Product Manual

The temperature and manifold absolute pressure (TMAP) sensor combines the manifold absolute pressure sensor and
manifold air temperature sensor into a single unit. The TMAP sensor is positioned in the throttle body, downstream of the
throttle plate.
Wiring Diagram
a - ECM
b - TMAP
TMAP Removal
1.
Disconnect the TMAP sensor from the engine harness.
2. Remove the two screws that secure the TMAP sensor to the throttle body.
Top view of TMAP sensor
a - Screws (2)
b - Engine harness connector
3. Remove the TMAP sensor and discard the O‑ring seal.
TMAP Installation
1.
Install a new O‑ring onto the TMAP sensor.
2. Apply one drop of clean engine oil to the O‑ring.
3. Install the TMAP sensor into the throttle body, and tighten the retaining screws to the specified torque.
Description Nm lb‑in. lb‑ft
TMAP retaining screws 3.0 26.6 –
4. Connect the engine harness to the TMAP sensor.
J3
J2
GRN/ORN
RED/WHT
GRN/WHT
BLK/BLU
GRN/WHT
RED/WHT
BLK/BLU
GRN/ORN
1
2
3
4
6
7
25
27
1 2
3
4
1
18
1734
17
1
10
3
2
4
5
6
7
13
15
12
11
14
16
9
8
34
18
27
20
19
21
22
23
24
30
32
29
28
31
33
26
25
a
b
62911
a
b
62971
Ignition
90-8M0125265 eng NOVEMBER 2017 © 2018 Mercury Marine Page 2A-11