Main Relay Is Locked In Closed Position (Dtc P0687 / 1485-2) - Kubota V3800-CR-TE4 Diagnosis Manual

V3800-CR-TE4,V3800-CR-TIE4, DM

(32) Main Relay is Locked in Closed Position (DTC P0687 / 1485-2)

Behaviour during malfunction:
• Dead battery
Detection item:
• Failure of main relay
DTC set preconditions:
• Key switch is OFF
• Engine stops
DTC set parameter:
• Main relay stays active longer than 1 sec. without command and battery voltage is 8 V or more
Engine warning light:
• ON
* Follow the machine instruction
System action:
• None
Recovery from error:
• Diagnostic counter = zero
(1) Input Terminal
(2) ACC
(3) Output Terminal
(4) START
(5) Terminal 1
(6) Terminal 2
(7) Terminal 3
(8) Terminal 4
1-S217
(a) Main Relay Terminal Layout
(b) Key Switch
(c) Main Relay
COMMON RAIL SYSTEM
9Y1200192CRS0774US0
(d) Battery
(e) ECU Connector 2
(B: 58 Pin)
9Y1200186CRS0112US0
KiSC issued 05, 2012 A