Door Open Linked Return Operation Does Not Occur
SEAT: REAR POWER SEAT CONTROL SYSTEM: Door Open Linked Return Operation does not Occur
- Door Open Linked Return Operation does not Occur
DESCRIPTION
With the engine switch on (IG) and the seat memory switch cancel indicator off, when the position control ECU receives a rear door courtesy light switch signal, the following occurs: 1) the slide motor and upper lumbar motor are moved to the rearmost position; 2) the reclining motor* is moved to the foremost position; and 3) the ottoman motor* is moved to the lowermost position.
HINT
*: w/ Ottoman
INSPECTION PROCEDURE
PROCEDURE
1. CHECK REAR POWER SEAT CONTROL FUNCTION
(a) Operate the rear power seat switch and check that each power seat function operates normally.
OK:
Each function operates normally.
NG -- GO TO PROBLEM SYMPTOMS TABLE Problem Symptoms Table
OK -- Continue to next step.
2. CHECK REAR SEAT MEMORY FUNCTION
(a) Check if the rear seat memory function operates normally.
OK:
Memory function operates normally.
NG -- GO TO PROBLEM SYMPTOMS TABLE Problem Symptoms Table
OK -- Continue to next step.
3. READ VALUE USING TECHSTREAM (SEAT ECU)
(a) Check the Data List for proper functioning of the seat ECU.
Rear Left Seat
Rear Right Seat
OK:
On screen, each item changes between ON and OFF according to above chart.
Result
D -- GO TO LIGHTING SYSTEM Problem Symptoms Table
C -- REPLACE POSITION CONTROL ECU RH Disassembly
B -- REPLACE POSITION CONTROL ECU RH Disassembly
A -- REPLACE POSITION CONTROL ECU LH Disassembly