Step
| Action
| Value(s)
| Yes
| No
|
Important:
This diagnostic table assumes the power seat portion functions properly. Refer
to
Power Seat Inoperative
.
|
1
|
- Remove the memory seat switch from door panel.
- Using a J 39200
digital
multi-meter (DMM) measure the voltage on CKT 2140 (ORN) cavity H.
Does the J 39200
DMM read within the specified range?
| 11-14V
| Go to
Step 2
| Go to
Step 6
|
2
|
- Turn the ignition to on.
- With a J 39200
DMM, measure the voltage on CKT 541 (BRN) cavity G at inline connector C305.
Does the J 39200
DMM read within the specified range?
| 11-14V
| Go to
Step 3
| Go to
Step 7
|
3
|
- Operate the Set, RCL 1 and RCL 2 positions of the memory seat
switch.
- With a J 39200
DMM, measure the voltage at cavities E, F, and G of the memory seat switch
while operating all switch selections.
Does the J 39200
DMM read within the specified range?
| 11-14V
| Go to
Step 4
| Go to
Step 8
|
4
|
- Locate the inline connector C305 at driver seat switch.
- With a J 39200
DMM, measure the voltage at cavities H, J, and K of connector C305 while
operating all memory seat switch selections.
Does the J 39200
DMM read the specified range on the respective circuits?
| 11-14V
| Go to
Step 5
| Go to
Step 9
|
5
| Replace the memory seat module located under the seat cushion.
Is the repair complete?
| --
| Go to
Memory Seats System Check
| --
|
6
|
- Locate and repair open in CKT 2140 (ORN) between the memory seat
switch and the mirror-lock fuse located in the left bussed electrical center
(LBEC).
- If no open is found, test for short to ground refer to
Testing for Short to Ground
in wiring systems.
Is the repair complete?
| --
| Go to
Memory Seats System Check
| --
|
7
| Locate and repair open in CKT 541 (BRN) between the inoperative heated
seat switch and IGN 3 fuse located in the left bussed electrical center LBEC.
If OK, test for short to ground refer to
Testing for Short to Ground
in wiring systems.
Is the repair complete?
| --
| Go to
Memory Seats System Check
| --
|
8
| Replace the memory seat switch.
Is the repair complete?
| --
| Go to
Memory Seats System Check
| --
|
9
|
- Ensure the memory seat switch is disconnected.
- Disconnect the inline connector C305 at driver seat.
- With a J 39200
DMM, measure the continuity on CKTs 614 (ORN), 615 (WHT) and 616 (PPL) between
the memory seat switch and connector C305.
Is continuity present on the respective circuits?
| --
| Go to
Step 8
| Go to
Step 10
|
10
| Locate and repair short to ground on circuits 614, 615
or 616 respectively.
Is the repair complete?
| --
| Go to
Memory Seats System Check
| --
|
