Toyota Tundra (2015 year). Manual — part 2985
Last Modified: 9-16-2014
6.6 T
Doc ID: RM0000030NK00CX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: PROBLEM SYMPTOMS TABLE; 2015 MY Tundra
[08/2014 - ]
PROBLEM SYMPTOMS TABLE
HINT:
Airbag system
SYMPTOM
SUSPECTED AREA
SEE
PAGE
The SRS warning light goes off after the primary check, but then comes
on.
SRS Warning Light Remains
ON
With the ignition switch ON, the SRS warning light sometimes comes on
after approximately 6 seconds.
SRS Warning Light Remains
ON
The SRS warning light always comes on even when DTC is not output.
SRS Warning Light Remains
ON
With the ignition switch ON, the SRS warning light does not come on.
SRS Warning Light does not
Come ON
Although an SRS warning light operates normally, DTC or a normal
system code is not displayed.
Diagnosis Circuit
Diagnosis Circuit
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: PROB...
Last Modified: 9-16-2014
6.6 U
Doc ID: RM000000XF90FUX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: TERMINALS OF ECU; 2015 MY Tundra [08/2014 -
]
TERMINALS OF ECU
1. CENTER AIRBAG SENSOR
TERMINAL NO.
SYMBOLS
DESTINATION
J46-1
P2+
Front passenger airbag (Front passenger side squib 2nd step)
J46-2
P2-
Front passenger airbag (Front passenger side squib 2nd step)
J46-3
P-
Front passenger airbag (Front passenger side squib)
J46-4
P+
Front passenger airbag (Front passenger side squib)
J46-5
D+
Steering pad (Driver side squib)
J46-6
D-
Steering pad (Driver side squib)
J46-7
D2-
Steering pad (Driver side squib 2nd step)
J46-8
D2+
Steering pad (Driver side squib 2nd step)
J46-9
DK+
Driver side knee airbag (Driver side knee squib)
J46-10
DK-
Driver side knee airbag (Driver side knee squib)
J46-11
VHP+
Front passenger airbag (Variable vent hole squib)
J46-12
VHP-
Front passenger airbag (Variable vent hole squib)
J46-13
CANH
CAN communication line
J46-16
SIL
DLC3
J46-17
P-AB
Front passenger seat belt warning light (Passenger airbag ON/OFF indicator)
J46-19
PK+
Front passenger side knee airbag (Front passenger side knee squib)
J46-20
PK-
Front passenger side knee airbag (Front passenger side knee squib)
J46-21
IG2
IGN fuse
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: TERM...
TERMINAL NO.
SYMBOLS
DESTINATION
J46-22
CANL
CAN communication line
J46-23
PAON
Passenger airbag ON/OFF indicator
J46-25
E1
Ground
J46-26
E2
Ground
J46-27
-SR
Front airbag sensor RH
J46-28
-SL
Front airbag sensor LH
J46-29
+SR
Front airbag sensor RH
J46-30
+SL
Front airbag sensor LH
P1-1
PD-
Front seat outer belt LH (Front pretensioner squib LH)
P1-2
PD+
Front seat outer belt LH (Front pretensioner squib LH)
P1-6
ICD-
Curtain shield airbag LH (Curtain shield squib LH)
P1-7
ICD+
Curtain shield airbag LH (Curtain shield squib LH)
P1-8
BBD+
Side airbag sensor LH
P1-9
SFD+
Front seat side airbag LH (Front side squib LH)
P1-10
SFD-
Front seat side airbag LH (Front side squib LH)
P1-11
DBE+
Front seat inner belt LH (Seat position airbag sensor)
P1-12
DBE-
Front seat inner belt LH (Seat position airbag sensor)
P1-13
DSP-
Seat position airbag sensor
P1-14
DSP+
Seat position airbag sensor
P1-15
BBD-
Side airbag sensor LH
Q1-4
PP+
Front seat outer belt RH (Front pretensioner squib RH)
Q1-5
PP-
Front seat outer belt RH (Front pretensioner squib RH)
Q1-6
SFP-
Front seat side airbag RH (Front side squib RH)
Q1-7
SFP+
Front seat side airbag RH (Front side squib RH)
Q1-8
BBP+
Side airbag sensor RH
Q1-9
ICP+
Curtain shield airbag RH (Curtain shield squib RH)
Q1-10
ICP-
Curtain shield airbag RH (Curtain shield squib RH)
Q1-11
BBP-
Side airbag sensor RH
Q1-12
FSP+
Occupant classification ECU
Q1-13
FSP-
Occupant classification ECU
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: TERM...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000000XFD0M3X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: DIAGNOSIS SYSTEM; 2015 MY Tundra [08/2014 -
]
DIAGNOSIS SYSTEM
1. SYMPTOM SIMULATION
HINT:
The most difficult case in troubleshooting is when no problem
HINT:
Perform the simulation method only during the primary check
period (for approximately 6 seconds) after the ignition switch is
turned ON.
malfunction occurs.
NOTICE:
Shaking the relays too strongly may result in open relays.
(2) Slightly shake the connector vertically and horizontally.
(3) Slightly shake the wire harness vertically and horizontally.
HINT:
2. FUNCTION OF SRS WARNING LIGHT
(a) Primary check.
(1) Turn the ignition switch off. Wait for at least 2 seconds, and then turn the ignition switch ON. The SRS
HINT:
If trouble is detected during the primary check, the SRS warning light remains on even after the primary
check period (approximately 6 seconds) has elapsed.
(b) Constant check.
(1) After the primary check, the center airbag sensor constantly monitors the airbag system for trouble.
HINT:
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: DIAG...
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