DESCRIPTION
When the ignition switch is ON, the center airbag sensor assembly transmits front seat inner belt status signals to the combination meter assembly through CAN. If the driver seat belt is not fastened, the combination meter assembly blinks the driver side seat belt warning light. If the seat belt is fastened, the warning light goes off.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
The seat belt warning system uses the CAN communication system. First, confirm that there is no malfunction in the CAN communication system. Refer to the How to Proceed with Troubleshooting procedure (See page ).
PROCEDURE
1. |
CHECK DTC OUTPUT (CAN COMMUNICATION SYSTEM) |
(a) Clear the DTC (See page ).
(b) Recheck for DTCs.
Result |
Proceed to |
---|---|
DTC is not output |
A |
DTC is output |
B |
B |
GO TO CAN COMMUNICATION SYSTEM |
|
2. |
CHECK DTC OUTPUT (AIRBAG SYSTEM) |
(a) Clear the DTC (See page ).
(b) Recheck for DTCs.
Result |
Proceed to |
---|---|
DTC is not output |
A |
DTC is output |
B |
B |
GO TO AIRBAG SYSTEM |
|
3. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(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 / Combination Meter / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Combination Meter (Combination Meter Assembly)
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Driver Side Seat Belt |
Driver side seat belt warning light |
OFF or ON |
Confirm that the vehicle stopped with the engine idling |
OK:
The driver side seat belt warning light on the combination meter assembly operates normally.
OK |
USE SIMULATION METHOD TO CHECK |
NG |
REPLACE COMBINATION METER ASSEMBLY |
Vehicle Speed Sensor Malfunction (P0500)
DESCRIPTION
The vehicle speed sensors detect the wheel speed and send the appropriate signals
to the skid control ECU. The skid control ECU converts these wheel speed signals
into a 4-pulse signal and outputs it to the ECM via the combination meter assemb ...
Test Mode Procedure
TEST MODE PROCEDURE
1. ENTER TEST MODE (SIGNAL CHECK MODE)
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Check that the tire pressure warning light comes on for 3 seconds and then
goes ...
Ignition Coil "A" Primary / Secondary Circuit (P0351-P0354)
DESCRIPTION
HINT:
These DTCs indicate malfunctions relating to the primary circuit.
If DTC P0351 is output, check the No. 1 ignition coil circuit.
If DTC P0352 is output, check the No. 2 ignition coil circuit.
If DTC P0353 is output, c ...