LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> Automatic Transmission System >> TCM Power Source Circuit >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

TCM Power Source Circuit: Description

When the engine switch is turned on (IG), voltage from the ECM's MREL terminal is applied to the EFI MAIN 2 relay. This causes the contacts of the EFI MAIN 2 relay to close, which supplies power to terminal +B of the TCM.

scientia non olet · About LEMON Manuals