Toyota Tundra. Manual — part 314

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

e. Inspect the RES (RESUME) function.

1. Turn the main switch ON.

2. Drive at the required speed (40 km/h (25 mph) or higher).

3. Push the cruise control main switch to SET / COAST.

4. Cancel the cruise control system according to any of the above operations (other than turning

the main switch OFF).

5. After pushing the cruise control main switch to RES / ACC at a driving speed of more than

40 km/h (25 mph), check that the vehicle drives at the set speed.

Fig. 8: Inspecting RES (RESUME) Function
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

PROBLEM SYMPTOMS TABLE

HINT:



Use the table below to help determine the cause of the problem symptom. The potential causes of the
symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each
symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.



Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Cruise control system

SYMPTOM CHART

Symptom

Suspected Area

Refer To

Main switch cannot be turned
ON. (CRUISE main indicator
light on combination meter does
not illuminate.)

Cruise control switch circuit

CRUISE CONTROL SWITCH

CIRCUIT

CRUISE main indicator light
circuit

CRUISE MAIN INDICATOR

LIGHT CIRCUIT

ECM

TERMINALS OF ECU

Vehicle speed setting cannot be
done. (CRUISE main indicator
light on combination meter
illuminates when main switch is

Cruise control switch circuit

CRUISE CONTROL SWITCH

CIRCUIT

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Cruise Control - Tundra

turned ON, but turns off when
operating SET function.)

ECM

TERMINALS OF ECU

Vehicle speed setting cannot be
done. (CRUISE main indicator
light on combination meter
illuminates when main switch is
turned ON, and remains
illuminated when operating SET
function.)

Cruise control switch circuit

CRUISE CONTROL SWITCH

CIRCUIT

Stop light switch circuit

DTC P0571 BRAKE SWITCH

"A" CIRCUIT

Park / neutral position switch
circuit

For A750E Automatic Transaxle,

see DTC P0705 TRANSMISSION

RANGE SENSOR CIRCUIT

MALFUNCTION (PRNDL INPUT)

(for 1GR-FE) or DTC P0705

TRANSMISSION RANGE

SENSOR CIRCUIT

MALFUNCTION (PRNDL INPUT)

(for 2UZ-FE), For A750F

Automatic Transaxle, see DTC

P0705: TRANSMISSION RANGE

SENSOR CIRCUIT

MALFUNCTION (PRNDL

INPUT) , For AB60E Automatic

Transaxle, see DTC P0705:
TRANSMISSION RANGE

SENSOR CIRCUIT

MALFUNCTION (PRNDL INPUT)

and For AB60F Automatic

Transaxle, see DTC P0705:

TRANSMISSION RANGE

SENSOR CIRCUIT

MALFUNCTION (PRNDL

INPUT)

Combination meter system

HOW TO PROCEED WITH

TROUBLESHOOTING

ECM

TERMINALS OF ECU

Cruise control switch circuit

CRUISE CONTROL SWITCH

CIRCUIT

Vehicle speed sensor circuit

DTC P0500 VEHICLE SPEED

SENSOR MALFUNCTION; DTC

P0503 VEHICLE SPEED

SENSOR "A"

INTERMITTENT / ERRATIC /

HIGH

Stop light switch circuit

DTC P0571 BRAKE SWITCH

"A" CIRCUIT

CRUISE main indicator light
circuit

CRUISE MAIN INDICATOR

LIGHT CIRCUIT

Park / neutral position switch

For A750E Automatic Transaxle,

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Cruise Control - Tundra

TERMINALS OF ECU

1. CHECK ECM

While the vehicle is driving with
cruise control, the SET control is
canceled. (CRUISE main
indicator light remains
illuminated.)

circuit

see DTC P0705 TRANSMISSION

RANGE SENSOR CIRCUIT

MALFUNCTION (PRNDL INPUT)

(for 1GR-FE) or AUTOMATIC

TRANSMISSION SYSTEM (FOR

2UZ-FE) (for 2UZ-FE), For A750F

Automatic Transaxle, see DTC

P0705: TRANSMISSION RANGE

SENSOR CIRCUIT

MALFUNCTION (PRNDL

INPUT) , For AB60E Automatic

Transaxle, see DTC P0705:
TRANSMISSION RANGE

SENSOR CIRCUIT

MALFUNCTION (PRNDL INPUT)

and For AB60F Automatic

Transaxle, see DTC P0705:
TRANSMISSION RANGE

SENSOR CIRCUIT

MALFUNCTION (PRNDL INPUT)

ECM

TERMINALS OF ECU

Hunting (Speed is not constant.)

Vehicle speed sensor circuit

DTC P0500 VEHICLE SPEED

SENSOR MALFUNCTION; DTC

P0503 VEHICLE SPEED

SENSOR "A"

INTERMITTENT / ERRATIC /

HIGH

ECM

TERMINALS OF ECU

Vehicle speed setting cannot be
canceled. (CANCEL function
failure.)

Cruise control switch circuit

CRUISE CONTROL SWITCH

CIRCUIT

ECM

TERMINALS OF ECU

DTC is not output, or is output
when it should not be.

TC and CG terminal circuit

TC AND CG TERMINAL

CIRCUIT

ECM

TERMINALS OF ECU

CRUISE main indicator light
does not come on.

Cruise control switch circuit

CRUISE CONTROL SWITCH

CIRCUIT

CRUISE main indicator light
circuit

CRUISE MAIN INDICATOR

LIGHT CIRCUIT

ECM

TERMINALS OF ECU

Combination meter

-

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Cruise Control - Tundra

Fig. 9: Identifying Terminals Of ECU
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

ECM CONNECTOR TERMINAL REFERENCE

DIAGNOSIS SYSTEM

Terminal No.

(Symbols)

Wiring Color

Terminal

Description

Condition

Specified

Condition

A24-16 (TC) - D74-
81

R - W-B

Ground

Ignition switch ON

11 to 14 V

A24-16 (TC) - D74-
81

R - W-B

Ground

Connect terminals
TC and CG of
DLC3

Below 1 V

A24-36 (STP) -
D74-81 (E1)

LG - W-B

Stop light signal

Ignition switch ON,
Brake pedal
depressed

11 to 14 V

A24-36 (STP) -
D74-81 (E1)

LG - W-B

Stop light signal

Ignition switch ON,
Brake pedal released

Below 1 V

A24-45 (CCS) -
D74-81 (E1)

BR - W-B

Cruise control main

switch circuit

Ignition switch ON

11 to 14 V

A24-45 (CCS) -
D74-81 (E1)

BR - W-B

Cruise control main

switch circuit

CANCEL switch
ON

6.6 to 10.1 V

A24-45 (CCS) -
D74-81 (E1)

BR - W-B

Cruise control main

switch circuit

SET/COAST switch
ON

4.5 to 7.1 V

A24-45 (CCS) -
D74-81 (E1)

BR - W-B

Cruise control main

switch circuit

RES/ACC switch
ON

2.3 to 4.0 V

A24-45 (CCS) -
D74-81 (E1)

BR - W-B

Cruise control main

switch circuit

MAIN switch ON

Below 1 V

A24-35 (ST1-) -
D74-81 (E1)

R - W-B

Stop light signal

Ignition switch ON,
Brake pedal
depressed

Below 1 V

A24-35 (ST1-) -
D74-81 (E1)

R - W-B

Stop light signal

Brake pedal released

11 to 14 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Cruise Control - Tundra