Test Description

WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

7: If the fuse in the jumper wire opens when you perform this test, the signal circuit is shorted to ground.
8: If the fuse in the jumper wire opens when you perform this test, the signal circuit is shorted to ground.

Memory Seat Feature Inoperative

Step	Action	Yes	No
Schematic Reference: Driver Seat Schematics 148821 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
2	Verify that the Memory Seat Feature Inoperative complaint is present. Does the memory seat system operate as described in the system description and operation?	Go to Testing for Intermittent Conditions and Poor Connections	Go to Step 3
3	With a scan tool, observe the Memory Switch parameter. Press the memory 1 button. Does the scan tool display Memory 1?	Go to Step 4	Go to Step 6
4	With a scan tool, observe the Memory Switch parameter. Press the memory 2 button. Does the scan tool display Memory 2?	Go to Step 5	Go to Step 8
5	With a scan tool, observe the Memory Switch parameter. Press the Exit button. Does the scan tool display Exit?	Go to Step 12	Go to Step 11
6	Connect a test lamp from the battery positive voltage circuit of the memory function switch to a good ground. Dose the test lamp illuminate?	Go to Step 7	Go to Step 13
7	Disconnect the memory function switch harness connector. Connect a 3-amp fused jumper wire between the battery positive voltage circuit of the switch harness connector and the memory 1 switch signal circuit of the harness connector. With a scan tool, observe the Memory Switch parameter. Does the scan tool display Memory 1?	Go to Step 11	Go to Step 9
8	Disconnect the memory function switch harness connector. Connect a 3-amp fused jumper wire between the battery positive voltage circuit of the switch harness connector and the memory 2 switch signal circuit of the switch harness connector. With a scan tool, observe the Memory Switch parameter. Does the scan tool display Memory 2?	Go to Step 11	Go to Step 10
9	Test the memory 1 switch signal circuit between the memory function switch and the memory seat module (MSM) for an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?	Go to Step 16	Go to Step 12
10	Test the memory 2 switch signal circuit between the memory function switch and the MSM for an open. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition?	Go to Step 16	Go to Step 12
11	Inspect for poor connections at the harness connector of the memory function switch. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs . Did you find and correct the condition?	Go to Step 16	Go to Step 14
12	Inspect for poor connections at the harness connector of the MSM. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs . Did you find and correct the condition?	Go to Step 16	Go to Step 15
13	Repair the open in the battery positive voltage circuit of the memory function switch. Refer to Wiring Repairs . Did you complete the repair?	Go to Step 16	-
14	Replace the memory function switch. Did you complete the replacement?	Go to Step 16	-
15	Replace the MSM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement?	Go to Step 16	-
16	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2