Symptoms - Heating, Ventilation, and Air Conditioning
Symptoms - Heating, Ventilation, and Air Conditioning |
Note | ||
The following steps must be completed before using the symptom tables. |
1. |
Perform the
Diagnostic System Check - Vehicle
before using the symptom tables in order to verify that all of the following are true:
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• |
There are no DTCs set
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• |
The control modules can communicate via the serial data link
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2. |
Review the system operation in order to familiarize yourself with the system functions. Refer to
Fuel Operated Heater Description and Operation
.
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Visual/Physical Inspection |
• |
Inspect for aftermarket devices which could affect the operation of the system. Refer to
Checking Aftermarket Accessories
.
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• |
Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
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Intermittent |
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .
Symptom List |
Refer to a symptom diagnostic procedure from the following list in order to diagnose symptoms from the fuel operated parking heater:
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Fuel Operated Heater Diagnostic Trouble Code (DTC) Displaying and Clearing
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Fuel Operated Heater Remote Control Malfunction
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Fuel Operated Heater Malfunction
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