Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 766

Inspection Procedure 5
In the inspection by MUT-II service data, the parking brake
switch is not turned ON or turn OFF.
ABS-ECU optimizes the ABS control when pulling the parking brake lever, parking
brake switch signal is used as support. If there is a fault in the parking brake switch
system, ABS control is not optimized.
Measure at the ABS-ECU connector B-123.
D Disconnect the connector, and measure at the harness side
connector.
D Measure by pulling or releasing the parking brake lever.
D Continuity between 1 and body earth
OK: Continuity <Pulling the lever>
OK: No continuity <Releasing the lever>
Check the following connectors: B-123, C-26, C-128 <R.H. drive
vehicles>, C-130 <L.H. drive vehicles>, D-23
Check the trouble symptom.
Check the harness wire.
D Between parking brake switch and ABS-ECU
Check the parking brake switch installation condition.
Replace the parking brake switch. (Refer to GROUP 36.)
ABS <4WD> -
NG
OK
NG
OK
OK
Troubleshooting
Probable cause
D Malfunction of parking brake switch
D Malfunction of wiring harness or connector
D Malfunction of hydraulic unit and ABS-ECU
OK
Check the following connector: B-123
OK
Check the trouble
symptom.
NG
Replace the hydraulic unit and ABS-ECU.
NG
Repair
NG
Repair
NG
Repair
35B-19
NG
Repair