| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM1000000024XSB |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - ] |
| Title: ACOUSTIC VEHICLE ALERTING SYSTEM: ACOUSTIC VEHICLE ALERTING SYSTEM: There is No Sound Made; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ] | ||
|
There is No Sound Made |
DESCRIPTION
Based on signals received from each ECU, the vehicle approaching speaker controller outputs warning sounds through the vehicle approaching speaker assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Inspect the fuses for circuits related to this system before performing the following procedure.
-
The acoustic vehicle alerting system uses the CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting.
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![2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ]; ACOUSTIC VEHICLE ALERTING SYSTEM: ACOUSTIC VEHICLE ALERTING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Acoustic Vehicle Alerting System > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC B135013 and B135019 are not output |
A |
|
DTC B135013 or B135019 is output |
B |
| B |
|
|
|
2. |
PERFORM ACTIVE TEST USING GTS |
(a) Perform the Active Test according to the display on the GTS.
Body Electrical > Acoustic Vehicle Alerting System > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Proximity Sound (20km/h,12MPH) |
20 km/h (12 mph) vehicle proximity warning sound |
OFF or ON |
- |
Body Electrical > Acoustic Vehicle Alerting System > Active Test
|
Tester Display |
|---|
|
Proximity Sound (20km/h,12MPH) |
|
Result |
Proceed to |
|---|---|
|
The warning sound is produced |
A |
|
The warning sound is not produced |
B |
| A |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (VEHICLE APPROACHING SPEAKER CONTROLLER - POWER SOURCE AND BODY GROUND) |
(a) Disconnect the I158 vehicle approaching speaker controller connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I158-7 (+B) - Body ground |
Ignition switch off |
11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I158-12 (GND) - Body ground |
Always |
Below 1 Ω |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|