Mitsubishi 3000GT 1991 Service Manual page 745

SERVICE BRAKES -
E-4 When diagnosis codes "41 FR SOL. VALVE", "42 FL SOL. VALVE" or
"43 REAR SOL. V." are displayed.
[Explanation]
The ABS ECU normally monitors the solenoid valve
drive circuit.
If no current flows in the solenoid even if the ECU
turns the solenoid ON or if it continues to flow even
5 3
ABS-ECU
Y Y Y Y
disconnect ECU connector
I
Malfunction of ABS ECU
6
I
TSB Revision
when turned OFF, the ECU determines the solenoid
coil wire is broken/short-circuited or the harness is
broken/short-circuited, and then these trouble
codes are output.
Yes
1
The harness wire for the
solenoid valve circuit
whose resistance value is
outside the range of the
standard value is broken
or short circuited.
Repair ABS harness.