Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 396

Code No.94 Communication line system with throttle valve
controller
Range of check
Ignition switch: ON
System voltage: 8 V or more
Engine: not cranking
Set condition
System detects an error in communication line between the engine-ECU and
throttle valve controller.
Check the following connectors: B-15, B-30
Check trouble symptom.
Check the harness wire between the engine-ECU and throttle
valve controller.
Repair
Code No.95 Malfunction in throttle valve control servo
motor system (1st phase)
Range of check
Throttle valve control servo relay: ON
System voltage: 8 V or more
Set conditions
Throttle valve control servo drive circuit is shorted to earth.
Other power source interferences with throttle valve control servo drive circuit.
Throttle valve control servo drive circuit is open circuit.
Check the throttle valve control servo. (Refer to P.13A-109.)
Check the following connectors: B-15, A-68
Check trouble symptom.
Check the harness wire between the throttle valve control servo
and throttle valve controller.
Repair
GDI –
OK
NG
NG
OK
OK
NG
NG
Troubleshooting
Probable cause
Short circuit in communication line
Malfunction of the engine-ECU
Malfunction of the throttle valve controller
NG
Repair
OK
Replace the throttle valve controller.
Check trouble symptom.
Replace the engine-ECU.
Probable cause
Malfunction of the throttle valve control servo
Open circuit or short-circuited harness wire in throttle
valve control servo system, or poor connector contact
Malfunction of the throttle valve controller
NG
Replace
NG
Repair
OK
Replace the throttle valve controller.
13A-37
NG