect the 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 | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |
| OK |
|
CHECK RADIO ANTENNA CORD
Remove the antenna connector of the radio receiver assembly and antenna.
Measure the resistance between the antenna and radio receiver assembly to check for an open circuit in the antenna cord.
| Standard Resistance |
|---|
| Below 1 Ω |
Measure the resistance between the antenna cord and body ground to check for a short circuit in the antenna cord.
| Standard Resistance |
|---|
| 10 kΩ or higher |
| NG |
|
REPLACE RADIO ANTENNA CORD Click here |
| OK |
|
REPLACE REAR SPOILER SUB-ASSEMBLY
Replace the rear spoiler sub-assembly and check if radio broadcasts can be received normally Click here.
| OK |
|---|
| Radio broadcasts can be received. |
| OK |
|
END |
| NG |
|
REPLACE AMPLIFIER ANTENNA ASSEMBLY
Replace the amplifier antenna assembly and check if radio broadcasts can be received normally Click here.
| OK |
|---|
| Radio broadcasts can be received. |
| OK |
|
END |
| NG |
|
REPLACE RADIO RECEIVER ASSEMBLY Click here |