Page 3977 of 4500
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3.Driver's seat:
INSPECT LUMBAR SUPPORT SWITCH
a. Measure the resistance between the terminals when the switch is operated.
Standard:
Upper side control
TESTER CONNECTION AND SPECIFIED CONDITION
Tester ConnectionSwitch ConditionSpecified Condition
1 (H) - 5 (B)HOLDBelow 1ohms
4 (R) - 6 (E)HOLDBelow 1ohms
1 (H) - 6 (E)OFFBelow 1ohms
4 (R) - 6 (E)OFFBelow 1ohms
1 (H) - 6 (E)RELEASEBelow 1ohms
4 (R) - 5 (B)RELEASEBelow 1ohms
Page 3978 of 4500
Page 3979 of 4500
Fig. 41: Identifying Lumbar Support Switch Connector Terminals -Driver Seat
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Lower side control
TESTER CONNECTION AND SPECIFIED CONDITION
If the result is not as specified, replace the switch.
4.Passenger's seat:
INSPECT LUMBAR SUPPORT SWITCH
a. Measure the resistance between the terminals when the switch is operated.
Standard:
TESTER CONNECTION AND SPECIFIED CONDITION
If the result is not as specified, replace the switch.
Tester ConnectionSwitch ConditionSpecified Condition
2 (H1) - 5 (B)HoldBelow 1ohms
3 (R1) - 6 (E)HoldBelow 1ohms
2 (H1) - 6 (E)OFFBelow 1ohms
3 (R1) - 6 (E)OFFBelow 1ohms
2 (H1) - 6 (E)RELEASEBelow 1ohms
3 (R1) - 5 (B)RELEASEBelow 1ohms
Tester ConnectionSwitch ConditionSpecified Condition
1 (B) - 4 (H)HOLDBelow 1 ohms
2 (E) - 3 (R)HOLDBelow 1 ohms
1 (B) - 3 (R)OFFBelow 1 ohms
2 (E) - 3 (R)OFFBelow 1 ohms
1 (B) - 3 (R)RELEASEBelow 1 ohms
2 (E) - 4 (H)RELEASEBelow 1 ohms
Page 3980 of 4500
Fig. 42: Identifying Lumbar Support Switch Connector Terminals - Passenger Seat
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5.Driver's seat:
INSPECT POWER SEAT CUSHION SWITCH
a. Measure the resistance between the terminals when the switch is operated.
b. Remove the power seat cushion switch.
c. Measure the resistance of the switch.
Standard:
TESTER CONNECTION AND SPECIFIED CONDITION
If the result is not as specified, replace the switch.
Tester ConnectionSwitch ConditionSpecified Condition
1 (CSNF) - 4 (E)FRONTBelow 1 ohms
1 (CSNF) - 4 (E), 2 (CSNR) -4 (E)OFF10 kohms higher
2 (CSNR) - 4 (E)REARBelow 1 ohms
Page 3981 of 4500
Page 3982 of 4500
Fig. 43: Identifying Power Seat Cushion Switch Connector Terminals -Driver Seat
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
6.Passenger's seat:
INSPECT POWER SEAT SWITCH SUB
a. Measure the resistance between the terminals when the switch is operated.
Standard:
Reclining switch
TESTER CONNECTION AND SPECIFIED CONDITION
Slide switch
TESTER CONNECTION AND SPECIFIED CONDITION
If the result is not as specified, replace the switch.
Tester ConnectionSwitch ConditionSpecified Condition
5 (MRF) - 10 (B)FRONTBelow 1 ohms
6 (MRR) - 10 (B)FRONTBelow 1 ohms
5 (MRF) - 7 (RCLF)OFFBelow 1 ohms
2 (RCLR) - 6 (MRR)OFFBelow 1 ohms
6 (MRR) - 10 (B)REARBelow 1 ohms
5 (MRF) - 7 (RCLF)REARBelow 1 ohms
Tester ConnectionSwitch ConditionSpecified Condition
4 (MSF) - 10 (B)FRONTBelow 1 ohms
3 (SLDR) - 9 (MSR)FRONTBelow 1 ohms
4 (MSF) - 8 (SLDF)OFFBelow 1 ohms
3 (SLDR) - 9 (MSR)OFFBelow 1 ohms
9 (MSR) - 10 (B)REARBelow 1 ohms
4 (MSF) - 8 (SLDF)REARBelow 1 ohms
Page 3983 of 4500
Fig. 44: Identifying Power Seat Cushion Switch Connector Terminals - Passenger Seat
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7.INSPECT POWER SEAT MOTOR
a. Check operation of the slide motor.
1. Check if the motor rotates smoothly when the battery is connected to the slide motor
connector terminals.
OK:
MEASUREMENT CONDITION AND SPECIFIED CONDITION
If the result is not as specified, replace the slide motor.
Measurement ConditionSpecified Condition
Battery positive (+) --> 1 Battery negative (-) --> 2Counterclockwise
Battery positive (+) --> 2 Battery negative (-) --> 1Clockwise
Page 3984 of 4500
Fig. 45: Checking Operation Of Slide Motor
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Check operation of the vertical motor.
1. Check if the motor rotates smoothly when the battery is connected to the vertical motor
connector terminals.
OK:
MEASUREMENT CONDITION AND SPECIFIED CONDITION
Measurement ConditionSpecified Condition
Battery positive (+) --> 1 Battery negative (-) --> 2Counterclockwise