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Last Modified: 11-29-2007 |
1.6 J |
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Service Category: Vehicle Interior |
Section: Seat |
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Model Year: 2008 |
Model: Sequoia |
Doc ID: RM000001YWZ005X |
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Title: SEAT: REAR POWER SEAT CONTROL SYSTEM: DESCRIPTION (2008 Sequoia) |
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Rear Power Seat Switch Circuit
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DESCRIPTION
When the rear power seat switch is operated, a recline signal is sent to the fold seat control ECU. The ECU activates the power seat motor based on the signal from the rear power seat switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
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1.
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CHECK FOLD SEAT CONTROL ECU (INPUT SIGNAL)
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(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
LH side
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Tester Connection
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Condition
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Specified Condition
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O34-12 (RCLF) - Body ground
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Always
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11 to 14 V
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Rear power seat switch LH forward
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Below 1 V
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O34-13 (RCLR) - Body ground
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Always
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11 to 14 V
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Rear power seat switch LH backward
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Below 1 V
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RH side
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Tester Connection
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Condition
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Specified Condition
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P20-12 (RCLF) - Body ground
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Always
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11 to 14 V
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Rear power seat switch RH forward
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Below 1 V
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P20-13 (RCLR) - Body ground
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Always
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11 to 14 V
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Rear power seat switch RH backward
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Below 1 V
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| OK |
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2.
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INSPECT REAR POWER SEAT SWITCH
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(a) Remove the rear power seat switch
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(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
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Tester Connection
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Condition
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Specified Condition
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4 (FWD) - 6 (E)
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Always
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10 kΩ or higher
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Rear power seat switch forward
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Below 1 Ω
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5 (BACK) - 6 (E)
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Always
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10 kΩ or higher
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Rear power seat switch backward
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Below 1 Ω
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| OK |
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3.
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CHECK HARNESS AND CONNECTOR (FOLD SEAT CONTROL ECU - REAR POWER SEAT SWITCH)
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(a) Disconnect the O34 or P20 ECU connector.
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(b) Disconnect the O29 or P13 switch connector.
(c) Disconnect the connector from the folding motor.
(d) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
LH Side
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Tester Connection
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Condition
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Specified Condition
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O34-12 (RCLF) - O29-4 (FWD)
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Always
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Below 1 Ω
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O34-12 (RCLF) - Body ground
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Always
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10 kΩ or higher
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O34-13 (RCLR) - O29-5 (BACK)
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Always
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Below 1 Ω
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O34-13 (RCLR) - Body ground
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Always
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10 kΩ or higher
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RH Side
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Tester Connection
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Condition
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Specified Condition
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P20-12 (RCLF) - P13-4 (FWD)
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Always
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Below 1 Ω
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P20-12 (RCLF) - Body ground
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Always
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10 kΩ or higher
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P20-13 (RCLR) - P13-5 (BACK)
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Always
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Below 1 Ω
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P20-13 (RCLR) - Body ground
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Always
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10 kΩ or higher
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| OK |
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