The HVAC control module will run a self diagnostic test at ignition ON. This test ensure the modules ability to operate. No external circuits are involved.
• | Source voltage is 8.7-16.5 volts. |
• | The HVAC control module receives an ignition 3 voltage input. |
The HVAC control module detects an internal system failure.
The HVAC control module refuses all additional inputs.
The Diagnostic Trouble Code (DTC) Clearing must be performed.
Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: HVAC Schematics Connector End View Reference: HVAC Connector End Views | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Did DTC 010 reset? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 | Replace the HVAC control module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 4 | -- |
4 | Operate the vehicle within the Conditions for Running the DTC, as specified in the supporting text. Does the DTC reset? | Go to Step 2 | System OK |