Initial Inspection and Diagnostic Overview

B1 BRAKE FLUID LEVEL WARNING SW
1 - 2 : Closed with the float down

M3 (A), M4 (B), M5 (C), M6 (D), M7 (E) MULTI DISPLAY
(A) 5 - GROUND : Approx. 12 volts with the ignition SW at ST position and the shift lever at P or N position
(D) 4 - GROUND : Approx. 12 volts with the ignition SW at ON position
(A) 12, (E) 3 - GROUND : Always approx. 12 volts
(A) 11, (A) 22 - GROUND : Always continuity

O2 OIL PRESSURE SW
1 - GROUND : Closed with the oil pressure above approx. 20 kPa (2.8 psi, 0.2 kgf/sq.cm)

W3 WATER TEMP. SENDER
1 - GROUND : Approx. 160 - 240 Ohm (50 °C, 122 °F)
: Approx. 17.1 - 20.4 Ohm (120 °C, 288 °F)

C9 (A), C10 (B) COMBINATION METER
(A) 14 - GROUND : Always approx. 12 volts
(A) 15 - GROUND : Approx. 12 volts with the ignition SW at ON position
(A) 21 - GROUND : Always continuity