Last Modified: 7-3-2017 6.8:8.0.40 Doc ID: RM0000010VM015X
Model Year Start: 2007 Model: LX470 Prod Date Range: [08/2006 -           ]
Title: SUPPLEMENTAL RESTRAINT SYSTEM: OCCUPANT CLASSIFICATION SYSTEM: DATA LIST / ACTIVE TEST; 2007 MY LX470 [08/2006 -        ]

DATA LIST / ACTIVE TEST

HINT:

Using the intelligent tester's DATA LIST allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the DATA LIST early in troubleshooting is one way to save time.

1. READ DATA LIST FOR OCCUPANT CLASSIFICATION ECU

(a) Connect the intelligent tester (with CAN VIM) to the DLC3.

(b) Turn the ignition switch ON.

(c) Following the display on the tester screen, read the DATA LIST.

HINT:

The Specified Condition for Zero Point Calibration in the table below must be satisfied when the zero point calibration is performed.

Occupant classification ECU

Item

Measurement Item /

Range (Display)

Normal Condition

Specified Condition for Zero Point Calibration

Diagnostic Note

PASSENGER CLASS

Passenger classification /

NG / AF05 / AM50 / CHILD / OFF

NG: Data is not determined

AM50: Adult is seated and seat is in rear position

AF05: Adult is seated and seat is in front position

CHILD: Child is seated

OFF: Vacant

OFF

-

P BUCKLE SW

Buckle switch (Passenger side) /

NG / UNSET / SET

SET: Passenger side seat belt is fastened

UNSET: Passenger side seat belt is unfastened

NG: Data is not determined

UNSET

-

SEAT POSITION

Seat position /

NG / ON / OFF

ON: Seat is in front position

OFF: Seat is in rear position

NG: Data is not determined

ON / OFF

-

RELATIVE PRESS

Pressure sensor output /

Min.: 0

Max.: 255

0 to 210

0 to 2

-

FILTERED PRESS

Filtered pressure sensor output /

Min.: 0

Max.: 255

38 to 240

38 to 75

If value outside range of Specified Condition for Zero Point Calibration, check for objects placed on seat cushion and that seat cushion fitted correctly.

THERMISTOR TEMP

Thermistor temperature output /

Min.: -40°C (-40°F)

Max.: 90°C (194°F)

-40 to 85°C (-40 to185°F)

3 to 40°C (36 to 104°F)

If value outside range of Specified Condition for Zero Point Calibration, adjust temperature to proper range by using air conditioner, etc.

WEIGHT THRESH

Weight threshold /

Min.: 0

Max.: 255

36 to 67

(reference value)

36 to 67

(reference value)

-

FILTERED TENSION

Filtered belt tension output /

Min.: 0

Max.: 255

39 to 229

39 to 64

(no load)

-

EMPTY THRESH

Empty threshold value from seat factory /

Min.: 0

Max.: 255

38 to 75

38 to 75

-

ALLOW THRESH

Threshold value for adult passenger or not from seat factory /

Min.: 0

Max.: 255

43 to 64

(reference value)

43 to 64

(reference value)

-

#PRESENT CODES

Number of present trouble codes /

Min.: 0

Max.: 255

0

0

-

#PAST CODES

Number of past trouble codes /

Min.: 0

Max.: 255

0

0

-