Troubleshooting - Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement

TROUBLESHOOTING

INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptom
Speedometer does not work.
Tachometer does not work.
Fuel gauge does not operate.
Engine coolant temperature gauge does not operate.
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
Inspection Procedure 1
Speedometer does not work.
The cause may be a defective vehicle speed sensor circuit system or a defective
speedometer. Vehicle speed sensor is co-used among the engine-ECU and A/T-ECU.
Disconnect the combination meter con-
nectors B-01 and measure at the har-
ness sides.
(1) Measure the voltage between
terminal No.38 and body earth when
the vehicle is moved forwards and
backwards.
OK: 4.7 V or more
(2) Voltage between the terminal No.49
and body earth
OK: System voltage
(3) Continuity between the terminal
No.37 and body earth
OK: Continuity
OK
Replace the speedometer.
CHASSIS ELECTRICAL –
(1) NG
Vehicle speed sensor circuit system
inspection
Procedure 3 on P.54-19.)
(2) NG
Check the following connectors:
B-78, B-80, B-01
Check trouble symptom.
(3) NG
Check the following connectors:
B-01
Check trouble symptom.
Combination Meters
Probable cause
Malfunction of vehicle speed sensor
Malfunction of speedometer
Malfunction of harness or connector
(Refer to Inspection
NG
OK
NG
NG
OK
NG
54-17
54300070668
Inspection Reference
procedure page
1 54-17
2 54-18
4 54-20
5 54-21
Repair
Check the harness wire between the
power supply and combination meter,
and repair if necessary.
Repair
Check the harness wire between the
body earth and combination meter, and
repair if necessary.