Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Power Seat Systems Diagnostic System Check? | -- | Go to Step 2 | |
2 | Verify that the heated seat is inoperative. Does the heated seat operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Test the Seat Heater Module battery feed circuit for voltage. Refer to Circuit Testing in wiring systems. Is the specified voltage present? | B+ | Go to Step 4 | Go to Step 7 |
4 | Test between the Seat Heater Module battery feed circuit and ground circuit for voltage. Refer to Circuit Testing in wiring systems. Is the specified voltage present? | B+ | Go to Step 5 | Go to Step 8 |
5 |
Is voltage present? | -- | Go to Step 9 | Go to Step 6 |
6 | Locate and repair an open or short to ground in the Seat Heater Module control circuit or the Lumbar Switch ignition feed circuit. Refer to Circuit Testing and Wiring Repairs in wiring systems. Did you find and correct the condition? | -- | Go to Step 11 | Go to Step 10 |
7 | Locate and repair an open or short to ground in the Seat Heater Module battery feed circuit. Refer to Circuit Testing and Wiring Repairs in wiring systems. Is the repair complete? | -- | Go to Step 11 | -- |
8 | Locate and repair an open in the Seat Heater Module ground circuit. Refer to Circuit Testing and Wiring Repairs in wiring systems. Is the repair complete? | -- | Go to Step 11 | -- |
9 | Replace the seat heater module. Refer to Seat Cushion Trim Cover and Pad Replacement and Seat Back Cover and Pad Replacement . Is the repair complete? | -- | Go to Step 11 | -- |
10 | Replace the lumbar switch. Refer to Lumbar Switch Replacement . Is the repair complete? | -- | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
