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Field Service Ver. 1.0 Aug. 2007
8. Malfunction code
23
JS-504
T
roubleshooting
8.2
Solution
8.2.1
C1004: FNS communication error
8.2.2
C1182: Shift motor drive failure
Relevant electrical parts
JS control board (JSCB)
Step
Action
WIRING DIAGRAM
Control signal
Location
(Electrical
component)
1
Disconnect and then connect the power
cord. Turn OFF the main power switch, wait
for 10 sec. or more, and turn ON the main
power switch.
—
—
2
Rewrite firmware using the compact flash
card.
—
—
3
Change JSCB
—
—
Relevant electrical parts
Shift motor (M2)
Shift home sensor (PS6)
JS control board (JSCB)
Step
Action
WIRING DIAGRAM
Control signal
Location
(Electrical
component)
1
Check the M2 connector for proper con-
nection and correct as necessary.
—
—
2
Check the connector of M2 for proper
drive coupling and correct as necessary.
—
—
3
PS6 I/O check, sensor check
JSCB PJ7JSCB-18 (ON)
JS-504 F-3
4
M2 operation check
JSCB PJ4JSCB-1 to 4
JS-504 F-6
5
Change JSCB
—
—
Y109311
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7 Service Manual