TM 10-3930-675-24-1
ELECTRONIC CONTROL UNIT (ECU) INPUT VOLTAGE TROUBLESHOOTING - CONTINUED
0013 00
Table 6. Error Code 203 - 10V Reference Voltage for Tophandler ECU (791) Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 203 - 10V Reference Voltage for 1. Enter
"DIAG
a. Should be around 10V.
Tophandler ECU (791) Failure.
ATTACHMENT" 1(16) in the
b. If no voltage (10V) is found,
diagnostic menu. Check "10V
proceed with step 2.
REF OUT" value.
2. Remove the cover from the
Replace damaged tilt angle
tophandler junction box to gain
sensor (WP 0101 00).
access. Check tilt angle sensor
and cable for damage (WP
0048 00-26).
3. Disconnect the tilt angle sensor a. If voltage (10V) returns,
from X180 (WP 0048 00-26)
replace tilt angle sensor (WP
and recheck voltage (10V) in
0101 00).
the diagnostic menu.
b. If voltage (10V) does not
return, check continuity to
ground for wires A18010,
A18011, and A18012 (WP
0048 00-26).
c. Repair or replace damaged
wires or connectors (WP 0113
00).
4. Disconnect
ECU
(791) a. Repair or replace damaged
connector 1 and inspect ECU
wires or connectors (WP 0113
and connector pins for
00).
damage.
b. Replace ECU (791) (WP 0080
00).
0013 00-10
