Electronic Climate Control (ECC)
Electronic Climate Control (ECC) (Automatic Control Air Conditioning) Diagnostic Trouble Codes (DTCs). Diagnostic Pointer -02DTC DESCRIPTION
DTC O9 Low Freon Flag Set
NOTE: (DTC 09 was discontinued - only some early vehicles may have this capability)
DTC 10 Outside Temperature Sensor Failure
DTC 13 In Car Temperature Sensor Failure
DTC 14 Solar Load Sensor Failure
DTC 32 Data Link Failure - Universal Asynchronous Receiver Transmitter (UART)
DTC 40 Air Mix Motor Failure
Note: A sensor failure implies an open or short circuit of that sensor input to the control assemble. The default values should be:
In Car Sensor = 75°F 128 Counts
Ambient Sensor = 56°F 128 Counts
Solar Sensor = Full Dark 240 Counts
Vehicle Speed = 25 mph
Coolant Temp. = 195°F/90°C
Engine Running (rpm = 800)
Maximum Mix Door Position = 180 (Cold)
Minimum Mix Door Position = 60 (Hot)