9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT) (2003)
The integral main relay supplies power to the solenoid valves and pump relay and cannot be replaced separately.
Pump relay
The integral pump relay supplies power to the return pump and cannot be replaced separately.
Diagnosis
The control module monitors its own internal functions and the other ABS-system components.
In the event of an internal control module fault, diagnostic trouble code Ci605 will be generated and the ABS system disconnected at the same time as
the ABS lamp, the brake fluid warning lamp and the central warning lamp come on.
ABS 5.4 Power Supply Diagrams
Power supply
Battery voltage (+30 circuit)