Toyota Tundra. Manual — part 2718

Fig. 43: Identifying IG Power Source Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. INSPECT FUSE (ECU-IG No. 1)

a. Remove the ECU-IG No. 1 fuse from the main body ECU.

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

Standard Resistance

STANDARD RESISTANCE SPECIFICATION TABLE

NG: REPLACE FUSE

OK: Go to next step.

2. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU -

BATTERY)

a. Disconnect the J47 multiplex tilt and telescopic ECU connector.

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

Standard Voltage

STANDARD VOLTAGE SPECIFICATION TABLE

Tester Connection Condition Specified Condition

ECU-IG No. 1 fuse Always

Below 1 ohms

Tester Connection

Switch Condition Specified Condition

J47-8 (IG) - Body ground Ignition switch ON

11 to 14 V

2009 Toyota Tundra

2009 STEERING Steering Column - Tundra

Fig. 44: Identifying J47 Multiplex Tilt & Telescopic ECU Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step.

3. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU - BODY

GROUND)

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

Standard Resistance

STANDARD RESISTANCE SPECIFICATION TABLE

Tester Connection

Condition Specified Condition

J47-11 (GND) - Body ground Always

Below 1 ohms

2009 Toyota Tundra

2009 STEERING Steering Column - Tundra

Fig. 45: Identifying J47 Multiplex Tilt & Telescopic ECU Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE MULTIPLEX TILT AND TELESCOPIC ECU (See MULTIPLEX TILT AND
TELESCOPIC ECU (for Power Tilt and Power Telescopic Steering Column) )

STEERING COLUMN ASSEMBLY (FOR MANUAL TILT)

COMPONENTS

Fig. 46: Identifying Steering Column Assembly Replacement Components (Manual Tilt) (1 Of 4)

2009 Toyota Tundra

2009 STEERING Steering Column - Tundra

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 47: Identifying Steering Column Assembly Replacement Components With Torque Specifications
(Manual Tilt) (2 Of 4)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 STEERING Steering Column - Tundra