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Home >> Lexus >> 2012 >> IS 250C Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio / Video System (W/O Navigation) (Multi-Display) (Diagnostic Codes & Symptom Tests) >> AUDIO AND VISUAL SYSTEM (w/o Navigation System with Multi-display) >> Symptom Tests >> Reverse Signal Circuit >> Description

Reverse Signal Circuit: Description

The display and navigation module display receives a reverse signal from the main body ECU LH (cowl side junction block LH).

The ECM sends a reverse signal based on the shift position signal received from the park/neutral position switch assembly. The reverse signal sent from the ECM is received by the main body ECU LH (cowl side junction block LH) via the network gateway ECU using CAN communication and BEAN communication.