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Home >> Acura >> 2021 >> RDX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC Diagnostics (P1659 - U0047) >> DTC Troubleshooting >> DTC P1659 >> Inspection >> Control (DBW_RLY_CL-) Circuit Inspection

Control (DBW_RLY_CL-) Circuit Inspection

NOTE: Before disconnecting the PCM connector, jump the SCS line with the HDS, and wait more than 1 minute.

Test Procedure 

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