Mil [Malfunction Indicator Lamp (Diagnostic Lamp)] - Mercury MerCruiser D2.8L D-Tronic Service Manual

EDI DIAGNOSIS

MIL [Malfunction Indicator Lamp (Diagnostic Lamp)]

MODELS WITH EARLY (16 PIN) CONNECTOR
Scan Code:
Blink Code:
Malfunction Indicator Lamp:
CIRCUIT DESCRIPTION:
The MIL (Malfunction Indicator Lamp) is controlled by the ECM. The lamp is supplied 12
volts with the key in the ON/RUN position. A ground (–) path is closed when the ECM
determines that a malfunction (trouble code) has occurred. The lamp is illuminated.
26
Page 5E-58
a
BRN/WHT
b
c
a - Electrical Box
b - Pin 2 of Instrumentation Harness 16 Pin Connector
c - Pin 2 of ECM 11 Pin Harness Connector
d - MIL
e - Instrument Panel
f - ECM Supplied Ground Circuit
CKT PIN
ECM controlled Ground (–) for dash panel MIL
P1650
1242
OFF
d
BRN/WHT
NAME
SERVICE MANUAL NUMBER 22
e
75305
ECM
26
75476
90-860074--1 FEBRUARY 2002