Diagnosis and repair workflowU1300 AV comm circuit
Description
U1300 is indicated when a communication signal malfunction occurs. U1300 is
indicated along with DTCs that identify components connected to the AV
control unit through communication lines. Determine the possible malfunction
cause from the table below.
SELF-DIAGNOSIS RESULTS DISPL ...
P0420, 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 ...
Trunk opener request switch
Removal and Installation
REMOVAL
Remove the license lamp finisher (1). Refer to EXL-166, "Removal
and Installation".
Remove the inner bracket screws (A) and inner bracket (2) from
license lamp finisher (1).
Remove the trunk lid request switch screw (B) and trunk lid
req ...