Dodge Ram 2004 Service Manual page 384

HEATING & A/C
ACT CKT TEST PASSED, OVERCURRENT DTCS ACTIVE —
TEST
1 CAUTION: To ensure a proper diagnosis, repair all Short Too Complex
messages first, all common door driver ckt related messages next, and all
other messages last.
CAUTION: The DRBIII
messages at a time. After repairing each Actuator Circuit Test message,
cycle the ignition switch, then rerun the Actuator Circuit Test to ensure no
new messages exist.
CAUTION: If Overcurrent DTCs are active and the DRBIII displays Actu-
ator Circuit Test Passed, proceed to Act Ckt Test Pass, Overcurrent DTCs
Activ when asked Which Actuator Circuit Test Message Is Present.
Which Actuator Circuit Test message is present?
XXX Driver/Ckt Short to Gnd
XXX Driver/Ckt Short to Ign or Batt
Short Too Complex
XXX Drv/Ckt Short to Gnd & to Ign or Bat
Act Ckt Test Pass, Overcurrent DTCs Acti
2 Turn the ignition off.
Disconnect the A/C - Heater Control C1 harness connector.
Measure the resistance between ground and the applicable door driver circuit.
Is the resistance below 10K ohms?
Yes → Repair the door driver circuit for a short to ground.
→ Go To 3
No
3 Turn the ignition off.
Disconnect the A/C - Heater Control C1 harness connector.
Measure the resistance between the Common Door Driver circuit and the applicable
door driver circuit.
Is the resistance below 30.0 ohms?
Yes → Replace the door actuator in accordance with the Service Infor-
→ Go To 5
No
4 Turn the ignition off.
Disconnect the A/C - Heater Control C1 harness connector.
Turn the ignition on.
Measure the voltage between the applicable door driver circuit and ground.
Is there any voltage present?
Yes → Repair the door driver circuit for a short to voltage.
→ Go To 5
No
ACTION
can display up to three Actuator Circuit Test
Go To 2
Go To 4
Go To 6
Go To 8
Go To 8
Perform BODY VERIFICATION TEST - VER 1.
mation.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
370
Continued
APPLICABILITY
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All
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