Work Flow
OVERALL SEQUENCE

DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.
>> GO TO 2.
2.CHECK SYMPTOM
>> GO TO 3.
3.CHECK CONSULT SELF-DIAGNOSIS RESULTS
Connect CONSULT and perform self-diagnosis. Refer to MWI "CONSULT Function" (Type A) or MWI "CONSULT Function" (Type B).
Are self-diagnosis results normal?
YES >> GO TO 4.
NO >> GO TO 5.
4.NARROW DOWN MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS
Perform symptom diagnosis and narrow down the malfunctioning parts.
>> GO TO 5.
5.REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
NOTE: If DTC is displayed, erase DTC after repairing or replacing malfunctioning parts.
>> GO TO 6.
6.FINAL CHECK
Check that the warning buzzer in the combination meter operates normally.
Does it operate normally?
YES >> Inspection End.
NO >> GO TO 1.
DTC/CIRCUIT DIAGNOSIS
Idle air volume learning
Description
Idle Air Volume Learning is a function of ECM to learn the idle air volume
that keeps each engine idle speed
within the specific range. It must be performed under any of the following
conditions:
Each time electric throttle control actuator or ECM is replaced.
Idle speed or ...
U0100 Lost communication (ECM A)
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
U0100
Lost Communication With
ECM/PCM "A"
When the ignition switch is ON,
TCM is unable to receive the
CAN communications signal
from ECM continuously for 2
...