HVAC System - Automatic

Diagnostic Trouble Code Chart (Part 1 Of 2):

Diagnostic Trouble Code Chart (Part 2 Of 2):

Wiring Schematics:

CIRCUIT DESCRIPTION
The passenger temperature control assembly receives voltage signals from the HVAC programmer. The signal voltage will vary from 5 volts (open circuit) to 0 volts (short circuit).

CONDITIONS FOR SETTING THE DTC
^ The ignition is on.
^ The circuit is open or shorted.

ACTION TAKEN WHEN THE DTC SETS
Code 034 is set.

CONDITIONS FOR CLEARING THE DTC
^ Using a Scan Tool.
^ A history DTC will clear when 40 consecutive ignition cycles have occurred without a malfunction.
^ HVAC programmer battery voltage is interrupted.

TEST DESCRIPTION
1 4. Determines if the passenger control assembly is operating properly.
1 5. Determines if the passenger control assembly is operating properly.