Heated Seat Always On - Rear
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Heated Seat Always On - Rear
| Step | Action | Values | Yes | No |
|---|---|---|---|---|
| Schematic Reference: Heated/Cooled Seat Schematics Connector End View Reference: Heated/Cooled Seat Connector End Views |
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| 1 | Did you review the Heated Seats Description and Operation and perform the necessary inspections? | - | Go to Step 2 | Go to |
| 2 | Operate the rear heated seat system. Does the system operate normally? |
- | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 |
|
- | Go to Step 4 | Go to Step 11 |
| 4 | Connect a test lamp test from the battery voltage supply circuit terminal in the heated seat control module harness connector to ground. Does the test lamp illuminate? |
- | Go to Step 5 | Go to Step 12 |
| 5 | Connect a test lamp from battery voltage to the ground circuit terminal in the heated seat control module harness connector. Does the test lamp illuminate? |
- | Go to Step 6 | Go to Step 13 |
| 6 |
|
- | Go to Step 7 | Go to Step 14 |
| 7 | Connect a fused jumper wire from battery voltage to the high indicator control circuit terminal in the heated seat control module harness connector. Does the heated seat switch high indicator illuminate? |
- | Go to Step 8 | Go to Step 16 |
| 8 | Connect a fused jumper wire from battery voltage to the low indicator control circuit terminal in the heated seat control module harness connector. Does the heated seat switch low indicator illuminate? |
- | Go to Step 9 | Go to Step 17 |
| 9 | Test the resistance through the heated seat thermistor from the heated seat control module harness connector. Refer to Circuit Testing
. Is the resistance within the specified values? |
7K-12K Ω | Go to Step 10 | Go to Step 18 |
| 10 | Test the resistance through the seat cushion heater element from the heated seat control module harness connector. Is the resistance less than the specified value? |
5 Ω | Go to Step 23 | Go to Step 18 |
| 11 | Repair the ignition voltage supply circuit to the heated seat control module for an open or short to ground. Refer to Wiring Repairs
and to Connector Repairs
. Is the repair complete? |
- | Go to Step 25 | - |
| 12 | Repair the battery voltage supply circuit to the heated seat control module for an open or short to ground. Refer to Wiring Repairs
and to Connector Repairs
. Is the repair complete? |
- | Go to Step 25 | - |
| 13 | Repair the heated seat control module ground circuit for an open or high resistance. Refer to Wiring Repairs
and to Connector Repairs
. Is the repair complete? |
- | Go to Step 25 | - |
| 14 |
|
- | Go to Step 25 | Go to Step 15 |
| 15 | Test the heated seat switch ground circuit for an open or high resistance. Refer to Circuit Testing
. Did you find and correct the condition? |
- | Go to Step 25 | Go to Step 19 |
| 16 |
|
- | Go to Step 25 | Go to Step 19 |
| 17 |
|
- | Go to Step 25 | Go to Step 19 |
| 18 |
|
- | Go to Step 25 | Go to Step 21 |
| 19 | Inspect for poor connections at the heated seat switch. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 25 | Go to Step 20 |
| 20 | Replace the heated seat switch. Refer to Heated Seat Switch Replacement - Rear . Is the repair complete? |
- | Go to Step 25 | - |
| 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
. Did you find and correct the condition? |
- | Go to Step 25 | Go to Step 22 |
| 22 | Replace the seat cushion heater element. Refer to Rear Seat Cushion Heater Replacement . Is the repair complete? |
- | Go to Step 25 | - |
| 23 | Inspect for poor connections at the heated seat control module. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
. Did you find and correct the condition? |
- | Go to Step 25 | Go to Step 24 |
| 24 | Replace the heated seat control module. Is the repair complete? |
- | Go to Step 25 | - |
| 25 | Operate the system in order to verify the repair. Did you correct the condition? |
- | System OK | Go to Step 3 |