Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 801

35B-12
INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS
Inspection Procedure 1
Communication with MUT-II is not possible.
(Communication with all systems is not possible.)
The reason is probably defect in the power supply system (including earth) for the
diagnosis line.
Refer to GROUP 13A – Troubleshooting.
Inspection Procedure 2
Communication with MUT-II is not possible.
(Communication with ABS only is not possible.)
When communication with the MUT-II is not possible, the cause is probably an
open circuit in the ABS-ECU power circuit or an open circuit in the diagnosis output
circuit.
Measure at diagnosis connector B-35
and ABS-ECU connector A-47.
Disconnect the connector and
measure at the harness side.
Continuity between the following
terminals
OK: Continuity
ABS-ECU side
Diagnosis connector side 7
OK
Measure at ABS-ECU connector A-47.
Disconnect the connector and
measure at the harness side.
Ignition switch: ON
Voltage between 15 – Body earth
OK: System voltage
OK
Measure at ABS-ECU connector A-47.
Disconnect the connector and
measure at the harness side.
Continuity between
16, 19 – Body earth
OK: Continuity
OK
Check the following connector:
A-47
OK
Check trouble symptoms.
ABS <2WD> –
NG
Check the following connectors:
A-47, B-35, B-42, B-60X
Check trouble symptoms.
11 12
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1
NG
Check the following connectors:
A-47, B-42, B-80, B-77
Check trouble symptoms.
NG
Repair
NG
Repair
NG
Replace the hydraulic unit assembly.
Troubleshooting
Probable cause
Malfunction of wiring harness or connector
Probable cause
Blown fuse
Malfunction of wiring harness or connector
Malfunction of ABS-ECU
NG
OK
NG
NG
OK
NG
Repair
Check the harness between the ABS-
ECU and diagnosis connector, and re-
pair if necessary.
Repair
Check the harness between fuse No.
5 inside the junction block and ABS-
ECU, and repair if necessary.