Left Side Air Flow Temperature Does Not Change for Chevrolet Corvette 1997

DEFINITION: Driver's side air flow temperature does not change, no DTCs are set.

1. Disconnect the LH electric actuator connector.
2. Turn the ignition switch to the RUN position.
3. Use a DMM to measure the voltage between terminal 5 of the LH electric actuator connector and ground.

Is the voltage within the specified range?

10.0-14.0V

Go to Step 3

Go to Step 2

Locate and repair an open or a high resistance in CKT 41 between the instrument panel electric center and the LH electric actuator connector.

Is the repair complete?

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Recheck System Operation

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1. Disconnect the HVAC programmer module connector.
2. Connect a fused jumper between terminal 5 and terminal 6 of the LH electric actuator connector.
3. Use a DMM to measure the voltage between terminal C7 of the HVAC programmer module connector and ground.

Is the voltage within the specified range?

10.0-14.0V

Go to Step 5

Go to Step 4

Locate and repair an open or high resistance in CKT 1199. If CKT is OK, replace the HVAC programmer module.

Is the repair complete?

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Recheck System Operation

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Locate and repair an open or a high resistance in CKT 1796. If the CKT is OK, replace the LH electric actuator. Refer to LH Electric Actuator in Automatic Air Conditioning.

Is the replacement complete?

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Recheck System Operation

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