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 FRONT SEAT CUSHION HEATER LH
(a) Check the seat cushion heater.
(1) Apply battery voltage and check the seat cushion heater.
OK:
Measurement Condition
Condition
...
Speaker Output Short (B15C3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the speakers.
DTC No.
DTC Detection Condition
Trouble Area
B15C3
A short is detected in the speaker output circuit.
...
Horn Circuit
DESCRIPTION
When the theft deterrent system is switched from the armed state to the alarm
sounding state, the main body ECU (driver side junction block assembly) transmits
a signal to cause the horn to sound at intervals of 0.4 seconds.
WIRING DIAGRAM
...