Dodge Ram Truck 1500-2500-3500. Manual — part 2004
BLEND CIRCUIT SHORTED TO GROUND (DUAL-ZONE)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
When the Actuator Circuit Test is executed.
•
Set Condition:
If the A/C Heater Control detects a short to ground on the (C33) Passenger Blend Door Driver circuit.
Possible Causes
DOOR DRIVER CIRCUIT(S) SHORTED TO GROUND
DOOR DRIVER CIRCUITS SHORTED TOGETHER
DOOR ACTUATOR(S)
A/C HEATER CONTROL
Refer to *ACTUATOR CIRCUIT TEST DIAGNOSTICS (DUAL-ZONE) in this Section for the diagnostic test pro-
cedure.
24 - 16
HVAC - ELECTRICAL DIAGNOSTICS
DR/DH
BLEND CIRCUIT SHORTED TO GROUND (SINGLE-ZONE)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
When the Actuator Circuit Test is executed.
•
Set Condition:
If the A/C Heater Control detects a short to ground on the (C61) Blend Door Driver circuit.
Possible Causes
DOOR DRIVER CIRCUIT(S) SHORTED TO GROUND
DOOR DRIVER CIRCUITS SHORTED TOGETHER
DOOR ACTUATOR(S)
A/C HEATER CONTROL
Refer to *ACTUATOR CIRCUIT TEST DIAGNOSTICS (SINGLE-ZONE) in this Section for the diagnostic test pro-
cedure.
DR/DH
HVAC - ELECTRICAL DIAGNOSTICS
24 - 17
BLEND CIRCUIT SHORTED TO IGN OR BATT (DUAL-ZONE)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
When the Actuator Circuit Test is executed.
•
Set Condition:
If the A/C Heater Control detects a short to voltage on the (C33) Passenger Blend Door Driver circuit.
Possible Causes
DOOR DRIVER CIRCUIT(S) SHORTED TO VOLTAGE
DOOR DRIVER CIRCUITS SHORTED TOGETHER
DOOR ACTUATOR(S)
A/C HEATER CONTROL
Refer to *ACTUATOR CIRCUIT TEST DIAGNOSTICS (DUAL-ZONE) in this Section for the diagnostic test pro-
cedure.
24 - 18
HVAC - ELECTRICAL DIAGNOSTICS
DR/DH
BLEND CIRCUIT SHORTED TO IGN OR BATT (SINGLE-ZONE)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
When the Actuator Circuit Test is executed.
•
Set Condition:
If the A/C Heater Control detects a short to voltage on the (C61) Blend Door Driver circuit.
Possible Causes
DOOR DRIVER CIRCUIT(S) SHORTED TO VOLTAGE
DOOR DRIVER CIRCUITS SHORTED TOGETHER
DOOR ACTUATOR(S)
A/C HEATER CONTROL
Refer to *ACTUATOR CIRCUIT TEST DIAGNOSTICS (SINGLE-ZONE) in this Section for the diagnostic test pro-
cedure.
DR/DH
HVAC - ELECTRICAL DIAGNOSTICS
24 - 19
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