GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Thermo Cooler/Cupholder Schematics

Connector End View Reference: Inline Harness Connector End Views

1

Are both the hot and cold modes inoperative on the thermo cupholder?

Go to Step 2

Go to Step 4

2

Test the thermo cupholder power feed circuit for a short to voltage, short to ground, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 6

Go to Step 3

3

Inspect for poor connections at the harness connector at the thermo cupholder and at the inline connector on the console harness. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 6

Go to Step 5

4

Replace the thermo cupholder switch. Refer to Switch Replacement - Hot and Cold Cupholder .

Did you complete the replacement?

Go to Step 6

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5

Replace the thermo cupholder. Refer to Cupholder Replacement .

Did you complete the replacement?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 1