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Memory Seat Feature Inoperative

Memory Seat Feature Inoperative

Step Action Values Yes No
Schematic Reference:  Memory Seats Schematics  
Connector End View Reference:  Power Seat Systems Connector End Views  
DEFINITION: One of more of the memory recall functions are inoperative.
1 Did you perform the Power Seat Diagnostic System Check? - Go to Step 2  Go to Diagnostic System Check - Power Seat Systems 
2 Attempt to set and recall memory 1, and memory 2, seat position settings.
Does the system operate normally?		 - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Install a scan tool.
  2. Observe the memory switch parameters in the driver seat module data list.
  3. Press the memory 1 switch.
Does the scan tool indicate the memory 1 switch is active only while the switch is pressed?		 - Go to Step 4  Go to Step 6 
4 Press the memory 2 switch.
Does the scan tool indicate the memory 2 switch is active only while the switch is pressed?		 - Go to Step 5  Go to Step 7 
5 Press the set switch.
Does the scan tool indicate the set switch is active only while the switch is pressed?		 - Go to Step 11  Go to Step 8 
6
  1. Disconnect the driver seat module connector C2.
  2. Using a DMM test the resistance through the memory switch from the voltage supply circuit terminal to the memory 1 switch signal circuit terminal in the harness connector. Refer to Circuit Testing in Wiring Systems.
  3. Press the memory 1 switch.
Is the resistance less than the specified value only while the switch is pressed?		 0.5 Ω Go to Step 11  Go to Step 10 
7
  1. Disconnect the driver seat module connector C2.
  2. Using a DMM test the resistance through the memory switch from the voltage supply circuit terminal to the memory 2 switch signal circuit terminal in the harness connector. Refer to Circuit Testing in Wiring Systems.
  3. Press the memory 2 switch.
Is the resistance less than the specified value only while the switch is pressed?		 0.5 Ω Go to Step 11  Go to Step 10 
8
  1. Disconnect the driver seat module connector C2.
  2. Using a DMM test the resistance through the memory switch from the voltage supply circuit terminal to the memory set switch signal circuit terminal in the harness connector. Refer to Circuit Testing in Wiring Systems.
  3. Press the set switch.
Is the resistance less than the specified value only while the switch is pressed?		 0.5 Ω Go to Step 9  Go to Step 10 
9 Test the affected memory switch signal circuit for the following conditions:
  1. Short to ground
  2. Short to voltage
  3. Open

Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 12  Go to Step 11 
10 Inspect for poor connections at the memory switch connector. 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 14  Go to Step 12 
11 Inspect for poor connections at 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 14  Go to Step 13 
12 Replace the memory switch.
Did you complete the replacement?		 - Go to Step 14  -
13 Replace the driver seat module. Refer to Memory Seat Control Module Replacement .
Did you complete the replacement?		 - Go to Step 14  -
14 Operate the memory seat system to verify the repair.
Did you correct the condition?		 - System OK Go to Step 2 
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