Egt Sensor Removal - Mercury V6 175 Diagnostic Manual

Terminal Test Probe Kit
M
b
A
4 1
A
c
H
1 4
Connector
A

EGT Sensor Removal

1. Remove the engine cowls. Refer to the appropriate service manual.
2. Remove the electrical panel cover.
• On V8 models, pull the top aft until the pins are clear of the grommets, and then lift up.
a
b
• On V6 models, pull the panel aft.
90-8M0146617 eng JULY 2018
A1
BRN/WHT
E1
100B
M4
A1
BLK/ORN
E1
100A
H4
Pin
A
B
B
53172
V8 models
a - Pull aft
b - Lift up
63580
Bosch P/N MM‑ 46523
a
BRN/WHT B
BLK/ORN A
65450
Wire Color
Black/orange
Brown/white
© 2018 Mercury Marine
a - Exhaust gas temperature (EGT)
sensor connector
b - PCM connector B
c - PCM connector C
Function
Sensor ground A (–)
Exhaust gas temperature
Sensors
PCM
CE1
BE1
Page 5A-21