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. REPRODUCE THE MALFUNCTION INFORMATION
Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.
>> GO TO 3
3. IDENTIFY THE MALFUNCTIONING SYSTEM WITH "SYMPTOM DIAGNOSIS"
Use "Symptom diagnosis" from the symptom inspection result in step 2 and then identify where to start performing the diagnosis based on possible causes and symptoms.
>> GO TO 4
4. PERFORM THE COMPONENT DIAGNOSIS OF THE APPLICABLE SYSTEM
Perform the diagnosis with "Component diagnosis" of the applicable system.
>> GO TO 5
5. REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 6
6. FINAL CHECK
Check that malfunctions are not reproduced when obtaining the malfunction information from the customer, referring to the symptom inspection result in step 2.
Are the malfunctions corrected?
YES >> Inspection End.
NO >> GO TO 3
DTC/CIRCUIT DIAGNOSIS
SystemSystem Diagram System Description BASIC OPERATION Power window system is activated by power window switch when ignition switch turns ON. Power window main switch opens/closes all door ...
P0973 Shift solenoid A
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0973
Shift Solenoid "A" Control Circuit
Low
The following diagnosis conditions
are met, and the TCM select
switch ON-OFF solenoid
valve monitor value is ON c ...
U0100 Lost communication (ECM A)
Description
CAN (Controller Area Network) is a serial communication line for real-time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, an ...