Lumbar Support Does Not Move In or Out Lumbar or Bolster
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the system operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms - Seats |
2 | Attempt to operate both the lumbar support and the bolster support. Do both the lumbar support and the bolster support operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Connect a test lamp between C310 terminal A and ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | Go to Step 4 | Go to Step 5 |
4 | Connect a test lamp between terminals A and B of C310. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | Go to Step 6 | Go to Step 7 |
5 | Repair a poor connection or an open in the battery voltage circuit of the lumbar adjuster switch. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 12 | -- |
6 | Connect a test lamp between the power seat cushion air control module connector C1 terminal A and ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate? | -- | Go to Step 8 | Go to Step 9 |
7 | Repair a poor connection or an open in the ground circuit of the power seat cushion air control module and the power seat switch. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 12 | -- |
8 |
Does the test lamp illuminate? | -- | Go to Step 10 | Go to Step 11 |
9 | Repair a poor connection or an open in the battery voltage circuit of the power seat cushion air control module. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 12 | -- |
10 | Replace the power seat cushion air control module. Did you complete the replacement? | -- | Go to Step 12 | -- |
11 | Repair a poor connection or an open in the ground circuit of the power seat cushion air control module. Refer to Wiring Repairs or Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
