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P1511-BATTERY SENSE LINE 1 VOLTAGE TOO HIGH —
TEST
6
Turn the ignition off.
Disconnect the ECM harness connectors.
Measure the resistance between the Battery negative terminal and the Battery(-)
Sense circuit in ECM harness connector cavity C1-20.
Is the resistance below 5.0 ohms?
Yes → Go To 7
→ Repair the Battery(-) Sense circuit for an open.
No
7
Turn the ignition off.
Disconnect the ECM harness connectors.
Remove Fuse 26 from the PDC.
Measure the resistance of the Battery(+) Sense circuit.
Is the resistance below 5.0 ohms?
Yes → Go To 8
→ Repair the Battery(+) Sense circuit for an open.
No
8
If there are no possible causes remaining, view repair.
Repair
9
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running and at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?
Yes → Repair as necessary.
→ Test Complete.
No
ACTION
Perform ROAD TEST VERIFICATION - VER-2.
Perform ROAD TEST VERIFICATION - VER-2.
Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
Perform ROAD TEST VERIFICATION - VER-2.
DRIVEABILITY - DIESEL
191
Continued
APPLICABILITY
All
All
All
All
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