Mitsubishi MOTORS CARISMA 1996, Service Bulletin

Page: 76 / 232

7
Inspection Procedure 7
Even if auto-cruise control CANCEL switch is set to ON,
auto-cruise control is not cancelled. Probable cause
The cause is probably an open-circuit in the circuit inside the CANCEL switch.
•
Malfunction of the auto-cruise control-ECU
Replace the auto-cruise control switch
Inspection Procedure 8
The diagnosis result displayed on the MUT-II is normal
even though auto-cruise control cannot be set Probable cause
Because of an open-circuit in the battery backup circuit system, the fail-safe
function prevents diagnosis codes from being memorised and displayed even
though auto-cruise control is cancelled
•
Malfunction of the connector
•
Malfunction of the harness
•
Malfunction of the auto-cruise control-ECU
Measure at auto-cruise control-ECU
connector B-35 Check the following connectors.
B-83, B-89, B-17
Repair
•
Disconnect the connector and
measure at the harness side.
•
Voltage between terminal (6) and
earth
OK
OK: System Voltage
Check trouble symptom
OK NG
Check the following connector. B-35 Check the harness wire between the
OK
auto-cruise control-ECU and power
supply, and repair if necessary.
Check trouble symptom.
OK
Replace the Auto-cruise control-ECU
17-16
ENGINE AND EMISSION CONTROL - Auto-cruise Control System
NG
NG
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