Mitsubishi MOTORS Space Runner 1998, Workshop Manual

Page: 353 / 1164

GDI <4G9> -
Throttle Body/Injector Driver
13B-111
CLEANING THROTTLE BODY PARTS
1. Clean all throttle body parts.
Do not use solvent to clean the following parts:
D Throttle position sensor
D Accelerator pedal position sensor
D Idle speed control body assembly
If these parts are immersed in solvent, their insulation
will deteriorate.
Wipe them with cloth only.
2. Check if the vacuum port or passage is clogged. Use
compressed air to clean the vacuum passage.
REASSEMBLY SERVICE POINT
"
A
A
THROTTLE POSITION SENSOR (TPS)
INSTALLATION
1. Position the throttle position sensor on the throttle body
along the dotted line as shown in the illustration.
2. Rotate the throttle position sensor clockwise as shown
in the illustration, and then tighten the screws.
3. Connect a multimeter between terminal (4) (TPS power
supply) and terminal (3) (TPS output) of the TPS
connector, and check that the resistance increases
gradually as the throttle valve is opened slowly to the
fully-open position.
4. If there is an abnormality, replace the TPS.
INJECTOR DRIVER
Refer to GROUP 13A.
Throttle position sensor
Not used
Earth
TPS
power
supply
TPS output