DESCRIPTION
The occupant classification ECU detects the state of the front seat inner belt assembly RH and load sensor when the front passenger side seat is occupied with the ignition switch ON. If the front passenger side seat belt is not fastened, the front passenger side seat belt warning light on the combination meter assembly blinks. If the seat belt is fastened, the warning light goes off.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK DTC OUTPUT (OCCUPANT CLASSIFICATION SYSTEM) |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result
Result |
Proceed to |
---|---|
DTCs are not output |
A |
DTCs are output |
B |
B |
GO TO OCCUPANT CLASSIFICATION SYSTEM |
|
2. |
CHECK DTC OUTPUT (AIRBAG SYSTEM) |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result
Result |
Proceed to |
---|---|
DTCs are not output |
A |
DTCs are output |
B |
B |
GO TO AIRBAG SYSTEM |
|
3. |
READ VALUE USING TECHSTREAM (PASSENGER BUCKLE SW) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Occupant Detection / Data List.
(e) Read the Data List according to the display on the Techstream.
Occupant Detection
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Passenger Buckle SW |
Front passenger side seat belt buckle switch/Unset, Set or NG |
Unset: Front passenger side seat belt unfastened Set: Front passenger side seat belt fastened NG: Data not determined |
- |
Result |
Proceed to |
---|---|
Unset or Set is displayed on the Techstream according to the front passenger seat belt condition |
A |
Unset or Set is not displayed correctly on the Techstream according to the front passenger seat belt condition |
B |
NG is displayed on the Techstream |
C |
B |
REPLACE FRONT SEAT INNER BELT ASSEMBLY RH |
C |
REPLACE OCCUPANT CLASSIFICATION ECU |
|
4. |
READ VALUE USING TECHSTREAM (RIGHT SIDE BUCKLE SW) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / SRS Airbag / Data List.
(e) Read the Data List according to the display on the Techstream.
SRS Airbag
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Right side Buckle SW |
Front passenger side seat belt buckle switch/Unset, Set or NG |
Unset: Front passenger side seat belt unfastened Set: Front passenger side seat belt fastened NG: Data not determined |
- |
Result |
Proceed to |
---|---|
Unset or Set is displayed on the Techstream according to the front passenger seat belt condition |
A |
|
B |
A |
USE SIMULATION METHOD TO CHECK |
B |
REPLACE AIRBAG SENSOR ASSEMBLY |
Clutch Switch Circuit
DESCRIPTION
Clutch switch circuit inspection is necessary for manual transmission vehicles.
When the clutch pedal is released, the ECM receives the positive (+) battery
voltage through the ECU-IG NO. 2 fuse and ignition switch. While the clutch pedal
is depressed, the clutch switch assembly se ...
Terminals Of Ecu
TERMINALS OF ECU
1. BLIND SPOT MONITOR SENSOR LH (MASTER)
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
B12-3 (BIND) - B12-10 (BLGD)
Y - W-B
Blind spot monitor ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL RADIATOR GRILLE
(a) Engage the 10 guides to install the radiator grille.
(b) Install the 2 clips.
(c) Install the 2 screws.
(d) Remove the protective tape.
(e) w/ Toyota Safety Sense P
(1) Engage the clamp.
(2) Connect the connector.
2. ADJUST MILLIMETER W ...