Test Description
The numbers below refer to the step numbers on the diagnostic table.
- 2: This step determines if the heated/memory seat switch illumination circuit is the cause for DTC B1017 setting.
- 3: This step determines if the mirror heating element supply voltage circuit is the cause for DTC B1017 setting.
- 4: This step eliminates the possibility that the heated/memory seat switch is internally shorted to ground.
DTC B1017 or B3970 (Driver Door Module - DDM): Output Driver Module Performance
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Outside Mirror Schematics and Interior Lights Dimming Schematics Connector End View Reference: Power Door Systems 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 |
|
Go to Step 4 | Go to Step 3 |
| 3 | Activate the rear window defogger system. Does B1017 set as a current DTC? |
Go to Step 5 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
| 4 |
|
Go to Step 5 | Go to Step 6 |
| 5 | Inspect for poor connections at the harness connector of the driver door module (DDM). 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 9 | Go to Step 7 |
| 6 | Inspect for poor connections at the harness connector of the heated/memory 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 9 | Go to Step 8 |
| 7 | Replace the DDM. Refer to Control Module References
in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? |
Go to Step 9 | - |
| 8 | Replace the memory seat switch. Refer to Memory Seat Switch Replacement
in Seats. Did you complete the replacement? |
Go to Step 9 | - |
| 9 |
|
Go to Step 2 | System OK |