Toyota Sequoia (2005). Manual — part 334
SENSITIVITY CHECK PROCEDURE
”1: DIAGNOSIS” – ”1: OBD/MOBD” – ”MODEL YEAR” – ”MODEL SELECTION = SEQUOIA” –
Select the option parts – ”9: OCCUPANT DETECT” – Refer to the following screen flow.
DIAGNOSTIC MENU
OCCUPANT DETECT
1: DATA LIST
2: DTC INFO
5: ZERO CALIBRATION
6: SENSITIVITY CHK
4: SNAPSHOT
NOTICE
Please confirm
that nothing is
placed on the
passenger seat.
PRESS [ENTER] or [EXIT]
SENSITIVITY CHECK
Beginning sensor
reading should be
–3.2 to 3.2 kg.
PRESS [ENTER]
SENSITIVITY CHECK
PRESS [ENTER]
(–7 to 7 lbs)
Sensor reading
0.00 kg
Place 30 kg (66 lbs)
weight on passenger
seat. Sensor reading
should be 27 to 33 kg.
(59 to 73 lbs)
Sensor reading
0.00 kg
*1: kg
⇔
lb
Unit can be changed based on unit conversion setting.
[System Selection Screen]
”1: DIAGNOSIS” – ”9: SETUP” – ”4: UNIT CONVERSION”
– ”WEIGHT” (kg
⇔
lbs)
(*1)
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1131
1325
DI6P2–15
DI–1132
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1326
PROBLEM SYMPTOMS TABLE
Proceed with troubleshooting of each circuit in the table below.
Symptom
Suspected Area
See page
The front passenger seat condition differs from the indication by
the passenger airbag ON/OFF indicator (DTC is not output).
Trouble in indication of Passenger airbag ON/OFF indica-
tor
With the ignition switch is in ON position, the SRS warning light
sometimes comes on after approximately 6 seconds.
SRS warning light circuit (Always comes on, when DTC is
not output)
The SRS warning light always comes on even when DTC is not
output.
SRS warning light circuit (Always comes on, when DTC is
not output)
With the ignition switch is in the ON position, the SRS warning
light does not come on.
SRS warning light circuit (Does not come on, when igni-
tion switch is turned to the ON position)
Although an SRS warning light operates normally, DTC or a
normal system code is not display.
TC terminal circuit
Although terminals TC and CG of DLC3 are not connected, DTC
or a normal system code is display.
TC terminal circuit
DIDGL–01
H24009
A19
A20
A21
17
24
18
23
19
22
20
21
4
8
3
7
2
6
1
5
12
13
11
14
10
15
9
16
28 27 26 25
30 29
4
8
3
7
2
6
1
5
4
8
3
7
2
6
1
5
10 9
12
13
11
14
15
16
10 9
12
13
11
14
15
16
17
18
19
20
24 23 22 21
17
18
19
20
24 23 22 21
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1133
1327
TERMINALS OF ECU
1.
AIRBAG SENSOR ASSEMBLY
Terminal No.
Terminal Symbol
Destination
A19–1 (*1)
SFL+
Side airbag assembly LH (Side squib LH)
A19–2 (*1)
SFL–
Side airbag assembly LH (Side squib LH)
A19–3 (*1)
ICL–
Curtain shield airbag assembly LH (Curtain shield airbag LH
squib)
A19–4 (*1)
ICL+
Curtain shield airbag assembly LH (Curtain shield airbag LH
squib)
A19–5
PL+
Front seat outer belt LH (P/T squib LH)
A19–6
PL–
Front seat outer belt LH (P/T squib LH)
A19–9
LSP+
Seat position airbag sensor assembly
A19–10
LBE+
Front seat inner belt RH (Seat belt buckle switch LH)
A19–17
LSP–
Seat position airbag sensor assembly
A19–18
LBE–
Front seat inner belt RH (Seat belt buckle switch LH)
A19–19 (*1)
VUPL
Side airbag sensor assembly LH
A19–20 (*1)
VUCL
Curtain shield airbag sensor assembly LH
A19–21 (*1)
ESL
Side airbag sensor assembly LH
A19–22 (*1)
ESCL
Curtain shield airbag sensor assembly LH
A20–1
P2+
Front passenger airbag assembly (P squib (Dual stage – 2nd
step))
A20–2
P2–
Front passenger airbag assembly (P squib (Dual stage – 2nd
step))
A20–3
P–
Front passenger airbag assembly (P squib)
A20–4
P+
Front passenger airbag assembly (P squib)
A20–5
D+
Steering wheel pad (D squib)
A20–6
D–
Steering wheel pad (D squib)
A20–7
D2–
Steering wheel pad (D squib (Dual stage – 2nd step))
A20–8
D2+
Steering wheel pad (D squib (Dual stage – 2nd step))
A20–13
PBEW
Integration control and panel (Seat belt warning light)
A20–14
LA
Combination meter (SRS warning light)
A20–15
TC
DLC3
DI–1134
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1328
A20–16
SIL
DLC3
A20–17
P–AB
Integration control and panel (Passenger airbag ON/OFF indi-
cator)
A20–18
GSW
Body ECU
A20–19 (*1)
RMSW
RSCA cutoff switch
A20–20 (*1)
RMIL
Combination meter (RSCA OFF indicator)
A20–21
IG2
IGN1 Fuse (Power source)
A20–22
GSW2
ECM
A20–23
PAON
Integration control and panel (Passenger airbag ON/OFF indi-
cator)
A20–25
E1
Ground
A20–26
E2
Ground
A20–27
–SR
Front airbag sensor RH
A20–28
–SL
Front airbag sensor LH
A20–29
+SR
Front airbag sensor RH
A20–30
+SL
Front airbag sensor LH
A21–3
PR–
Front seat outer belt RH (P/T squib RH)
A21–4
PR+
Front seat outer belt RH (P/T squib RH)
A21–5 (*1)
ICR+
Curtain shield airbag assembly RH (Curtain shield airbag RH
squib)
A21–6 (*1)
ICR–
Curtain shield airbag assembly RH (Curtain shield airbag RH
squib)
A21–7 (*1)
SFR–
Side airbag assembly RH (Side squib RH)
A21–8 (*1)
SFR+
Side airbag assembly RH (Side squib RH)
A21–16
FSR+
Occupant classification ECU
A21–19 (*1)
ESCR
Curtain shield airbag sensor assembly RH
A21–20 (*1)
ESR
Side airbag sensor assembly RH
A21–21 (*1)
VUCR
Curtain shield airbag sensor assembly RH
A21–22 (*1)
VUPR
Side airbag sensor assembly RH
A21–24
FSR–
Occupant classification ECU
*1: w/ Side and curtain shield airbag
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