DESCRIPTION
When the ignition switch is turned to ON, the center airbag sensor transmits front seat inner belt LH state signals to the combination meter through the CAN. If the driver side seat belt is not fastened, the combination meter 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 FOR DTC (AIRBAG SYSTEM) |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
Result |
Proceed to |
---|---|
DTC is not output |
A |
Airbag system DTC is output |
B |
B |
GO TO AIRBAG SYSTEM |
|
2. |
PERFORM ACTIVE TEST USING TECHSTREAM (DRIVER SIDE SEAT BELT WARNING LIGHT) |
(a) Operate the Techstream according to the display and select Active Test (See page ).
Item |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Driver Side Seat Belt |
Driver side seat belt warning light |
ON/OFF |
Confirm that the vehicle is stopped and the engine is idling. |
OK:
Driver side seat belt warning light condition can be switched by Active Test.
NG |
REPLACE COMBINATION METER ASSEMBLY |
|
3. |
REPLACE CENTER AIRBAG SENSOR ASSEMBLY |
(a) Temporarily replace the center airbag sensor with a new one (See page ).
|
4. |
CHECK DRIVER SIDE SEAT BELT WARNING LIGHT |
(a) Check the driver side seat belt warning light function (See page ).
OK:
Driver side seat belt warning light operates normally.
OK |
END (CENTER AIRBAG SENSOR IS DEFECTIVE) |
NG |
REPLACE COMBINATION METER ASSEMBLY |
Telephone Microphone Error (B1572)
DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects a malfunction
in the telephone microphone assembly circuit.
DTC Code
DTC Detection Condition
Trouble Area
B1572
Curren ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK NO. 1 AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the F42 No. 1 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. ...