Check Keyless Entry Control Module
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK BODY INTEGRATED UNIT. Read the DTC using Subaru Select Monitor.
NOTE:
For detailed operation procedures, refer to "Application help".
|
Is DTC U1500 "KEYLESS UART COM. MALFUNCTION" displayed? | Go to step 2 . | Keyless entry control module is normal. |
2 CHECK POWER SUPPLY.
Connector & terminal (R221) No. 6 (+) - Chassis ground (-): |
Is the voltage 10 V or more? | Go to step 3 . | Check the harness for open or short circuits between the keyless entry control module and the fuse. |
| 3 CHECK GROUND CIRCUIT. Measure the resistance between keyless entry control module connector and chassis ground. Connector & terminal (R221) No. 5 - Chassis ground: (R221) No. 4 - Chassis ground: |
Is the resistance less than 10 Ω? | Go to step 4 . | Repair or replace the harness. |
4 CHECK KEYLESS ENTRY CONTROL MODULE CIRCUIT.
Connector & terminal (i81) No. 10 - (R221) No. 11: |
Is harness normal? | Replace the keyless entry control module. | Repair or replace the harness. |