CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
HINT:
Past problems that seem unrelated may also help in some cases.
What |
Vehicle model, system name |
When |
Date, time, occurrence frequency |
Where |
Road conditions |
Under what conditions? |
Running conditions, driving conditions, weather conditions |
How did it happen? |
Problem symptoms |
|
3. |
INSPECT BATTERY VOLTAGE |
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
4. |
CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the LIN communication system is functioning normally (See page ).
Result |
Proceed to |
---|---|
LIN DTC is not output |
A |
LIN DTC is output |
B |
B |
GO TO LIN COMMUNICATION SYSTEM |
|
5. |
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally (See page ).
Result |
Proceed to |
---|---|
CAN DTC is not output |
A |
CAN DTC is output |
B |
B |
GO TO CAN COMMUNICATION SYSTEM |
|
6. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table (See page ).
Result |
Proceed to |
---|---|
Fault is not listed in Problem Symptoms Table |
A |
Fault is listed in Problem Symptoms Table |
B |
B |
GO TO STEP 8 |
|
7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check (See page )
(b) Data List / Active Test (See page )
(c) Terminals of ECU (See page )
|
8. |
REPAIR OR REPLACE |
|
9. |
CONFIRMATION TEST |
NEXT |
END |
Lost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION
The power steering ECU receives signals from the ECM and the brake actuator assembly
(skid control ECU) via the CAN communication system.
DTC No.
DTC Detection Condition
Trouble Area
U0100
...
Fuel Tank Cap
Inspection
INSPECTION
PROCEDURE
1. INSPECT FUEL TANK CAP ASSEMBLY
(a) Visually check that the fuel tank cap assembly and gasket are not
deformed or damaged.
Text in Illustration
*a
Gasket
...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
If a trouble code is displayed during the DTC check, check the parts listed for
that code in the table below and proceed to the appropriate page.
HINT:
The steering lock ECU does not store DTCs regarding the past problems.
S ...