The number below refers to the step number on the diagnostic table.
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
Schematic Reference: Driver Seat Schematics or Passenger Seat Schematics Connector End View Reference: Power Seat Connector End Views | ||||
1 | Did you perform the Diagnostic System Check - Vehicle? | -- | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 | Verify that the Heated/Cooled Seat Inoperative - Back Only Mode complaint is present. Does the seat back only mode operate as described in the Heated/Cooled Seats Description and Operation? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Does the Back Only Switch parameter change state? | -- | Go to Step 8 | Go to Step 4 |
4 |
Does the Seat Back Heat Mode Switch parameter change state? | -- | Go to Step 7 | Go to Step 5 |
Test the seat back heat mode switch signal circuit between the heated/cooled seat switch and the door control module for 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 12 | Go to Step 6 | |
6 | Inspect 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 12 | Go to Step 9 |
7 | Inspect for poor connections at the harness connector of the heated/cooled 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 12 | Go to Step 10 |
8 | Inspect for poor connections at the harness connector of the climate control seat 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 12 | Go to Step 11 |
9 | Replace the door control module. Refer to Door Control Module Replacement in Doors. Did you complete the replacement? | -- | Go to Step 12 | -- |
10 | Replace the heated/cooled seat switch. Refer to Heated and Cooled Seat Switch Replacement . Did you complete the replacement? | -- | Go to Step 12 | -- |
11 | Replace the climate control seat module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | -- | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |