Work Flow
OVERALL SEQUENCE

*1 SRC "Diagnosis Description" *2 SRC "SRS Operation Check" *3 SRC "Trouble Diagnosis with CONSULT" *4 SRC "Trouble Diagnosis without CONSULT"
DETAILED WORK FLOW
1.CUSTOMER INFORMATION
Get detailed information from the customer about the symptom.
>> GO TO 2
2.PRELIMINARY CHECK
Perform preliminary check. Refer to SRC "Diagnosis Description".
>> GO TO 3
3.SRS OPERATION CHECK (USER MODE)
Perform SRS operation check in User Mode. Refer to SRC "SRS Operation Check".
>> GO TO 4
4.SELF-DIAGNOSIS (DIAGNOSIS MODE)
Perform SELF-DIAGNOSIS. Refer to SRC "Trouble Diagnosis with CONSULT"or SRC"Trouble Diagnosis without CONSULT".
>> GO TO 5
5.TECHNICAL SERVICE BULLETINS
Check for technical service bulletins.
>> GO TO 6
6.REPLACE PART
Replace the malfunctioning part.
>> GO TO 7
7.FINAL CHECK
Check SRS using Diagnosis Mode and User Mode.
Does Diagnosis Mode and User Mode indicate SRS normal?
YES >> Inspection End.
NO >> GO TO 4
Diagnosis sensor unitDTC Index DIAGNOSTIC CODE CHART NOTE: Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated using air bag warning lamp or CONSU ...
Precautions
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER",
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and ...
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
...