Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT FRONT POWER SEAT SWITCH LH

(a) Check the resistance of the front power seat switch LH.

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

Standard Resistance:

Slide Switch

Tester Connection

Switch Condition

Specified Condition

5 (SLDF) - 8 (B)

5 (SLDF) - 7 (B1)

Front position

Below 1 Ω

2 (SLDR) - 11 (E)

2 (SLDR) - 12 (E1)

5 (SLDF) - 11 (E)

5 (SLDF) - 12 (E1)

Neutral

2 (SLDR) - 11 (E)

2 (SLDR) - 12 (E1)

5 (SLDF) - 11 (E)

5 (SLDF) - 12 (E1)

Rear position

2 (SLDR) - 8 (B)

2 (SLDR) - 7 (B1)

Front Vertical Switch

Tester Connection

Switch Condition

Specified Condition

1 (FUP) - 8 (B)

1 (FUP) - 7 (B1)

Up position

Below 1 Ω

6 (FDWN) - 11 (E)

6 (FDWN) - 12 (E1)

1 (FUP) - 11 (E)

1 (FUP) - 12 (E1)

Neutral

6 (FDWN) - 11 (E)

6 (FDWN) - 12 (E1)

1 (FUP) - 11 (E)

1 (FUP) - 12 (E1)

Down position

6 (FDWN) - 8 (B)

6 (FDWN) - 7 (B1)

Lifter Switch

Tester Connection

Switch Condition

Specified Condition

3 (LUP) - 8 (B)

3 (LUP) - 7 (B1)

Up position

Below 1 Ω

4 (LDWN) - 11 (E)

4 (LDWN) - 12 (E1)

3 (LUP) - 11 (E)

3 (LUP) - 12 (E1)

Neutral

4 (LDWN) - 11 (E)

4 (LDWN) - 12 (E1)

3 (LUP) - 11 (E)

3 (LUP) - 12 (E1)

Down position

4 (LDWN) - 8 (B)

4 (LDWN) - 7 (B1)

Reclining Switch

Tester Connection

Switch Condition

Specified Condition

8 (B) - 10 (RCLF)

7 (B1) - 10 (RCLF)

Front position

Below 1 Ω

9 (RCLR) - 11 (E)

9 (RCLR) - 12 (E1)

10 (RCLF) - 11 (E)

10 (RCLF) - 12 (E1)

Neutral

9 (RCLR) - 11 (E)

9 (RCLR) - 12 (E1)

10 (RCLF) - 11 (E)

10 (RCLF) - 12 (E1)

Rear position

8 (B) - 9 (RCLR)

7 (B1) - 9 (RCLR)

If the result is not as specified, replace the front power seat switch LH.

Text in Illustration

*1

Front Vertical Switch

*2

Slide Switch

*3

Lifter Switch

*4

Reclining Switch

*a

Component without harness connected

(Front Power Seat Switch LH)

2. INSPECT FRONT POWER SEAT SWITCH RH

(a) Check the resistance of the front power seat switch RH.

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

Standard Resistance:

Slide Switch

Tester Connection

Switch Condition

Specified Condition

2 (SLDF) - 13 (B)

2 (SLDF) - 14 (B1)

Front position

Below 1 Ω

5 (SLDR) - 10 (E)

5 (SLDR) - 9 (E1)

2 (SLDF) - 10 (E)

2 (SLDF) - 9 (E1)

Neutral

5 (SLDR) - 10 (E)

5 (SLDR) - 9 (E1)

2 (SLDF) - 10 (E)

2 (SLDF) - 9 (E1)

Rear position

5 (SLDR) - 13 (B)

5 (SLDR) - 14 (B1)

Reclining Switch

Tester Connection

Switch Condition

Specified Condition

11 (RCLF) - 13 (B)

11 (RCLF) - 14 (B1)

Front position

Below 1 Ω

10 (E) - 12 (RCLR)

9 (E1) - 12 (RCLR)

10 (E) - 11 (RCLF)

9 (E1) - 11 (RCLF)

Neutral

12 (RCLR) - 10 (E)

12 (RCLR) - 9 (E1)

10 (E) - 11 (RCLF)

9 (E1) - 11 (RCLF)

Rear position

12 (RCLR) - 13 (B)

12 (RCLR) - 14 (B1)

If the result is not as specified, replace the front power seat switch.

Text in Illustration

*1

Slide Switch

*2

Reclining Switch

*a

Component without harness connected

(Front Power Seat Switch RH)

    Components

    Installation

    See More:

    Toyota Tundra Service Manual > Can Communication System: Check Bus 4 Line for Short to +B
    DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 22 (CA2H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 7 (CA2L) of the central gateway ECU (network gateway ECU) and termin ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0116