GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Tracker - 2WD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Condenser Fan Always On

Step

Action

Yes

No

The powertrain control module (PCM) will initiate condenser fan operation when any one of the following conditions are met:

    • The engine coolant temperature (ECT) is 110°C (230°F) or higher. Connect a scan tool in order to determine ECT. Refer to Engine Overheating in Engine Cooling.
    • The PCM detects an ECT sensor malfunction. Refer to the following in Engine Controls 1.6 L:
    • Refer to the following in Engine Controls 2.0 L:
    • The A/C system is operating.

1

Did you review the HVAC Compressor/Condenser Fan Circuit Description and perform the necessary inspections?

Go to Step 2

Go to Diagnostic Starting Point - HVAC Systems - Manual

2
  1. Start the engine.
  2. Turn the A/C switch to the OFF position.

Does the A/C condenser fan stop?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Disconnect the A/C condenser fan relay connector.

Does the A/C condenser fan stop?

Go to Step 5

Go to Step 4

4

Repair the short to voltage in the RED/BLU wire between the A/C condenser fan relay and the A/C condenser fan. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

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5

Test for a short to ground in the YEL/BLU wire between the A/C condenser fan relay and the powertrain control module (PCM).

Does a short to ground exist?

Go to Step 6

Go to Step 7

6

Repair the short to ground in the YEL/BLU wire between the A/C condenser fan relay and the PCM. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 8

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7

Replace the A/C condenser fan relay. Refer to Condenser Fan Relay Replacement .

Is the repair complete?

Go to Step 8

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8

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3