TROUBLESHOOTING AND ELECTRICAL SYSTEM: HONDA POWERED GASOLINE VEHICLES
Test Procedures
2007 Carryall 295/295 SE & XRT 1550/1550 SE Gasoline, Diesel and IntelliTach M & S Manual
Page 11b-19
11B
Test Procedure 9A – Diode 1 on wire 32
See General Warning, Section 1, Page 1-1.
1. Turn the key switch OFF and remove the key. Place the Forward/Reverse handle in NEUTRAL. Chock
the wheels.
2. Disconnect the battery cables as instructed.
See WARNING “To avoid unintentionally starting...” in
General Warning, Section 1, Page 1-1.
DIODE TROUBLESHOOTING GUIDE
DIODE
IN-LINE WIRE
LOCATION
(WIRES)
FUNCTION
FAILURE
CONDITION
SYMPTOM/COMMENT
Diode 1
w32 and w35
Differential solenoid coil flyback
diode
Open
Will contribute to the premature
failure of the differential relay
contacts.
Closed
The 10-amp fuse (on w109) will
blow repeatedly until the diode has
been replaced.
Diode 2
w40 and w41
Carburetor solenoid control
(powers carburetor solenoid when
key switch is in the START position)
Open
Difficult starting
Closed
Starter will be activated when key
switch is in the ON position.
Diode 3
w45 and w123
Carburetor solenoid control
(powers carburetor solenoid when
key switch is in the ON position)
Open
Difficult starting and engine will shut
off shortly after key switch is moved
from the START to ON position.
Closed
Oil light may illuminate when key is
in ON position until oil pressure
rises.
Hour meter will be powered when
key switch is in the START position.
Diode 4
w140 and w139
Differential relay coil isolation diode
Open
Differential solenoid is energized all
of the time, even when Forward/
Reverse handle is in the NEUTRAL
position.
Closed
May allow the vehicle to be started
when Forward/Reverse handle is in
FORWARD or REVERSE positions.
Diode 5
w141 and w138
Start relay coil isolation diode
Open
Vehicle will not start. Start relay will
not be energized when key switch
is in the START position.
Closed
Loss of start relay coil isolation.
Diode 6
w130 and w122
Carburetor solenoid coil flyback
diode
Open
Will contribute to the premature
failure of the key switch contacts.
Closed
The 10-amp fuse (on w109) will
blow repeatedly until the diode has
been replaced.
Diode 7
w129 and w131
Starter solenoid coil flyback diode
Open
Will contribute to the premature
failure of the start relay contacts.
Closed
The 25-amp fuse (on w29) will blow
repeatedly until the diode has been
replaced.
Содержание IntelliTach XRT 1550
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