P0420 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 storage c ...
Auto operation does not operate but manual operate normally (driver side)
Diagnosis Procedure
1.PERFORM INITIALIZATION PROCEDURE
Initialization procedure is executed and operation is confirmed.
Refer to PWC-29, "Work Procedure".
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK ENCODER CIRCUIT
Check encoder cir ...
U1010 Control unit (CAN)
Description
Initial diagnosis of ABS actuator and electric unit (control
unit)
DTC Logic
DTC DETECTION LOGIC
DTC
Items
(CONSULT screen terms)
DTC detection condition
Possible cause
U1010
CONTROL UNIT (CAN)
When detecting error during the initial diagnosis
...