Heated Seat Inoperative
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Heated Seat Inoperative
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Heated Seats Schematics Connector End View Reference: Power Seat Systems Connector End Views |
||||
| 1 | Did you review the Heated Seat System Description and Operation and perform the necessary inspections? | - | Go to Step 2 | Go to Symptoms - Seats |
| 2 |
|
- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Does the heated seat switch indicator operate normally? | - | Go to Step 6 | Go to Step 4 |
| 4 |
|
- | Go to Step 5 | Go to Step 15 |
| 5 | Connect a test lamp from the ignition voltage supply circuit terminal to the ground circuit terminal in the heated seat switch harness connector. Does the test lamp illuminate? |
- | Go to Step 19 | Go to Step 16 |
| 6 |
|
- | Go to Step 7 | Go to Step 17 |
| 7 | Connect a test lamp from the battery voltage supply circuit terminal to the ground circuit terminal in the heated seat module harness connector. Does the test lamp illuminate? |
- | Go to Step 8 | Go to Step 18 |
| 8 |
|
- | Go to Step 9 | Go to Step 10 |
| 9 |
|
|
Go to Step 12 | Go to Step 11 |
| 10 | Test the heated seat switch signal circuit for an open or high resistance. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 27 | Go to Step 19 |
| 11 | Test the high/low switch signal circuit for the following conditions:
Refer to Circuit Testing and to Wiring Repairs in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 27 | Go to Step 19 |
| 12 |
|
6-12 KΩ | Go to Step 13 | Go to Step 21 |
| 13 | Test the resistance through the seat cushion heater element. Is the resistance within the specified values? |
0.5-2 Ω | Go to Step 14 | Go to Step 21 |
| 14 |
|
0.5-2 Ω | Go to Step 20 | Go to Step 22 |
| 15 | Repair the ignition voltage supply circuit to the heated seat switch for an open or short to ground. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Is the repair complete? |
- | Go to Step 27 | - |
| 16 | Repair the heated seat switch ground circuit for an open or high resistance. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Is the repair complete? |
- | Go to Step 27 | - |
| 17 | Repair the battery voltage supply circuit to the heated seat module for an open or short to ground. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Is the repair complete? |
- | Go to Step 27 | - |
| 18 | Repair the heated seat module ground circuit for an open or high resistance. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Is the repair complete? |
- | Go to Step 27 | - |
| 19 | Inspect for poor connections at the heated seat switch. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 27 | Go to Step 23 |
| 20 | Inspect for poor connections at the heated seat module. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 27 | Go to Step 24 |
| 21 | Inspect for poor connections at the seat cushion heater element connector. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 27 | Go to Step 25 |
| 22 | Inspect for poor connections at the seat back heater element connector. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
- | Go to Step 27 | Go to Step 26 |
| 23 | Replace the heated seat switch. Refer to Heated Seat Switch Replacement - Front (Driver Side) . Is the repair complete? |
- | Go to Step 27 | - |
| 24 | Replace the heated seat module. Refer to Heated Seat Control Module Replacement - Front . Is the repair complete? |
- | Go to Step 27 | - |
| 25 | Replace the seat cushion heater element. Refer to Seat Cushion Heater Element Replacement - Front . Is the repair complete? |
- | Go to Step 27 | - |
| 26 | Replace the seat back heater element. Refer to Seat Back Heater Element Replacement - Front (Non-Fold Flat) or Seat Back Heater Element Replacement - Front (Fold Flat) . Is the repair complete? |
- | Go to Step 27 | - |
| 27 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 2 |