TM 10-3930-675-24-1
INPUT AND OUTPUT SIGNALS FOR STEERING ECU (792) TROUBLESHOOTING - CONTINUED
0017 00
Short Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Error Code 413 - Boom Folding Supply Valve,
Short Circuit Failure.
Error code 413 is an information type error code. It
may not activate for the operator. The operator may
report the boom folding system is not working. Enter
DIAG STEERING 2(16) in the Diagnostic menu to ver-
ify the code or enable the information type codes in the
initialization menu.
1. Test for resistance. Open the Replace 643 boom folding supply
door to the remote hydraulic valve if damaged or resistance is
compartment. Locate the 6043 not as specified (WP 0263 00).
boom folding supply valve on
the left side wall. Disconnect
the connector and check the
resistance of the solenoid coil.
Resistance should be 40 to 50
Ohms.
2. Check
for
continuity. a. If continuity to ground is
Disconnect connector X195
found, move the cab to the
located in the middle panel and
transport position to access
disconnect the 6043 boom
X198 under the cover plate.
folding supply valve. Check
Disconnect X198 pin 9 wire
for continuity to ground on the
VT and recheck.
loose part of X195 at pin 8 (WP b. If continuity to ground is still
found, check wire VT for
be continuity to ground.
continuity to ground (WP
0048 00-30).
c. Replace grounded X195 to
X198 cable (WP 0113 00).
3. Check
for
continuity. a. If continuity to ground is
Disconnect connector X198
found, replace wire X198 to
pin 9 wire GY and disconnect
6043 cable (WP 0113 00).
the 6043 boom folding supply b. If continuity to ground is not
valve. Check wire GY for
found, check wire A195B for
continuity to ground (WP 0048
continuity to ground (WP
00-30). There should not be
0048 00-30).
continuity to ground.
c. Replace
grounded
wire
A195B.
4. Check ECU (792) pin 59 for a. Replace damaged ECU (792)
connection or damage (WP
terminal board (WP 0080 00).
0048 00-30).
b. Replace ECU (792) (WP 0080
00).
0017 00-13
