Mercury V6 175 Diagnostic Manual page 35

Connector B
BA1 BB1 BC1 BD1 BE1 BF1 BG1 BH1 BJ1 BK1
BA2 BB2 BC2 BD2 BE2 BF2 BG2 BH2 BJ2 BK2
BA3 BB3 BC3 BD3 BE3 BF3 BG3 BH3 BJ3 BK3
BA4 BB4 BC4 BD4 BE4 BF4 BG4 BH4 BJ4
C
C4H C4G C4F C4E C4D C4C C4B
C3H C3G C3F C3E C3D C3C C3B
C2H C2F C2E C2D C2C
C2G C2B
C1H C1G C1F C1E C1D C1C C1B
Pin Function
BA1 Not used
BB1 UEGO (S1) O2 sensor
BC1 Shift position sensor 2
BD1 Oil level sensor
Exhaust gas temperature
BE1
(EGT) sensor signal
BF1 Not used
BG1 CAN P (propulsion data)—low
BH1 CAN X (DTS commands)—low
Throttle demand sensor
BJ1
position 1
90-8M0146617 eng JULY 2018
C4A
C3A
C2A
C1A
Wire Color
–
White/gray
Pink
Tan/black
Brown/white
–
Blue
Brown
Gray/green
PCM 112 Important Information and Pinouts
B
Application Notes
–
– Connects to pin 1 of the O2 connector.
–
–
2‑wire thermistor. Resistance increases as
–
temperature decreases.
–
CAN P bus carries dashboard gauge data and
backup digital throttle and shift commands. These
–
circuits require both high and low sides to operate.
This is the low (negative) side.
CAN X bus carries primary digital throttle and shift
– commands. These circuits require both high and low
sides to operate. This is the low (negative) side.
Not used on DTS
engines
© 2018 Mercury Marine
BM1
BL1
BL2 BM2
BM3
BL3
BK4 BM4
BL4
A1A A1B A1C A1D A1E A1F
A2A A2B A2C A2D A2E A2F
A3A A3B A3C A3D A3E A3F
A4A A4B A4C A4D A4E A4F
Description
–
–
–
–
–
A
A1G A1H
A2G A2H
A3G A3H
A4G
A4H
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