Toyota Sequoia (2005). Manual — part 423
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1487
1681
3
Perform zero point calibration.
(a)
Connect the hand–held tester to the DLC3.
(b)
Turn the ignition switch to the ON position.
(c)
Using the hand–held tester, perform ”Zero point calibration” (see page
).
OK:
The ”COMPLETED” is displayed on the tester screen.
NG
Go to step 5.
OK
4
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
Go to step 5.
OK
END
DI–1488
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1682
5
Retighten front seat assembly RH bolt (see page
(a)
Turn the ignition switch to the LOCK position.
(b)
Loosen the 4 installation bolts of the front seat assembly RH.
(c)
Tighten the 4 installation bolts of the front seat assembly RH to the specified torque.
Torque: 37 N·m (380 kgf·cm, 27 ft·lbf)
NEXT
6
Perform zero point calibration.
(a)
Connect the hand–held tester to the DLC3.
(b)
Turn the ignition switch to the ON position.
(c)
Using the hand–held tester, perform ”Zero point calibration” (see page
).
OK:
The ”COMPLETED” is displayed on the tester screen.
NG
Go to step 8.
OK
7
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
Go to step 8.
OK
END
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1489
1683
8
Check connectors.
PREPARATION:
(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.
CHECK:
Check the connectors are properly connected to the occupant classification ECU and the 4 occupant classifi-
cation sensors.
OK:
The connectors are connected.
PREPARATION:
Disconnect the connectors from the occupant classification ECU and the 4 occupant classification sensors.
CHECK:
Check the connectors are not damaged or deformed.
OK:
The connectors are normal.
NG
Repair or replace connector, then go to step 1.
OK
9
Check DTC.
PREPARATION:
(a)
Connect the connectors to the occupant classification ECU and the 4 occupant classification sensors.
(b)
Connect the negative (–) terminal cable to the battery.
CHECK:
(a)
Turn the ignition switch to the ON position, and wait for at least 60 seconds.
(b)
Clear the DTCs stored in memory (see page
).
(c)
Turn the ignition switch to the LOCK position.
(d)
Turn the ignition switch to the ON position, and wait for at least 60 seconds.
(e)
Check the DTCs (see page
).
OK:
DTC is not output.
NG
Replace airbag sensor assembly
(see page
).
OK
DI–1490
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1684
10
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
HINT:
Perform the inspection using parts from a normal vehicle if possible.
NEXT
11
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 on the tester screen.
NEXT
12
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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