Test Description
The numbers below refer to the step numbers on the diagnostic table. See DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, B1820, B1830, B1835, B1840, B1845, B1940, Or B1945 .
- 2: Verify that the DTC is current or history by monitoring the switch status for which the code is set.
- 3: Tests the seat adjuster switch for an internal fault.
DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, B1820, B1830, B1835, B1840, B1845, B1940, Or B1945
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Memory Seats Schematics , Lumbar Support Schematics Connector End View Reference: Power Seat Systems Connector End Views |
|||
| 1 | Did you perform the Power Seat Systems Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Power Seat Systems |
| 2 |
|
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 |
|
Go to Step 5 | Go to Step 4 |
| 4 | Test the switch signal circuit for a short to voltage. Refer to Circuit Testing
and to Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 6 |
| 5 | Inspect for poor connections at the harness connector of the seat adjuster switch. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 7 |
| 6 | Inspect for poor connections at the harness connector of the driver seat module. Refer to Testing for Intermittent Conditions and Poor Connections
and to Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 9 | Go to Step 8 |
| 7 | Replace the seat adjuster switch. Refer to Seat Switch Replacement - Power or Lumbar Switch Replacement . Did you complete the replacement? |
Go to Step 9 | - |
| 8 | Replace the driver seat module. Refer to Memory Seat Control Module Replacement . Did you complete the replacement? |
Go to Step 9 | - |
| 9 |
|
Go to Step 2 | System OK |