Common 1 System Injector Drive Circuit Open (Dtc P2146 / 523523-2) - Kubota 07-CR-E5 Manual

07-CR-E5,07-CR-TE5,07-CR-TIE5, DM

(45) Common 1 System Injector Drive Circuit Open (DTC P2146 / 523523-2)

Behaviour during malfunction:
• Insufficient output
• Large vibration
• Worsening exhaust gas performance
• Engine stops in some case
Detection item:
• Wiring harness open circuit
DTC set preconditions:
• Engine is operating
• Battery voltage is normal
• During injection
• CPU is normal
DTC set parameter:
• When wiring harness open circuit
Engine warning light:
• ON
Limp home action by engine ECU (system action):
• Output limitation: Approximately 75 % of normal condition
• EGR stop
• Intake throttle 100 % open
Recovery from error:
• Key switch turn OFF
(1) Terminal COMMON
(2) Terminal TWV
(a) Pin Assignment
(b) Engine Cylinder No.
(c) Injectors
1-S259
(d) Constant Amperage Circuit
(e) High Voltage Generation
Circuit
COMMON RAIL SYSTEM
9Y3200007CRS0399US0
(f) Control Circuit
(g) Engine ECU Connector 1
(Engine Side)
(h) Engine ECU
9Y3200007CRS0400US0
KiSC issued 03, 2022 A