Toyota Sequoia (2005). Manual - part 438

DIDF1–01

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DIAGNOSTICS

CRUISE CONTROL SYSTEM

DI–1547

1741

FAIL–SAFE CHART

If the following condition is detected while the cruise control is in operation, the system will clear
the stored vehicle speed in the ECM and cancel the cruise control operation.

Vehicle Condition

Auto Cancel Condition

Re–operation Condition

The CRUISE main indicator light blinks.

There is an open or short in the stop light switch

circuit.

There is a problem with the vehicle speed sig-

nal.

There is a problem with the throttle position sen-

sor and motor.

There is a problem with the input circuit of the

stop light switch circuit.

There is a problem with the cancel circuit.

Push the ON–OFF button of the cruise control

main switch on again.

Turn the ignition switch off.

DIDF2–01

A08841

DLC3

Hand–held Tester

DI–1548

–

DIAGNOSTICS

CRUISE CONTROL SYSTEM

1742

DATA LIST / ACTIVE TEST

DATA LIST
HINT:
According to the DATA LIST displayed by the the hand–held
tester, you can read the values of the switches, the sensors and
so on without parts removal. Reading the DATA LIST as a first
step in troubleshooting is one of the methods to shorten labor
time.
(a)

Connect the hand–held tester to the DLC3.

(b)

Turn the ignition switch ON.

(c)

According to the display on the tester, read the ”DATA
LIST”.

CCS (ECM):

Item

Measurement Item

/Display (Range)

Normal Condition

Diagnostic Note

VEHICLE SPD

Vehicle speed/min.: 0 km/h (0

mph), max.: 255 km/h (158 mph)

Actual vehicle speed

–

MEMORY SPD

Cruise control memorized speed

/min.: 36 km/h (22.5 mph), max.:

200 km/h (125 mph)

Actual stored vehicle speed

–

THROTTLE

Required throttle opening angle

/min.: 0

, max.: 125

Actual required throttle opening

angle

–

CRUISE CONTROL

Cruise control system active

condition/ON or OFF

ON: Cruise control activated

OFF: Cruise control inactivated

–

MAIN SW (MAIN)

Main SW signal (Main CPU)

/ON or OFF

ON: Main SW ON (Pushed on)

OFF: Main SW OFF (Pushed off)

–

MAIN SW (SUB)

Main SW signal (Sub CPU)

/ON or OFF

ON: Main SW ON (Pushed on)

OFF: Main SW OFF (Pushed off)

–

CCS INDICATOR

Cruise indicator signal (Main CPU)

/ON or OFF

ON: ”CRUISE main indicator” ON

OFF: ”CRUISE main indicator”

OFF

–

CCS INDICATOR S

Cruise indicator signal (Sub CPU)

/ON or OFF

ON: ”CRUISE main indicator” ON

OFF: ”CRUISE main indicator”

OFF

–

CANCEL SW

CANCEL SW signal/ON or OFF

ON: CANCEL SW ON

OFF: CANCEL SW OFF

–

SET/COAST SW

–/SET SW signal/

ON or OFF

ON: –/SET SW ON

OFF: –SET OFF

–

RES/ACC SW

+/RES SW signal/ON or OFF

ON: +/RES SW ON

OFF: +/RES SW OFF

–

STP LIGHT SW2 M

Stop light SW signal (Main CPU)

/ON or OFF

ON: Brake pedal depressed

OFF: Brake pedal released

–

STP LIGHT SW2 S

Stop light SW signal (Sub CPU)

/ON or OFF

ON: Brake pedal depressed

OFF: Brake pedal released

–

STP LIGHT SW1 S

Stop light SW signal (Sub CPU)

/ON or OFF

ON: Brake pedal depressed

OFF: Brake pedal released

–

SHIFT D POS

PNP SW signal (D position)

/ON or OFF

ON: Shift position D

OFF: Any shift position except D

–

DI26U–39

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DIAGNOSTICS

CRUISE CONTROL SYSTEM

DI–1549

1743

DIAGNOSTIC TROUBLE CODE CHART

If a trouble code is displayed during the DTC check, check the circuit listed for that code. For details of each
code, refer to the ”See page” under the respective ”DTC No.” in the DTC chart.

DTC No.

(See Page)

Detection Item

Trouble Area

P0500/21

(

DI–1551

)

Vehicle Speed Sensor Circuit Malfunction

Vehicle speed sensor

Vehicle speed sensor signal circuit

ECM

P0503/23

(

DI–1551

)

Vehicle Speed Sensor Circuit Malfunction

Vehicle speed sensor

Vehicle speed sensor signal circuit

ECM

P0571/52

(

DI–1552

)

Stop Light Switch Circuit Malfunction

Stop light switch assy

Stop light switch assy circuit

ECM

P0607/54

(

DI–1556

)

Input Signal Circuit Malfunction

ECM

DI3CG–10

I28396

DLC3

Instrument Panel J/B

Ignition Switch

ECM

Cruise Control Switch

Stop Light Switch

 STOP Fuse

 IGN1 Fuse

 AM1 Fuse

 GAUGE Fuse

Combination Meter

 CRUISE Main Indicator Light

Spiral Cable Sub–assy

DI–1550

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DIAGNOSTICS

CRUISE CONTROL SYSTEM

1744

PARTS LOCATION