Removal and installation
Basic inspectionU1010 control unit (CAN)
DTC Logic
DTC DETECTION LOGIC
U1200 AV CONTROL UNIT
DTC Logic
U1201 AV CONTROL UNIT
DTC Logic
U1202 AV CONTROL UNIT
DTC Logic
...
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 ...
P1777 step motor
Description
The step motor changes the step by turning 4 coils ON/OFF
according to the signal from TCM. As a result, the
flow of line pressure to primary pulley is changed and pulley ratio is
controlled.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
CAUTION:
Always drive ve ...