Inspect the fuses for circuits related to this system before performing the following procedure.
Clear the DTCs.
Recheck for DTCs and check if the same DTC is output again.
No DTCs are output.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the Q4 RCTA buzzer (blind spot monitor buzzer) connector.
Disconnect the e3 blind spot monitor sensor RH connector.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Switch Condition | Specified Condition |
|---|---|---|
| Q4-1 (BZP) - Body ground | Ignition switch ON | 11 to 14 V |
| Q4-2 (BZN) or e3-3 (BUZ) - Body ground | Ignition switch ON | Below 1 V |
| Q4-2 (BZN) - Q4-1 (BZP) | Ignition switch ON | Below 1 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the Q4 RCTA buzzer (blind spot monitor buzzer) connector.
Disconnect the e3 blind spot monitor sensor RH connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| Q4-2 (BZN) - e3-3 (BUZ) | Always | Below 1 Ω |
| Q4-2 (BZN) or e3-3 (BUZ) - Body ground | Always | 10 kΩ or higher |
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Switch Condition | Specified Condition |
|---|---|---|
| Q4-2 (BZN) or e3-3 (BUZ) - Body ground | Ignition switch ON | Below 1 V |
| Q4-1 (BZP) - Body ground | Ignition switch ON | 11 to 14 V |
| Q4-1 (BZP) - Body ground | Ignition switch off | Below 1 V |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Replace the RCTA buzzer (blind spot monitor buzzer) with a new or known good one and check if the same malfunction recurs.
Malfunction does not reoccur (returns to normal).
| Proceed to |
|---|
| OK |
| NG |
OK
NG