Except Mark Levinson

LEXUS NAVIGATION SYSTEM, RADIO AND PLAYER (EXCEPT MARK LEVINSON W/ LEXUS NAVIGATION SYSTEM)

R6 (D) Radio and Player with Display
(D) 1-Ground : Always approx. 12 volts
(D) 11-Ground : Approx. 12 volts with ignition SW at ON or ACC position
(D) 20-Ground : Always continuity

N2 (A) Navigation ECU
(A) 18-Ground : Approx. 12 volts with ignition SW at ON or ACC position
(A) g-Ground : Always approx. 12 volts
(A)17-Ground : Always continuity

S10 (A), S11 (B) Stereo Component Amplifier
(A) 7-Ground : Always approx. 12 volts
(B) 6-Ground : Approx. 12 volts with ignition SW at ON or ACC position
(A)12-Ground : Always continuity