| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001D0A5 |
| Model Year Start: 2019 | Model: GR Corolla | Prod Date Range: [06/2018 - 01/2019] |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Radio Broadcast cannot be Received or Poor Reception; 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019] | ||
|
Radio Broadcast cannot be Received or Poor Reception |
CAUTION / NOTICE / HINT
NOTICE:
-
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
Click here
![2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)
-
When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly may not operate normally.
PROCEDURE
|
1. |
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Check the radio automatic station search function.
(1) Check the radio automatic station search function by activating it.
|
Result |
Proceed to |
|---|---|
|
Automatic station search function does not stop. |
A |
|
Automatic station search function stops on a station. |
B |
| B |
|
|
|
2. |
CHECK OPTIONAL COMPONENTS |
(a) Check if any optional components that may decrease reception capacity, such as a sunshade film or telephone antenna, are installed.
|
Result |
Proceed to |
|---|---|
|
Optional components are not installed. |
A |
|
Optional components are installed. |
B |
NOTICE:
Do not remove optional components without the permission of the customer.
| B |
|
REMOVE OPTIONAL COMPONENTS AND CHECK AGAIN (SEE NOTICE ABOVE) |
|
|
3. |
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY |
|
(a) Preparation for check (1) Disconnect the antenna connector from the radio and display receiver assembly. |
|
(b) Check for noise
(1) Turn the engine switch on (ACC) with the radio and display receiver assembly connector connected.
(2) Turn the radio on and tune into AM mode.
(3) Place a screwdriver, thin wire or other metal object on the radio and display receiver assembly antenna jack and check that noise can be heard from the speakers.
OK:
Noise can be heard from the speakers.
| NG |
|
|
|
4. |
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Disconnect the RA radio and display receiver assembly connector.
|
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
| NG |
|
|
|
5. |
REPLACE NO. 2 ANTENNA CORD SUB-ASSEMBLY |
(a) Replace the No. 2 antenna cord sub-assembly with a new or known good one and check if radio broadcasts can be received normally.
Click here
OK:
Radio broadcasts can be received normally.
| OK |
|
END |
|
|
6. |
REPLACE ANTENNA CORD SUB-ASSEMBLY (for Type A) |
(a) Replace the antenna cord sub-assembly (for type A) with a new or known good one and check if radio broadcasts can be received normally.
Click here
OK:
Radio broadcasts can be received normally.
| OK |
|
END |
|
|
7. |
REPLACE ANTENNA CORD SUB-ASSEMBLY (for Type B) |
(a) Replace the antenna cord sub-assembly (for type B) with a new or known good one and check if radio broadcasts can be received normally.
Click here
OK:
Radio broadcasts can be received normally.
| OK |
|
END |
|
|
8. |
REPLACE ROOF ANTENNA ASSEMBLY |
(a) Replace the roof antenna assembly with a new or known good one and check if radio broadcasts can be received normally.
Click here
OK:
Radio broadcasts can be received normally.
| OK |
|
END |
| NG |
|
|
|