CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
HINT:
What |
Vehicle model, system name |
When |
Date, time, occurrence frequency |
Where |
Road conditions |
Under what conditions? |
Driving conditions, weather conditions |
How did it happen? |
Problem symptoms |
|
3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the 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. |
ENGINE SWITCH ON (IG) |
|
5. |
INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the CAN communication system is functioning normally.
Result |
Proceed to |
---|---|
ECU is connected, communication is normal |
A |
ECU is connected, communication is malfunctioning |
B |
B | ![]() |
GO TO CAN COMMUNICATION SYSTEM |
|
6. |
INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* |
(a) Use the Techstream to check if the LIN communication system is functioning normally.
Result |
Proceed to |
---|---|
No DTC is output |
A |
DTC is output |
B |
B | ![]() |
GO TO LIN COMMUNICATION SYSTEM |
|
7. |
CHECK FOR DTCS (SMART KEY SYSTEM)* |
(a) Check for DTCs and note any codes that are output.
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs. Based on the DTCs output above, try to duplicate the engine immobiliser system DTC or steering lock system DTC by simulating the symptoms indicated by the DTCs.
Result |
Proceed to |
---|---|
No DTCs are output |
A |
Steering lock system DTC is output (DTC B2781, B2782 or B2788) |
B |
Engine immobiliser system DTC is output (except DTC B2781, B2782 and B2788) |
C |
B | ![]() |
GO TO STEERING LOCK SYSTEM |
C | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
8. |
CHECK FOR DTCS (SFI SYSTEM)* |
(a) Clear the DTCs (See page ).
(b) Recheck for DTCs.
HINT:
The DTCs for the engine immobiliser system are specified above. If other codes are output, check the DTC chart for the SFI system.
Result |
Proceed to |
---|---|
No DTCs are output |
A |
Engine immobiliser system DTC is output (DTC B2799, B279A or B279C) |
B |
SFI system DTC is output (except DTC B2799, B279A and B279C) (for 2GR-FE) |
C |
SFI system DTC is output (except DTC B2799, B279A and B279C) (for 1AR-FE) |
D |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
C | ![]() |
GO TO SFI SYSTEM |
D | ![]() |
GO TO SFI SYSTEM |
|
9. |
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 11 |
|
10. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test (See page )
(b) Terminals of ECU (See page )
|
11. |
REPAIR OR REPLACE |
|
12. |
CONFIRMATION TEST |
NEXT | ![]() |
END |
Freeze Frame Data
FREEZE FRAME DATA
1. DESCRIPTION
The ECM records vehicle and driving condition information as freeze
frame data the moment a DTC is stored. When troubleshooting, freeze frame
data can be helpful in determining whether the vehicle was moving or ...
Installing child restraints
Follow the child restraint system manufacturer’s instructions. Firmly secure
child restraints to the rear seats using the LATCH anchors or a seat belt. Attach
the top tether strap when installing a child restraint.
The lap/shoulder belt can be used if y ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
PRECAUTIONS WHEN TROUBLESHOOTING
NOTICE:
DTCs for the CAN communication system are as follows: U0073, U0100,
U0101, U0123, U0124, U0126, U0129, U0131, U0142, U0155, U0164, U0182, U0199,
U0200, U0208, U0230, U1002 and ...