Inspection Procedure
- PERFORM ACTIVE TEST BY INTELLIGENT TESTER OR TECHSTREAM (POWER SEAT MOTOR FUNCTION)
- Select the ACTIVE TEST, use the intelligent tester or Techstream to generate a control command, and then check the power seat motor function.
- Intelligent tester
D-SEAT
INTELLIGENT TESTER - D-SEAT REFERENCETester Display Test Part Control Range CUSHION Seat cushion length operation FRONT/REAR - Techstream
Driver Seat
TECHSTREAM - DRIVER SEAT REFERENCETester Display Test Part Control Range Cushion Length Seat cushion length operation FRONT/REAR OK: Motor operates normally
- Intelligent tester
NG: Go to step 6
OK: GO TO NEXT STEP
- Select the ACTIVE TEST, use the intelligent tester or Techstream to generate a control command, and then check the power seat motor function.
- CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - FRONT POWER SEAT CUSHION POSITION SENSOR LH AND BODY GROUND)
- Disconnect the e46 switch connector.
- Disconnect the e41 sensor connector.
- Measure the resistance according to the values in the table below.
Standard resistance
FRONT POWER SEAT SWITCH LH - FRONT POWER SEAT CUSHION POSITION SENSOR LH AND BODY GROUNDTester Connection Condition Specified Condition e46-8(PVCC) - e41-3 (VCC) Always Below 1 Ω e46-20(SSRC) - e41-1 (O/P) Always Below 1 Ω e46-18(SGND) - e41-2 (GND) Always Below 1 Ω e46-8 (PVCC) - Body ground Always 10 kΩ or higher e46-20 (SSRC) - Body ground Always 10 kΩ or higher e46-18 (SGND) - Body ground Always 10 kΩ or higher
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: GO TO NEXT STEP
- CHECK FRONT SEAT ADJUSTER ASSEMBLY LH (POSITION CONTROL SENSOR)
- Disconnect the e41 sensor connector.
- Measure the voltage according to the values in the table below.
Standard voltage
FRONT SEAT ADJUSTER ASSEMBLY LH (POSITION CONTROL SENSOR)Tester Connection Switch Condition Specified Condition e41-3(VCC) - e41-2 (GND) Cushion switch signal ON 7.2 to 8.8 V
NG: REPLACE FRONT POWER SEAT SWITCH LH (See REMOVAL )
OK: GO TO NEXT STEP
- CHECK FRONT SEAT ADJUSTER ASSEMBLY LH (POSITION CONTROL SENSOR)
- Reconnect the e41 sensor connector.
- Measure the voltage according to the value in the table below.
Standard voltage
FRONT SEAT ADJUSTER ASSEMBLY LH (POSITION CONTROL SENSOR)Tester Connection Switch Condition Specified Condition e41-1 (O/P) - Body ground Cushion switch signal ON 0 to 8V
NG: REPLACE FRONT SEAT ADJUSTER ASSEMBLY LH (See REMOVAL )
OK: GO TO NEXT STEP
- CHECK FOR DTC
- Clear the DTC (see DTC CHECK / CLEAR ).
- Recheck the DTC.
OK: DTC B2655 is not output.
NG: REPLACE FRONT POWER SEAT SWITCH LH (See REMOVAL )
OK: END (SYSTEM RETURNS TO NORMAL)
- CHECK FRONT SEAT ADJUSTER ASSEMBLY LH (POWER SEAT MOTOR)
- Check operation of the seat frame (cushion motor).
- Check if the seat adjuster moves smoothly when the battery is connected to the cushion motor connector terminals.
OK
FRONT SEAT ADJUSTER ASSEMBLY LH (POWER SEAT MOTOR)Measurement Condition Operational Direction Battery positive (+) → 1
Battery negative (-) → 2Forward Battery positive (+) → 2
Battery negative (-) → 1Backward
- Check if the seat adjuster moves smoothly when the battery is connected to the cushion motor connector terminals.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE FRONT SEAT ADJUSTER ASSEMBLY LH (See REMOVAL )
OK: GO TO NEXT STEP
- Check operation of the seat frame (cushion motor).
- CHECK HARNESS AND CONNECTOR (FRONT POWER SEAT SWITCH LH - POWER SEAT MOTOR)
- Disconnect the e45 and e46 switch connectors.
- Disconnect the e40 motor connector.
- Measure the resistance according to the values in the table below.
Standard resistance
FRONT POWER SEAT SWITCH LH - POWER SEAT MOTORTester Connection Condition Specified Condition e46-10(C+) - e40-1 Always Below 1 Ω e45-4 (C-) - e40-2 Always Below 1 Ω
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE FRONT POWER SEAT SWITCH LH (See REMOVAL )