Diagnosis and repair workflow
Work Flow
Overall sequence

Detailed flow
1.Get information for symptom
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
>> GO TO 2.
2.Confirm the symptom
Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition when the symptom is detected.
>> Go to 3.
3.Detect malfunctioning part by diagnostic procedure
Inspect according to Diagnostic Procedure of the system.
Is malfunctioning part detected? YES >> GO TO 4.
NO >> GO TO 2.
4.Repair or replace the malfunctioning part
>> GO TO 5.
5.Final check
Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Was the repair confirmed? Yes >> inspection end.
No >> go to 2.
Wiring diagram
Dtc/circuit diagnosisP1572 ASCD Brake switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1572 is displayed with DTC P0605, first perform the trouble
diagnosis for DTC P0605. Refer
to EC-348, "DTC Logic".
This self-diagnosis has the one trip detection logic. When
malfunction A is detected, DTC is not
stored in ECM me ...
Basic inspection
Work Procedure
1.INSPECTION START
Check service records for any recent repairs that may indicate a related
malfunction, or a current need for
scheduled maintenance.
Open engine hood and check the following:
Harness connectors for improper connections
Wiring harness for improper c ...
Engine compartment
CAUTION
Never use a fuse of a higher or lower
amperage rating than specified on the
fuse box cover. This could damage the
electrical system or cause a fire.
If any electrical equipment does not come on,
check for an open fuse.
Be sure the ignition switch and the headlight
switch are ...