Schematic Reference: Memory Seats Schematics

1

Did you perform the Diagnostic System Check -Power Seat Systems?

Go to Step 2

Go to Diagnostic System Check - Power Seat Systems

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 in Wiring Systems

Go to Step 3

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, observe the Memory Recall Switches parameter in the Memory Mirror Module data list.
4. Press the memory 1 button.

Does the scan tool display Memory 1?

Go to Step 4

Go to Step 7

1. With a scan tool, observe the Memory Recall Switches parameter.
2. Press the memory 2 button.

Does the scan tool display Memory 2?

Go to Step 5

Go to Step 9

1. With a scan tool, observe the Memory Recall Switches parameter.
2. Press the SET button.

Does the scan tool display Set?

Go to Step 6

Go to Step 10

1. With a scan tool, observe the Memory Recall Switches parameter.
2. Press the EXIT button.

Does the scan tool display Exit?

Go to Step 16

Go to Step 11

7

1. Disconnect the memory function switch harness connector.
2. Connect a 3-amp fused jumper wire from the memory 1 switch signal circuit of the switch harness connector to a good ground.
3. With a scan tool, observe the Memory Recall Switches parameter.

Does the scan tool display Memory 1?

Go to Step 8

Go to Step 12

1. Connect a 3-amp fused jumper wire between the memory 1 switch signal circuit of the memory function switch connector and the ground circuit of the memory function switch connector.
2. With a scan tool, observe the Memory Recall Switches parameter.

Does the scan tool display Memory 1?

Go to Step 19

Go to Step 21

9

1. Disconnect the memory function switch harness connector.
2. Connect a 3-amp fused jumper wire from the memory 2 switch signal circuit of the memory function switch connector to a good ground.
3. With a scan tool, observe the Memory Recall Switches parameter.

Does the scan tool display Memory 2?

Go to Step 19

Go to Step 13

10

1. Disconnect the memory function switch harness connector.
2. Connect a 3-amp fused jumper wire from the memory seat set switch signal circuit of the memory function switch connector to a good ground.
3. With a scan tool, observe the Memory Recall Switches parameter.

Does the scan tool display Set?

Go to Step 19

Go to Step 14

11

1. Disconnect the memory function switch harness connector.
2. Connect a 3-amp fused jumper wire from the memory seat exit switch signal circuit of the memory function switch connector to a good ground.
3. With a scan tool, observe the Memory Recall Switches parameter.

Does the scan tool display Exit?

Go to Step 19

Go to Step 15

Test the memory 1 switch signal circuit of the memory mirror module for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 25

Go to Step 18

Test the memory 2 switch signal circuit of the memory mirror module for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 25

Go to Step 18

Test the memory set switch signal circuit of the memory mirror module for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 25

Go to Step 18

Test the memory exit switch signal circuit of the memory mirror module for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 25

Go to Step 18

Test the memory seat sensor low reference circuit between the memory seat module and the appropriate seat position sensor(s) for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 25

Go to Step 17

Test the 5 volt reference circuit between the memory seat module and the appropriate seat position sensor(s) for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 25

Go to Step 20

Inspect for poor connections at the harness connector of the memory mirror module. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 25

Go to Step 22

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 in Wiring Systems.

Did you find and correct the condition?

Go to Step 25

Go to Step 23

Inspect for poor connections at the harness connector of the memory seat module. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 25

Go to Step 24

Repair the open in the ground circuit of the memory function switch. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 25

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Replace the memory mirror module. Refer to Memory Mirror Module Replacement in Doors.

Did you complete the replacement?

Go to Step 25

--

Replace the memory function switch. Refer to Front Side Door Window Switch Replacement in Doors.

Did you complete the replacement?

Go to Step 25

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Replace the memory seat module. Refer to Memory Seat Control Module Replacement .

Did you complete the replacement?

Go to Step 25

--

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2