Kubota V3800-CR-TE4 Diagnosis Manual page 218

V3800-CR-TE4,V3800-CR-TIE4, DM
P0409 / 523572-4: EGR position sensor failure
Behaviour during malfunction:
• Insufficient output
• Worsening exhaust gas performance
Detection item:
• EGR position sensor failure
DTC set preconditions:
• Battery voltage is normal
• No DTC of U0077 "CAN1 Bus off"
• EGR control line is normal
DTC set parameter:
• EGR position sensor error signal received via CAN
Engine warning light:
• ON
System action:
• Output limitation: Approximately 75 % of normal condition
• EGR stop
Recovery from error:
• Key switch turn OFF
(1) Terminal CAN1-H
(2) Terminal CAN1-L
(3) Terminal Ground
(4) Terminal Power (+12 V)
1-S191
(a) Terminal Layout
(b) EGR Valve Assembly
(c) Engine ECU
COMMON RAIL SYSTEM
9Y1200192CRS0736US0
(d) ECU Connector 2
(B: 58 Pin)
A: To Diagnosis Tool
9Y1200192CRS0737US0
KiSC issued 05, 2012 A