GM Service Manual Online
For 1990-2009 cars only

Heated Seat Always On Monte Carlo

Step

Action

Yes

No

Schematic Reference: Heated Seats Schematics

Connector End View Reference: Power Seat Connector End Views

1

Did you perform the Power Seat Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Power Seat Systems

2

Do the high or low heated seat switch indicators remain illuminated with the switch in the off position?

Go to Step 4

Go to Step 3

3

Test and repair the seat heater element supply circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 6

Go to Step 5

4

Replace the heated seat switch. Refer to Front Seat Heater Switch Replacement .

Is the repair complete?

Go to Step 6

--

5

Replace the heated seat control module. Refer to Front Seat Heater Control Module Replacement .

Is the repair complete?

Go to Step 6

--

6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2

Heated Seat Always On Impala

Step

Action

Yes

No

Schematic Reference: Heated Seats Schematics

Connector End View Reference: Power Seat Connector End Views

1

Did you perform the Power Seat Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Power Seat Systems

2

  1. Disconnect the heated seat control module.
  2. Connect a test lamp from the heated seat switch signal circuit terminal in the harness connector to ground.
  3. Verify that the heated seat switch is in the off position.

Does the test lamp illuminate?

Go to Step 4

Go to Step 3

3

Test and repair the seat heater element supply circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 6

Go to Step 5

4

Replace the heated seat switch. Refer to Front Seat Heater Switch Replacement .

Is the repair complete?

Go to Step 6

--

5

Replace the heated seat control module. Refer to Front Seat Heater Control Module Replacement .

Is the repair complete?

Go to Step 6

--

6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2