Toyota Tundra. Manual — part 2359

Standard resistance

MAIN BODY ECU (ACC RELAY)

If the result is not as specified, replace the main body ECU

3

CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

ACC CUT RELAY

ON-VEHICLE INSPECTION

1

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

2

REMOVE ACC CUT RELAY

a

Remove the clip

b

Detach the 2 clips and remove the cowl side trim board RH

c

Remove the relay

3

INSPECT ACC CUT RELAY

a

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

Standard resistance

ACC CUT RELAY

Tester

Connection

Condition

Specified

Condition

DD47-DD8

When battery voltage is not applied between DD45
and DD62

10 kohms or

higher

When battery voltage is applied between DD45 and
DD62

Below 1 ohms

NOTE:

Some systems need to be initialized after the cable is reconnected (see
INITIALIZATION ).

NOTE:



Some systems need to be initialized after the cable is reconnected
(see INITIALIZATION ).



After the ignition switch is turned OFF, the navigation system
requires approximately 90 seconds to record various types of
memory and settings. As a result, after turning the ignition switch
OFF, wait 90 seconds or more before disconnecting the cable from
the negative (-) battery terminal.

Tester Connection

Condition

Specified Condition

3 - 4

When battery voltage is not applied to terminals 1 and 2

Below 1 ohms

2009 Toyota Tundra

2009 ENG NE Starting (2UZ-FE) - Tundra

If the result is not as specified, replace the relay

When battery voltage is applied to terminals 1 and 2

10 kohms or higher

2009 Toyota Tundra

2009 ENG NE Starting (2UZ-FE) - Tundra

Fig. 82: Inspecting ACC Cut Relay
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

4

INSTALL ACC CUT RELAY

a

Install the relay

b

Attach the 2 clips to install the cowl side trim board RH

c

Install the clip

5

CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

IGNITION SWITCH

COMPONENTS

Fig. 83: Identifying Ignition Switch Replacement Components (1 Of 10)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

Some systems need to be initialized after the cable is reconnected (see
INITIALIZATION ).

2009 Toyota Tundra

2009 ENG NE Starting (2UZ-FE) - Tundra

Fig. 84: Identifying Ignition Switch Replacement Components With Torque Specifications (2 Of 10)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ENG NE Starting (2UZ-FE) - Tundra