Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to follow the correct removal and installation procedures of the occupant classification ECU.
PROCEDURE
1. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE NOT INVOLVED IN COLLISION)
(a) Perform a diagnostic system check (See page
).
2. INSPECT OCCUPANT CLASSIFICATION ECU (VEHICLE INVOLVED IN COLLISION)
(a) Perform a diagnostic system check (See page
).
(b) Even if an airbag was not deployed, check if there is any damage to the occupant classification ECU. If there are any defects as mentioned below, replace the occupant classification ECU with a new one:
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
2. REMOVE FRONT SEAT ASSEMBLY RH
HINT:
Use the same procedure for the RH side and the LH side.
for Manual Seat: (See page
)
for Power Seat: (See page
)
3. REMOVE OCCUPANT CLASSIFICATION ECU
|
(a) Disconnect the connector from the occupant classification ECU. Text in Illustration
|
|
(b) Using a screwdriver with the tip wrapped with protective tape, disengage the claw to remove the occupant classification ECU.
Installation
INSTALLATION
PROCEDURE
1. INSTALL OCCUPANT CLASSIFICATION ECU
|
(a) Install the occupant classification ECU with the claw. NOTICE:
|
|
(b) Connect the connector.
2. INSTALL FRONT SEAT ASSEMBLY RH
HINT:
Use the same procedure for the RH side and the LH side.
for Manual Seat: (See page
)
for Power Seat: (See page
)
3. PERFORM DIAGNOSTIC SYSTEM CHECK
(a) Perform a diagnostic system check (See page
).
4. INSPECT SRS WARNING LIGHT
(a) Inspect the SRS warning light (See page
).
InstallationDiagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) Check the DLC3 (See page ).
2. FUNCTION OF SRS WARNING LIGHT
(a) Primary check
(1) Turn the ignition switch off. Wait for at least 2 seconds, then turn the
ignition switch to ON. The SRS warning light comes on for app ...
Dtc Check / Clear
DTC CHECK / CLEAR
HINT:
Use the Techstream to read and clear the DTC of the occupant classification ECU,
otherwise the DTCs cannot be read and cleared.
1. DTC CHECK
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT SHIFT SOLENOID VALVE SL
(a) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*1
Shift Solenoid Valve SL
Standard Re ...