SECTION 6 - TROUBLESHOOTING
31215825
6-29
Code 25 - Auxiliary #1 Circuit - Disconnected
Check For These Obvious Conditions First:
• Is machine equipped with a component on the Auxiliary #1 circuit.
Code 26 - Auxiliary #2 - Short Circuit
Check For These Obvious Conditions First:
• Damaged wiring in the Auxiliary #2 Component wiring harness or a damaged Component.
Table 6-28. Code 25 - Auxiliary #1 Circuit - Disconnected
STEP
ACTION
SPEC
YES
NO
1.
Is machine equipped with a
component on the Auxiliary #1 circuit
.
—
Go to Step 3
Got to Step 2
2.
At the Ground Control Module enter the programming mode, check
if the Auxiliary #1 open circuit detection is enabled.
Default = NO
Disable It
Replace Ground
Control Module
3.
Check voltage at the P1 connector on the Ground Control Module
between pin-9 and pin-2. Is reading within specification?
2 - 4 V DC
Replace Ground
Control Module
Go to Step 4
4.
Remove the wire terminals at the Aux. #1 component, check conti
-
nuity of each of the wires from pins-9 and 2 on the P1 connector to
the Aux. #1 component.
—
Replace the
Component
Repair or
Replace Wiring
Table 6-29. Code 26 - Auxiliary #2 - Short Circuit
STEP
ACTION
SPEC
YES
NO
1.
At the Ground Control Module, P1 connector, check the voltage
across pins-8 and 1 to the Aux. #2 component. Is reading within spec
-
ification?
0 - 2V DC
Go to Step 2
Replace Ground
Control Module
2.
Remove the wire terminals at the Aux. #2 component, check conti
-
nuity of each of the wires from pins-8 and 1 on the P1 connector to
the Aux. #2 component end.
—
Replace the
Component
Repair or
Replace Wiring
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