320C and 322C Excavators Attachment Hydraulic System – Diagnostic Code List

Table 1
Diagnostic Codes For The Tool Control System (1)    
For troubleshooting the tool control system, see the procedure with the same CID FMI.    
CID FMI     Description    
CID 145 12 Volt DC Power Supply    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1522 Solenoid Valve for the Number Two Check Valve    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1523 Solenoid Valve for the Number Two Check Valve    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1593 Extend Solenoid Valve for Auxiliary Stem 1    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1594 Extend Solenoid Valve for Auxiliary Stem 2    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1595 Extend Solenoid Valve for Auxiliary Stem 3    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1596 Retract Solenoid Valve for Auxiliary Stem 1    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1597 Retract Solenoid Valve for Auxiliary Stem 2    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1598 Retract Solenoid Valve for Auxiliary Stem 3    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1609 Clench Pressure Sensor    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 04     Voltage is below normal or the circuit is shorted low.    
CID 1615 Solenoid Valve for One-Way Flow or Two-Way Flow    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1657 Left Joystick Slide Control    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 04     Voltage is below normal or the circuit is shorted low.    
FMI 08     The signal is abnormal.    
CID 1658 Right Joystick Slide Control    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 04     Voltage is below normal or the circuit is shorted low.    
FMI 08     The signal is abnormal.    
CID 1665 Solenoid Valve for the Number One Relief Valve    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1666 Solenoid Valve for the Number Two Relief Valve    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
( 1 ) The MID for the Tool Control System is 06A. This table is applicable to diagnostic codes with a MID of 06A.
Table 2
Diagnostic Codes For The Engine And Pump Control System (1)    
For troubleshooting the engine and pump controller, see the procedure with the same CID FMI.    
CID FMI     Description    
CID 1524 Proportional Solenoid Valve for Negative Flow Control    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
CID 1590 Proportional Solenoid Valve for Negative Flow Control    
FMI 03     Voltage is above normal or the circuit is shorted high.    
FMI 05     Current is below normal or the circuit is open.    
FMI 06     Current is above normal or the circuit is grounded.    
( 1 ) The MID for the Engine and Pump Controller is 069. This table is applicable to diagnostic codes with a MID of 069.