Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 562

Throttle position sensor
TPS output
TPS power
supply
Vacant
MPI –
Throttle Body
CLEANING THROTTLE BODY PARTS
1. Clean all throttle body parts.
Do not use solvent to clean the following parts:
D
D
D
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
AA THROTTLE POSITION SENSOR (TPS)
1. Install the TPS so that it faces as shown in the illustration,
and then tighten it with the screw.
2. Connect a circuit tester between terminal No.1 (TPS power
supply) and terminal No.2 (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.
Earth
Throttle position sensor
Accelerator pedal position sensor
Idle speed control servo assembly
INSTALLATION
13B-81