Step | Action | Yes | No |
|---|---|---|---|
1 | Did you perform the Diagnostic System Check - Power Seat Systems? | Go to Step 2 | |
2 | Verify that the heated Seat Switch Low Indicator Inoperative complaint is present. Does the LO LED indicator of the heated seat switch operate as described in the Heated Seats Circuit description? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Turn ON the ignition, with the engine OFF. Is the LO LED of the heated seat switch always on? | Go to Step 9 | Go to Step 4 |
4 | Turn ON the heated seat to the high heat position. Does the LO LED of the heated seat switch illuminate? | Go to Step 8 | Go to Step 5 |
5 |
Does the LO LED of the heated seat switch illuminate? | Go to Step 6 | Go to Step 11 |
6 | Test the low heat LED feed circuit between the heated seat switch and the door module for a short to ground, a high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems Did you find and correct the condition? | Go to Step 14 | Go to Step 7 |
7 | Test the heated seat status signal circuit between the rear integration module and the heated seat module for a short to battery voltage or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 14 | Go to Step 10 |
8 | Test the heated seat status signal circuit between the rear integration module and the heated seat module for a short to ground. Refer to Circuit Testing Wiring Repairs and in Wiring Systems. Did you find and correct the condition? | Go to Step 14 | Go to Step 10 |
9 | Test the low heat LED feed circuit between the heated seat switch and the door module 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 14 | Go to Step 10 |
10 | Inspect the for poor connections at the harness connector of the door control module. 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 14 | Go to Step 12 |
11 | Inspect the for poor connections at the harness connector of the heated seat switch. 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 14 | Go to Step 13 |
12 | Replace the door control module. Refer to Door Control Module Replacement in Doors. Did you complete the replacement? | Go to Step 14 | -- |
13 | Replace the heated seat switch. Refer to Heated Seat Switch Replacement . Did you complete the replacement? | Go to Step 14 | -- |
14 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
