DTC B1180 / B1181 / B1182
Precautions: Precautions for Diagnosing Trouble · Precautions for Replacing Remote Controller · Precautions for Remote Controller Disposal · Precautions for Replacing Keyless Start Control Module · Precautions for Control Systems · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
B1180: Driver Side Door Request Switch Malfunction Driver door request switch signal voltage is lower than specified value for specified time. |
•Request switch circuit / connector
•Request switch •Keyless start control module |
|
B1181: Passenger Side Door Request Switch Malfunction Passenger door request switch signal voltage is lower than specified value for specified time. |
|
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B1182: Rear End Door / Trunk Lid Request Switch Malfunction Rear end door request switch signal voltage is lower than specified value for specified time. |
Circuit Diagram

| [A]: | Keyless start control module connector (View: [a]) | A3: | Rear end door request switch signal circuit | 3. | Rear end door request switch |
| A1: | Driver door request switch signal circuit | 1. | Driver door request switch | 4. | Keyless start control module |
| A2: | Passenger door request switch signal circuit | 2. | Passenger door request switch |
DTC Confirmation Procedure
1)Set ignition “ON”.
2)Push request switch related to DTC.
3)Release request switch.
4)Keep ignition “ON” for 10 minutes or more.
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Request switch signal circuit check
1)Check that ignition is “OFF”.
2)Disconnect request switch and “L21” connectors.
3)Check for proper terminal connection to request switch and “L21” connectors.
4)If connections are OK, check that resistance between each of “A1”, “A2” and “A3” circuits and ground is infinity.
Is check result OK?
|
Go to Step 2.
|
Repair or replace defective wire harness.
|
| 2 |
Request switch check
Is check result OK?
|
Replace request switch.
|