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Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (For DVD) (Diagnostic Codes & Symptom Tests) >> NAVIGATION SYSTEM (for DVD) >> DTC B156A: Gateway ECU Disconnected; DTC B1590: No Response from Gateway ECU >> Inspection Procedure

Inspection Procedure

NOTE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

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