Diagnosis system (HVAC)
U1000 CAN comm circuitP0420, P0430 three way catalyst function
DTC Logic
DTC DETECTION LOGIC
The ECM monitors the switching frequency ratio of air fuel ratio (A/F)
sensor 1 and heated oxygen sensor 2.
A three way catalyst (manifold) with high oxygen storage capacity
will indicate a low switching frequency of heated oxygen sensor 2.
As oxygen sto ...
Audio
Some of the information and operations available
on the control panel can also be viewed and
operated on the vehicle information display. The
vehicle information display operations can be
conducted with the switches on the steering
wheel.
Use or
and select
on the vehicle
information disp ...
A-bag branch line circuit
Diagnosis Procedure
WARNING:
Always observe the following items for preventing accidental
activation.
Before servicing, turn ignition switch OFF, disconnect battery negative
terminal, and wait 3 minutes or more. (To discharge backup capacitor.)
Never use unspecified tester or other measu ...