Diagnostic Strategies

N7-B NAVIGATION ECU
B-5-GROUND Always approx. 12 volts
B-13-GROUND : Approx 12 volts with ignition SW at ACC or ON position
B-8-GROUND : Always continuity

M7 (B) MULTI DISPLAY
B-6-GROUND : Always approx. 12 volts
B-16-GROUND : Approx. 12 volts with ignition SW at ACC or ON position
B-1-GROUND : Always continuity

R37-E RADIO AND PLAYER
E-4-GROUND : Always approx. 12 volts

S27-F STEREO COMPONENT AMPLIFIER
F-4-GROUND : Always approx. 12 volts