Toyota Sequoia (2005). Manual — part 379
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1311
1505
2
Perform sensitivity check.
Using the hand–held tester, perform ”Sensitivity check” (see page
OK:
Standard value: 27 to 33 kg (59.52 to 72.75 lb)
NG
OK
3
Check DTC.
CHECK:
(a)
Turn the ignition switch to the ON position.
(b)
Clear the DTCs stored in memory (see page
).
HINT:
First clear DTCs stored in the occupant classification ECU and then in the airbag sensor assembly.
(c)
Turn the ignition switch to the LOCK position.
(d)
Turn the ignition switch to the ON position.
(e)
Using the hand–held tester, check the DTCs of the occupant classification ECU (see page
OK:
DTC B1787 is not output.
HINT:
Codes other than DTC B1787 may be output at this time, but they are not related to this check.
NG
OK
END
DI–1312
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1506
4
Replace front seat assembly RH.
(a)
Turn the ignition switch to the LOCK position.
(b)
Disconnect the negative (–) terminal cable from the battery, and wait for at least 90 seconds.
(c)
Replace the front seat assembly RH (see page
HINT:
Perform the inspection using parts from a normal vehicle if possible.
NEXT
5
Perform zero point calibration.
(a)
Connect the negative (–) terminal cable to the battery.
(b)
Connect the hand–held tester to the DLC3.
(c)
Turn the ignition switch to the ON position.
(d)
Using the hand–held tester, perform ”Zero point calibration” (see page
).
OK:
The ”COMPLETED” is displayed.
NG
OK
6
Perform sensitivity check.
Using the hand–held tester, perform ”Sensitivity check” (see page
OK:
Standard value: 27 to 33 kg (59.52 to 72.75 lb)
NG
OK
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1313
1507
7
Check DTC.
CHECK:
(a)
Turn the ignition switch to the ON position.
(b)
Clear the DTCs stored in memory (see page
).
HINT:
First clear DTCs stored in the occupant classification ECU and then in the airbag sensor assembly.
(c)
Turn the ignition switch to the LOCK position.
(d)
Turn the ignition switch to the ON position.
(e)
Using the hand–held tester, check the DTCs of the occupant classification ECU (see page
OK:
DTC B1787 is not output.
HINT:
Codes other than DTC B1787 may be output at this time, but they are not related to this check.
NG
OK
END
DI–1314
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1508
8
Replace occupant classification ECU.
(a)
Turn the ignition switch to the LOCK position.
(b)
Disconnect the negative (–) terminal cable from the battery, and wait for at least 90 seconds.
(c)
Replace the occupant classification ECU (see page
NEXT
9
Perform zero point calibration.
(a)
Connect the negative (–) terminal cable to the battery.
(b)
Connect the hand–held tester to the DLC3.
(c)
Turn the ignition switch to the ON position.
(d)
Using the hand–held tester, perform ”Zero point calibration” (see page
).
OK:
The ”COMPLETED” is displayed.
NEXT
10
Perform sensitivity check.
Using the hand–held tester, perform ”Sensitivity check” (see page
OK:
Standard value: 27 to 33 kg (59.52 to 72.75 lb)
NEXT
END
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