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
).
InstallationInspection
INSPECTION
PROCEDURE
1. INSPECT OUTER MIRROR SWITCH ASSEMBLY (w/o Memory)
(a) The L position of the left/right adjustment switch: Measure the resistance
according to the value(s) in the table below.
Standard Resistance (for Left Side):
Tes ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2A, 2C and 2F main body ECU (driver side junction block assembly)
connectors.
(b) Measure the voltage and resistance according to the value(s) in the table ...
Open or Short Circuit in ABS Motor Relay Circuit (C0273/13)
DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. While the ABS is activated,
the ECU turns the motor relay on and operates the ABS pump motor.
If the voltage supplied to the motor relay (+BM) is below the DTCs detection
threshold due ...