Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 52

INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
INSPECTION PROCEDURE 27
Accelerator pedal position switch system
The accelerator pedal position switch detects that the accelerator pedal is fully closed,
and sends a signal to the engine-ECU. The engine-ECU controls idle speed, based
on this signal.
Check the accelerator pedal position switch. (Refer to P.13A-11.)
Measure at accelerator pedal position sensor connector A-103.
D Disconnect the connector, and measure at the harness side.
D Voltage between terminal 4 and earth
(Ignition switch: ON)
OK: 4 V or more
D Continuity between terminal 5 and earth
OK: Continuity
Check the following connector: A-103
Check trouble symptom.
GDI <4G6> - GDI <4G6> -
OK
OK
OK
Troubleshooting Troubleshooting
Probable cause
D Maladjustment of the accelerator cable
D Maladjustment of the accelerator pedal position switch
D Open circuit or short-circuited harness wire in the
accelerator pedal position switch system, or poor
connector contact
D Malfunction of the engine-ECU
NG
Replace the accelerator pedal position sensor assembly.
NG
Check the following connectors: A-27, B-51, B-52
OK
Check trouble symptom.
NG
Check the harness wire between the engine-ECU and accelerator
pedal position sensor 1 (1st channel).
OK
NG
Repair
NG
Replace the engine-ECU.
13A-7
NG
Repair
NG
Repair