DESCRIPTION
The clearance warning ECU receives the ultrasonic sensor signal to sound the rear warning buzzer.
WIRING DIAGRAM

INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - AIR CONDITIONER AMPLIFIER)

Standard resistance

2 INSPECT REAR BUZZER

HINT: The clearance warning buzzer is separately excited, and will not sound unless an alternating voltage is applied.
OK: Operating noise (clicking sounds) can be heard.
Result

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
3 INSPECT PRINTED WIRE INTEGRATION BOARD SUB-ASSEMBLY
OK: Malfunction disappears.
REPLACE PRINTED WIRE INTEGRATION BOARD SUB-ASSEMBLY
4 INSPECT INTEGRATION PANEL SUB-ASSEMBLY
OK: Malfunction disappears
REPLACE INTEGRATION PANEL SUB-ASSEMBLY
Clearance Warning ECU Power Source Circuit
Indicator CircuitFront Airbag Sensor LH Circuit Malfunction
DTC B1149/37 Front Airbag Sensor LH Circuit Malfunction
DESCRIPTION
The front airbag sensor LH circuit consists of the center airbag sensor
assembly and front airbag sensor
LH.
If the center airbag sensor assembly receives signals from the front airbag
sensor LH, it judges whether or
not ...
Diagnostic trouble code chart
1. DTCS FOR AIRBAG SYSTEM
If a malfunction code is displayed during the DTC check,
check the circuit listed for the code in the table below
(Proceed to the page listed for that circuit).
HINT:
When the SRS warning light remains on and the DTC
output is the normal system code, a volta ...
Receiver Error
DTC C2176/76 Receiver Error
DESCRIPTION
The signals are transmitted to the tire pressure warning antenna and receiver
on the body as radio waves
and then sent to the tire pressure warning ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
When replacing the tire pressure warning EC ...