Crankshaft Position Sensor Removal; Crankshaft Position Sensor Installation - Mercury V6 175 Diagnostic Manual

Sensors
Terminal Test Probe Kit
H
a
A
4 1
Connector
2
Red
Connector A, pin C4

Crankshaft Position Sensor Removal

1. Remove the cold air intake assembly:
a. Remove the oil level dipstick.
b. Loosen the hose clamp at the top of the throttle body assembly.
c. Lift the assembly up to disengage the two pins from the grommets on the oil fill bracket.
d. Swing the assembly out of the way.
2. Remove the oil fill bracket, alternator, and alternator belt. Refer to the appropriate service manual.
3. Disconnect the sensor harness from the engine harness.
4. Remove two M5 x 13 hex washer head screws, and remove the sensor.
c
b
a

Crankshaft Position Sensor Installation

NOTE: Refer to the preceding illustration, as required.
1. Position the sensor on the engine, and secure the sensor with two M5 x 13 hex washer head screws. Tighten the screws to
the specified torque.
Description
M5 x 13 hex washer head screw
2. Connect the sensor harness to the engine harness.
3. Install the alternator, alternator belt, and oil fill bracket. Refer to the appropriate service manual.
Page 5A-16
A1
RED
C4
WHT
D4
H4
Pin Wire Color
1
1
2
65663
Meter Test Leads
Black
Connector A, pin D4
© 2018 Mercury Marine
Bosch P/N MM‑ 46523
b
RED 1
WHT 2
65448
Red Crankshaft position sensor +
White Crankshaft position sensor –
Meter Scale
Auto
a - Crankshaft position sensor
b - M5 x 13 hex washer head screws (2)
c - Flywheel
b
66574
a - PCM connector A
b - Crankshaft position sensor
connector
Function
Reading
300–350 Ω at 21 °C (70 °F)
Nm lb‑in.
5 44.3
90-8M0146617 eng JULY 2018
PCM
AC4
AD4
lb‑ft
–