CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
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.
|
3. |
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 |
|
4. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to the 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 6 |
|
5. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check (See page ).
(b) Terminals of ECU (See page ).
(c) Data List / Active Test (See page ).
|
6. |
REPAIR OR REPLACE |
|
7. |
CONFIRMATION TEST |
NEXT |
END |
Lost Communication with ECM / PCM "A" (U0100,U0126,U0129)
DESCRIPTION
The power steering ECU assembly receives signals from the ECM, steering angle
sensor and master cylinder solenoid (skid control ECU) via the CAN communication
system.
DTC Code
DTC Detection Condition
Trouble A ...
Driver Side Seat Belt Warning Light does not Operate
DESCRIPTION
When the ignition switch is turned to ON, the center airbag sensor transmits
front seat inner belt LH state signals to the combination meter through the CAN.
If the driver side seat belt is not fastened, the combination meter blinks the driver ...