DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Center Airbag Sensor Communication Stop Mode |
Either condition is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
HINT:
Operating the ignition switch, any switches or any doors triggers related ECU and sensor communication with the CAN, which causes resistance variation.
PROCEDURE
1. |
DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL |
(a) Disconnect the cable from the negative (-) battery terminal before measuring the resistances of the main wire and branch wire.
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
|
2. |
CHECK FOR OPEN IN CAN BUS WIRE (CENTER AIRBAG SENSOR ASSEMBLY BRANCH WIRE) |
(a) Disconnect the F33 center airbag sensor assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F33-13 (CANH) - F33-22 (CANL) |
Ignition switch off |
54 to 69 Ω |
*a |
Front view of wire harness connector (to Center Airbag Sensor Assembly) |
NG | ![]() |
REPAIR OR REPLACE CENTER AIRBAG SENSOR ASSEMBLY BRANCH WIRE OR CONNECTOR (CANH, CANL) |
|
3. |
CHECK HARNESS AND CONNECTOR (CENTER AIRBAG SENSOR ASSEMBLY - BATTERY AND BODY GROUND) |
(a) Connect the cable to the negative (-) battery terminal. NOTICE: When disconnecting the cable, some systems need to be initialized after
the cable is reconnected (See page |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F33-25 (E1) - Body ground |
Always |
Below 1 Ω |
F33-26 (E2) - Body ground |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F33-21 (IG2) - Body ground |
Ignition switch ON |
11 to 14 V |
*a |
Front view of wire harness connector (to Center Airbag Sensor Assembly) |
OK | ![]() |
REPLACE CENTER AIRBAG SENSOR ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lumbar Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT LUMBAR SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Switch ...
Test Mode Procedure
TEST MODE PROCEDURE
NOTICE:
After replacing the master cylinder solenoid and/or yaw rate and acceleration
sensor, perform calibration.
VSC is prohibited during test mode.
HINT:
By switching the skid control ECU from normal mod ...