Toyota Tundra (2015 year). Manual — part 2992
OK
(a) Disconnect the connectors from the center airbag sensor and front airbag sensor LH.
(b) Check that the connectors (on the center airbag sensor side and front airbag sensor LH side) are
not damaged.
OK:
The connectors are not deformed or damaged.
NG
REPLACE HARNESS AND CONNECTOR
9.
CHECK FRONT AIRBAG SENSOR LH CIRCUIT
(a) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard voltage:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
A2-1 (-SL) - Body ground
Ignition switch ON
Below 1 V
A2-2 (+SL) - Body ground
(d) Turn the ignition switch off.
(e) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
OK
(g) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
A2-1 (-SL) - A2-2 (+SL)
Always
Below 1 Ω
(h) Disconnect the service wire from connector B.
(i) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
A2-1 (-SL) - A2-2 (+SL)
Always
1 MΩ or higher
A2-1 (-SL) - Body ground
A2-2 (+SL) - Body ground
NG
GO TO STEP 11
10.
CHECK FRONT AIRBAG SENSOR LH
(a) Connect the connectors to the center airbag sensor.
(b) Interchange the front airbag sensor LH with RH and connect the connectors to them.
(c) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(d) Turn the ignition switch to ON, and wait for at least 60 seconds.
(e) Clear the DTCs stored in the memory
.
(f) Turn the ignition switch off.
(g) Turn the ignition switch to ON, and wait for at least 60 seconds.
(h) Check for DTCs
.
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: B1610/...
Result
RESULT
PROCEED TO
DTC B1610 is output
A
DTC B1615 is output
B
DTC B1610 and B1615 are not output
C
HINT:
Codes other than DTC B1610 and B1615 may be output at this time, but they are not related to this check.
A
REPLACE FRONT AIRBAG SENSOR LH
B
GO TO STEP 12
C
USE SIMULATION METHOD TO CHECK
11.
CHECK INSTRUMENT PANEL WIRE
(a) Disconnect the instrument panel wire connector from the engine room main wire.
(b) Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
(c) Turn the ignition switch to ON.
(d) Measure the voltage according to the value(s) in the table below.
Standard voltage:
TESTER CONNECTION
SWITCH CONDITION
SPECIFIED CONDITION
AJ8-1 (-SL) - Body ground
Ignition switch ON
Below 1 V
AJ8-2 (+SL) - Body ground
(e) Turn the ignition switch off.
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: B1610/...
(f) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
AJ8-1 (-SL) - AJ8-2 (+SL)
Always
Below 1 Ω
(i) Disconnect the service wire from connector B.
(j) Measure the resistance according to the value(s) in the table below.
Standard resistance:
TESTER CONNECTION
CONDITION
SPECIFIED CONDITION
AJ8-1 (-SL) - AJ8-2 (+SL)
Always
1 MΩ or higher
AJ8-1 (-SL) - Body ground
AJ8-2 (+SL) - Body ground
NG
REPLACE INSTRUMENT PANEL WIRE
OK
REPLACE ENGINE ROOM MAIN WIRE
12.
REPLACE CENTER AIRBAG SENSOR
(a) Turn the ignition switch off.
(b) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
(c) Replace the center airbag sensor.
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: B1610/...
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