Toyota Sequoia (2005). Manual — part 438
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DIDF1–01
–
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.
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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
–
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DI26U–39
–
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
(
)
Vehicle Speed Sensor Circuit Malfunction
Vehicle speed sensor
Vehicle speed sensor signal circuit
ECM
P0503/23
(
)
Vehicle Speed Sensor Circuit Malfunction
Vehicle speed sensor
Vehicle speed sensor signal circuit
ECM
P0571/52
(
)
Stop Light Switch Circuit Malfunction
Stop light switch assy
Stop light switch assy circuit
ECM
P0607/54
(
)
Input Signal Circuit Malfunction
ECM
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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
–
DIAGNOSTICS
CRUISE CONTROL SYSTEM
1744
PARTS LOCATION
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