B2650

SEAT: FRONT POWER SEAT CONTROL SYSTEM: B2650: Slide Sensor Malfunction
B2650 - Slide Sensor Malfunction

DESCRIPTION

When the front power seat switch does not receive a sensor signal despite forward or backward movement of the seat by power seat motor operation, this DTC is stored.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. PERFORM ACTIVE TEST USING TECHSTREAM (POWER SEAT MOTOR FUNCTION)

(a) Select the Active Test, use the Techstream to generate a control command, and then check the power seat motor function Scan Tool Testing and Procedures.

Driver Seat





OK:

Motor operates normally.

NG -- INSPECT SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY LH (SLIDE MOTOR)
OK -- Continue to next step.

2. CHECK FRONT POWER SEAT SWITCH LH (SLIDE MOTOR CIRCUIT)

(a) Disconnect the b1 motor connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





NG -- CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - SLIDE MOTOR)
OK -- Continue to next step.

3. CHECK SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY LH (SLIDE MOTOR)

(a) Connect the b1 motor connector.





(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:





Text in Illustration





NG -- REPLACE SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY LH (SLIDE MOTOR) Disassembly

OK -- REPLACE FRONT POWER SEAT SWITCH LH Disassembly

4. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - SLIDE MOTOR)

(a) Disconnect the b5 switch connector.

(b) Disconnect the b1 motor connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE FRONT POWER SEAT SWITCH LH Disassembly

5. INSPECT SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY LH (SLIDE MOTOR)

(a) Remove the separate type front seat cushion spring assembly LH (slide motor) Disassembly.





(b) Check if the seat cushion spring moves smoothly when the battery is connected to the slide motor connector terminals.

OK:





NG -- REPLACE SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY LH (SLIDE MOTOR) Disassembly
OK -- Continue to next step.

6. CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH - SLIDE MOTOR)

(a) Disconnect the b4 switch connector.

(b) Disconnect the b1 motor connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE FRONT POWER SEAT SWITCH LH Disassembly