| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Vehicle Interior | Section: Seat | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000002RB1007X |
| Title: SEAT: FRONT POWER SEAT CONTROL SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Front Power Seat does not Operate with Front Power Seat Switch |
DESCRIPTION
When a signal is input into the position control ECU, the ECU manages the signals received from the front power seat switch LH, and operates each motor. When 2 or more signals are input, the motors only operate when the signals are from the slide switch and reclining switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
INSPECT FUSE (FR P/SEAT LH, ECU-B2) |
(a) Remove the FR P/SEAT LH and ECU-B2 fuses from the main body ECU.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
FR P/SEAT LH fuse |
Always |
Below 1 Ω |
|
ECU-B2 fuse |
Always |
Below 1 Ω |
|
|
2. |
CHECK HARNESS AND CONNECTOR (POSITION CONTROL ECU AND SWITCH - BATTERY AND BODY GROUND) |
(a) Disconnect the c14 and c15 switch connectors.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
c14-5 (+B) - Body ground |
Always |
11 to 14 V |
|
c15-8 (SYSB) - Body ground |
Always |
11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
c14-1 (GND) - Body ground |
Always |
Below 1 Ω |
|
|
|