Toyota Tundra. Manual — part 2620

Fig. 194: Identifying DLC3 Connector Terminal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

4. CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND)

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

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

Result

RESULT TABLE

Tester Connection

Condition Specified Condition

A24-16 (TC) - Body ground Always

1 Mohms or higher

Result

Proceed to

NG

A

OK (for Column Shift Type)

B

OK (for Floor Shift Type)

C

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

Fig. 195: Identifying ECM Connector Terminal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

A: REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU

B: REPLACE CENTER AIRBAG SENSOR ASSEMBLY (See CENTER AIRBAG SENSOR
ASSEMBLY (for Column Shift Type) )

C: REPLACE CENTER AIRBAG SENSOR ASSEMBLY (See CENTER AIRBAG SENSOR
ASSEMBLY (for Floor Shift Type) )

OCCUPANT CLASSIFICATION SYSTEM

PRECAUTION

1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT

a. Perform the zero point calibration and sensitivity check if any of the following conditions apply

(see INITIALIZATION ).



The occupant classification ECU is replaced.



Accessories (seatback tray and seat cover, etc.) are installed.



The front seat RH is removed from the vehicle.



The passenger airbag ON/OFF indicator (OFF) comes on when the front seat RH is not
occupied.



The vehicle is brought to the workshop for repair due to an accident or a collision.

PARTS LOCATION

NOTE:

When a vehicle that has been in an accident is brought into the
workshop for repair, check the flatness of the floor where the front
seat RH is mounted. If the flatness is not within +/-3.0 mm (0.118 in.),
adjust it to the specified range.

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

Fig. 196: Identifying Occupant Classification System Components (1 Of 3)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra

Fig. 197: Identifying Occupant Classification System Components (2 Of 3)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 RESTRAINTS Supplemental Restraint System - Tundra