Electronic throttle control replacement – JLG 4394RT Service Manual User Manual
Page 150
SECTION 3 - CHASSIS, PLATFORM & SCISSOR ARMS
3-114
– JLG Lift –
3121249
Temperature Manifold Absolute Pressure
(TMAP) Sensor
REMOVAL:
1. Disconnect the TMAP electrical connector.
2. Remove the two retaining bolts.
3. Remove the TMAP.
INSTALLATION:
NOTE: Apply a small amount of O-ring lubricant before
installation.
1. Install in the TMAP.
2. Tighten retaining bolts to 62 lb-in (7 Nm).
3. Start the vehicle and check for proper operation.
Electronic Throttle Control Replacement
REMOVAL:
1. Disconnect the negative battery cable.
2. Remove the air intake duct.
3. Release the hose clamp on the vapor fuel line and
remove the vapor hose.
4. Disconnect the TMAP electrical connector.
5. Disconnect the electronic throttle control connector.
6. Remove the manifold to throttle body adapter bolts
and remove the throttle body mixer assembly.
7. Pull the throttle body assembly from the adapter.
8. Remove electronic throttle control device.
9. Remove the O-rings gasket and discard.
INSTALLATION:
LIGHTLY LUBRICATE BOTH THROTTLE CONTROL DEVICE TO
ADAPTER O-RINGS.
1. Install the O-ring on throttle body. Press it down to
the bottom of the surface.
Figure 3-91. (TMAP) Sensor & Electronic Throttle
Control (ETC)